INFO: task kworker/0:3:27218 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D stack:0     pid:27218 tgid:27218 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:e04a1d84 r9:00000002 r8:600f0113 r7:82917120 r6:e04a1d8c r5:8413c800
 r4:8413c800
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8413c800 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:e04a1e08
 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 r5:84658580
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8413c800 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:dfb9b000
[<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)
 r5:85686b8c r4:85d0a000
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85686b8c r4:85d0a000
[<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 r9:8413c800 r8:85d0a02c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85d0a000
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85d0a000 r8:80278fe0 r7:e03d5e60 r6:85d0a180 r5:8413c800
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe04a1fb0 to 0xe04a1ff8)
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
 r4:85c10280
INFO: task kworker/0:3:27218 is blocked on a mutex likely owned by task kworker/0:6:29617.
task:kworker/0:6     state:R  running task     stack:0     pid:29617 tgid:29617 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 r9:85698000 r8:80200c04 r7:e052dd54 r6:ffffffff r5:85698000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe052dd20 to 0xe052dd68)
dd20: d1b94000 eaa73000 00000001 80239bf8 7f23a000 00000001 82aca1c4 82ac95a0
dd40: 7f23a000 eaa73000 8280c9b4 e052dd9c e052dda0 e052dd70 80230af0 80239c10
dd60: 80000113 ffffffff
 r5:80000113 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:e052ddc0 r5:e052de08
 r4:e052ddc0
[<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 r5:84ead540
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85698000 r7:00000000 r6:83018400 r5:00001000 r4:7f308000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa7b000
[<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)
 r5:8483ab8c r4:85a0fe80
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8483ab8c r4:85a0fe80
[<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 r9:85698000 r8:85a0feac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85a0fe80
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85a0fe80 r8:80278fe0 r7:e04a1e60 r6:87df9b00 r5:85698000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe052dfb0 to 0xe052dff8)
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
 r4:85664280
INFO: task kworker/0:9:27377 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9     state:D stack:0     pid:27377 tgid:27377 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:dfe75d84 r9:00000002 r8:600f0113 r7:82917120 r6:dfe75d8c r5:842e0c00
 r4:842e