INFO: task kworker/1:4:3048 blocked for more than 436 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:3048  tgid:3048  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ec2a1d84 r9:00000002 r8:60000113 r7:82917120 r6:ec2a1d8c r5:839a9800
 r4:839a9800
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:839a9800 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec2a1e08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b68600
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:839a9800 r7:00000000 r6:83018600 r5:00001000 r4:7f089000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dff29000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8559cb8c r4:854e8300
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8559cb8c r4:854e8300
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:839a9800 r8:854e832c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:854e8300
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:854e8300 r8:80278fe0 r7:df921e60 r6:854e8380 r5:839a9800
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xec2a1fb0 to 0xec2a1ff8)
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 r5:802800d4
 r4:854ec440
INFO: task kworker/1:4:3048 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d6f4a000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:4:3783 blocked for more than 446 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4     state:D stack:0     pid:3783  tgid:3783  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfde9d84 r9:00000002 r8:600b0013 r7:82917120 r6:dfde9d8c r5:839c2400
 r4:839c2400
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:839c2400 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfde9e08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8551d000
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:839c2400 r7:00000000 r6:83018400 r5:00001000 r4:7f2f8000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e46d1000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e3f38c r4:85c0c800
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e3f38c r4:85c0c800
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:839c2400 r8:85c0c82c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85c0c800
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85c0c800 r8:80278fe0 r7:df841e60 r6:85b4ec00 r5:839c2400
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfde9fb0 to 0xdfde9ff8)
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 r5:802800d4
 r4:85c0dd80
INFO: task kworker/0:4:3783 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d728e000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:5:3866 blocked for more than 424 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5     state:D stack:0     pid:3866  tgid:3866  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dff0dd84 r9:00000002 r8:600f0013 r7:82917120 r6:dff0dd8c r5:84251800
 r4:84251800
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84251800 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff0de08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34f00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84251800 r7:00000000 r6:83018400 r5:00001000 r4:7f077000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfc57000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e70f8c r4:85d1f000
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e70f8c r4:85d1f000
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84251800 r8:85d1f02c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85d1f000
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85d1f000 r8:80278fe0 r7:df841e60 r6:85ba2380 r5:84251800
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdff0dfb0 to 0xdff0dff8)
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 r5:802800d4
 r4:85c88940
INFO: task kworker/0:5:3866 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d728e000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:6:4623 blocked for more than 446 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6     state:D stack:0     pid:4623  tgid:4623  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dff3dd84 r9:00000002 r8:60000113 r7:82917120 r6:dff3dd8c r5:85703c00
 r4:85703c00
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85703c00 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff3de08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34280
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85703c00 r7:00000000 r6:83018400 r5:00001000 r4:7f029000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df957000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7138c r4:87ece300
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7138c r4:87ece300
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85703c00 r8:87ece32c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:87ece300
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:87ece300 r8:80278fe0 r7:df841e60 r6:85fb6400 r5:85703c00
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdff3dfb0 to 0xdff3dff8)
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 r5:802800d4
 r4:85fbacc0
INFO: task kworker/0:6:4623 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d728e000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:8:4625 blocked for more than 424 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:8     state:D stack:0     pid:4625  tgid:4625  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:e0245d84 r9:00000002 r8:600f0013 r7:82917120 r6:e0245d8c r5:85a56000
 r4:85a56000
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85a56000 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0245e08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34b00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85a56000 r7:00000000 r6:83018400 r5:00001000 r4:7f071000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfc55000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e70b8c r4:87ece280
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e70b8c r4:87ece280
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85a56000 r8:87ece2ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:87ece280
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:87ece280 r8:80278fe0 r7:dff41e60 r6:85fb6580 r5:85a56000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0245fb0 to 0xe0245ff8)
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 r5:802800d4
 r4:85fbacc0
INFO: task kworker/0:8:4625 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d728e000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:9:4633 blocked for more than 446 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9     state:D stack:0     pid:4633  tgid:4633  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:e027dd84 r9:00000002 r8:60070013 r7:82917120 r6:e027dd8c r5:839b6000
 r4:839b6000
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:839b6000 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e027de08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34a00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:839b6000 r7:00000000 r6:83018400 r5:00001000 r4:7f083000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa11000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85ed5f8c r4:87ece400
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85ed5f8c r4:87ece400
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:839b6000 r8:87ece42c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:87ece400
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:87ece400 r8:80278fe0 r7:dff41e60 r6:85fb6600 r5:839b6000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe027dfb0 to 0xe027dff8)
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 r5:802800d4
 r4:85fbd240
INFO: task kworker/0:9:4633 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d728e000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:1:6528 blocked for more than 427 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:0     pid:6528  tgid:6528  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb05d84 r9:00000002 r8:60000113 r7:82917120 r6:dfb05d8c r5:85925400
 r4:85925400
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85925400 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb05e08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:87ef7ec0
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85925400 r7:00000000 r6:83018400 r5:00001000 r4:7f029000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e032d000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:871dcf8c r4:85e52100
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:871dcf8c r4:85e52100
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85925400 r8:85e5212c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85e52100
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e52100 r8:80278fe0 r7:dff41e60 r6:85e30700 r5:85925400
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb05fb0 to 0xdfb05ff8)
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 r5:802800d4
 r4:87ea3f80
INFO: task kworker/0:1:6528 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d797d000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:10:8027 blocked for more than 452 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:8027  tgid:8027  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb95d84 r9:00000002 r8:60000013 r7:82917120 r6:dfb95d8c r5:85a23000
 r4:85a23000
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85a23000 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb95e08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ba5640
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85a23000 r7:00000000 r6:83018400 r5:00001000 r4:7f085000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa1b000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85ed778c r4:8493ff00
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85ed778c r4:8493ff00
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85a23000 r8:8493ff2c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:8493ff00
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8493ff00 r8:80278fe0 r7:e027de60 r6:85f98200 r5:85a23000
 r4:00000001
[<802800d4>] (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 r5:802800d4
 r4:87ea3900
INFO: task kworker/0:10:8027 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d797d000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
INFO: task kworker/0:16:9987 blocked for more than 455 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:16    state:D stack:0     pid:9987  tgid:9987  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfca9d84 r9:00000002 r8:60090013 r7:82917120 r6:dfca9d8c r5:855dc800
 r4:855dc800
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:855dc800 r4:8291711c
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3ad18>] (schedule_preempt_disabled) from [<81a3d8e0>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a3d590>] (__mutex_lock.constprop.0) from [<81a3e088>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfca9e08
 r4:00000000
[<81a3e074>] (__mutex_lock_slowpath) from [<81a3e0c8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a3e08c>] (mutex_lock) from [<804e97d8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d1d100
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:855dc800 r7:00000000 r6:83018400 r5:00001000 r4:7f06d000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e0621000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85edbb8c r4:84964000
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85edbb8c r4:84964000
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:855dc800 r8:8496402c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84964000
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84964000 r8:80278fe0 r7:dfc01e60 r6:84964f00 r5:855dc800
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfca9fb0 to 0xdfca9ff8)
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 r5:802800d4
 r4:85b63440
INFO: task kworker/0:16:9987 is blocked on a mutex likely owned by task kworker/0:0:9.
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a399b4>] (__schedule) from [<81a3ad7c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8320e000 r8:80200c04 r7:df83dd54 r6:ffffffff r5:8320e000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdf83dd20 to 0xdf83dd68)
dd20: d81fb000 e874f000 00000001 80239bf8 7f083000 00000001 82aca1c4 82ac95a0
dd40: 7f083000 e874f000 8280c9b4 df83dd9c df83dda0 df83dd70 80230af0 80239c10
dd60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e959c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82aca1e4
[<804e9318>] (__purge_vmap_area_lazy) from [<804e9954>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:df83ddc0 r5:df83de08
 r4:df83ddc0
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9770>] (_vm_unmap_aliases) from [<804ed5b8>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f34c00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f073000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df959000
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c57c0>] (bpf_jit_free_exec) from [<803c5bb0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c5b48>] (bpf_jit_free) from [<803c6c58>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:87e7178c r4:830b9380
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:87e7178c r4:830b9380
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8320e000 r8:830b93ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:830b9380
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9380 r8:80278fe0 r7:df819e48 r6:830b9400 r5:8320e000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
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 r5:802800d4
 r4:830b6340
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 32 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 r6:000f0013 r5:600f0093 r4:8224e098
[<80201b08>] (show_stack) from [<8021f924>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021f924>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120)
[<8021f8b4>] (dump_stack_lvl) from [<8021f948>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000001 r4:00000001
[<8021f930>] (dump_stack) from [<81a235cc>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81a2346c>] (nmi_cpu_backtrace) from [<81a23718>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000001 r6:8280c690 r5:8281ae00 r4:ffffffff
[<81a235e8>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:8281b9e8 r8:8280c810 r7:00028682 r6:00007ee0 r5:82abe7d4 r4:833f450c
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f344>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f344>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f344>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495)
[<8037ed74>] (watchdog) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:00000000 r8:8037ed74 r7:8332a380 r6:8332a380 r5:83399800
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8e1fb0 to 0xdf8e1ff8)
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 r5:802800d4
 r4:832cd340
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 11083 Comm: kworker/u9:4 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Workqueue: events_power_efficient neigh_periodic_work
PC is at selinux_ip_postroute+0x0/0x388 security/selinux/hooks.c:5955
LR is at nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
LR is at nf_hook_slow+0x40/0x104 net/netfilter/core.c:623
pc : [<807a1090>]    lr : [<816ac184>]    psr: 20000113
sp : df801a98  ip : df801a80  fp : df801abc
r10: 8326e114  r9 : 839caa90  r8 : df801ac4
r7 : 8499e9c0  r6 : 839caa80  r5 : 00000002  r4 : 00000001
r3 : 807a1090  r2 : df801ac4  r1 : 8499e9c0  r0 : 00000000
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 84a4b340  DAC: fffffffd
Call trace: frame pointer underflow
[<816ac144>] (nf_hook_slow) from [<81745154>] (nf_hook include/linux/netfilter.h:273 [inline])
[<816ac144>] (nf_hook_slow) from [<81745154>] (NF_HOOK_COND include/linux/netfilter.h:306 [inline])
[<816ac144>] (nf_hook_slow) from [<81745154>] (ip_output+0xe4/0x104 net/ipv4/ip_output.c:438)
 r9:8326f780 r8:85573800 r7:00000000 r6:00000000 r5:856d49c0 r4:8499e9c0
[<81745070>] (ip_output) from [<81746568>] (dst_output include/net/dst.h:464 [inline])
[<81745070>] (ip_output) from [<81746568>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:131)
 r8:88d81d81 r7:88d81d80 r6:00000000 r5:856d49c0 r4:8499e9c0
[<81746528>] (ip_local_out) from [<816e1ae8>] (synproxy_send_tcp+0x124/0x190 net/netfilter/nf_synproxy_core.c:439)
 r7:88d81d80 r6:856d49c0 r5:85c8d300 r4:8499e9c0
[<816e19c4>] (synproxy_send_tcp) from [<816e1ecc>] (synproxy_send_client_synack+0x190/0x1e8 net/netfilter/nf_synproxy_core.c:484)
 r9:8326f780 r8:8326f794 r7:df801bb0 r6:8499e480 r5:00000014 r4:8499e9c0
[<816e1d3c>] (synproxy_send_client_synack) from [<8171d430>] (nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:59 [inline])
[<816e1d3c>] (synproxy_send_client_synack) from [<8171d430>] (nft_synproxy_do_eval+0x25c/0x2b4 net/netfilter/nft_synproxy.c:141)
 r10:81e63208 r9:8326f794 r8:85f0dec0 r7:87c9ebd8 r6:df801c7c r5:856d49c0
 r4:8499e480
[<8171d1d4>] (nft_synproxy_do_eval) from [<8171d4b4>] (nft_synproxy_eval+0x14/0x18 net/netfilter/nft_synproxy.c:247)
 r9:df801d14 r8:81e63390 r7:81e630f4 r6:81e630b0 r5:87c9ebe0 r4:87c9ebd0
[<8171d4a0>] (nft_synproxy_eval) from [<816e4b74>] (expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline])
[<8171d4a0>] (nft_synproxy_eval) from [<816e4b74>] (nft_do_chain+0x12c/0x570 net/netfilter/nf_tables_core.c:285)
[<816e4a48>] (nft_do_chain) from [<816fea78>] (nft_do_chain_inet+0xac/0x120 net/netfilter/nft_chain_filter.c:161)
 r10:dddd0ec8 r9:839ca820 r8:df801d6c r7:8499e480 r6:839ca800 r5:00000004
 r4:85b81f40
[<816fe9cc>] (nft_do_chain_inet) from [<816ac184>] (nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline])
[<816fe9cc>] (nft_do_chain_inet) from [<816ac184>] (nf_hook_slow+0x40/0x104 net/netfilter/core.c:623)
 r4:00000001
[<816ac144>] (nf_hook_slow) from [<8174008c>] (nf_hook include/linux/netfilter.h:273 [inline])
[<816ac144>] (nf_hook_slow) from [<8174008c>] (NF_HOOK include/linux/netfilter.h:316 [inline])
[<816ac144>] (nf_hook_slow) from [<8174008c>] (ip_local_deliver+0xf0/0x110 net/ipv4/ip_input.c:260)
 r9:00000040 r8:00000007 r7:00000000 r6:856d49c0 r5:85573800 r4:8499e480
[<8173ff9c>] (ip_local_deliver) from [<8173f124>] (dst_input include/net/dst.h:474 [inline])
[<8173ff9c>] (ip_local_deliver) from [<8173f124>] (ip_rcv_finish+0x98/0xb0 net/ipv4/ip_input.c:453)
 r6:85573800 r5:856d49c0 r4:8499e480
[<8173f08c>] (ip_rcv_finish) from [<81740180>] (NF_HOOK include/linux/netfilter.h:318 [inline])
[<8173f08c>] (ip_rcv_finish) from [<81740180>] (NF_HOOK include/linux/netfilter.h:312 [inline])
[<8173f08c>] (ip_rcv_finish) from [<81740180>] (ip_rcv+0xd4/0xe0 net/ipv4/ip_input.c:573)
 r7:00000000 r6:856d49c0 r5:8499e480 r4:00000001
[<817400ac>] (ip_rcv) from [<8158bd04>] (__netif_receive_skb_one_core+0x5c/0x80 net/core/dev.c:6079)
 r6:00000000 r5:817400ac r4:85573800
[<8158bca8>] (__netif_receive_skb_one_core) from [<8158bd70>] (__netif_receive_skb+0x18/0x5c net/core/dev.c:6192)
 r5:dddd0fb0 r4:8499e480
[<8158bd58>] (__netif_receive_skb) from [<8158c078>] (process_backlog+0xa0/0x17c net/core/dev.c:6544)
 r5:dddd0fb0 r4:8499e480
[<8158bfd8>] (process_backlog) from [<8158c8d8>] (__napi_poll+0x34/0x240 net/core/dev.c:7594)
 r10:00000000 r9:df801ed8 r8:00000000 r7:df801ed3 r6:00000040 r5:dddd0fb0
 r4:00000001
[<8158c8a4>] (__napi_poll) from [<8158d130>] (napi_poll net/core/dev.c:7657 [inline])
[<8158c8a4>] (__napi_poll) from [<8158d130>] (net_rx_action+0x358/0x3ec net/core/dev.c:7784)
 r9:df801ed8 r8:00000000 r7:0000012c r6:5b70e000 r5:dddd0fb0 r4:ffffffff
[<8158cdd8>] (net_rx_action) from [<8025be18>] (handle_softirqs+0x140/0x458 kernel/softirq.c:622)
 r10:85e86000 r9:82804d40 r8:00000101 r7:00000003 r6:00000008 r5:00000004
 r4:8280408c
[<8025bcd8>] (handle_softirqs) from [<802012f0>] (__do_softirq+0x14/0x18 kernel/softirq.c:656)
 r10:00000000 r9:85c12420 r8:829f1428 r7:000000d5 r6:00000000 r5:00000001
 r4:60000113
[<802012dc>] (__do_softirq) from [<8022858c>] (____do_softirq+0x10/0x14 arch/arm/kernel/irq.c:77)
[<8022857c>] (____do_softirq) from [<81a06688>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40)
[<81a0666c>] (call_with_stack) from [<802285c8>] (do_softirq_own_stack+0x38/0x3c arch/arm/kernel/irq.c:82)
[<80228590>] (do_softirq_own_stack) from [<8025c420>] (do_softirq kernel/softirq.c:523 [inline])
[<80228590>] (do_softirq_own_stack) from [<8025c420>] (do_softirq+0x5c/0x64 kernel/softirq.c:510)
[<8025c3c4>] (do_softirq) from [<8025c4f4>] (__local_bh_enable_ip+0xcc/0xd0 kernel/softirq.c:450)
 r5:00000001 r4:85e86000
[<8025c428>] (__local_bh_enable_ip) from [<81a43860>] (__raw_write_unlock_bh include/linux/rwlock_api_smp.h:281 [inline])
[<8025c428>] (__local_bh_enable_ip) from [<81a43860>] (_raw_write_unlock_bh+0x2c/0x30 kernel/locking/spinlock.c:366)
 r5:82804d40 r4:829f14bc
[<81a43834>] (_raw_write_unlock_bh) from [<8159b088>] (neigh_periodic_work+0x168/0x25c net/core/neighbour.c:1040)
[<8159af20>] (neigh_periodic_work) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r10:8300ea70 r9:8301d605 r8:85e86000 r7:83264000 r6:8301d600 r5:829f1428
 r4:85fa8900
[<802783e0>] (process_one_work) from [<802791dc>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783e0>] (process_one_work) from [<802791dc>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85e86000 r8:85fa892c r7:82804d40 r6:83264000 r5:83264020
 r4:85fa8900
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85fa8900 r8:80278fe0 r7:e05e1e60 r6:85fa8200 r5:85e86000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe03cdfb0 to 0xe03cdff8)
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 r5:802800d4
 r4:869c2740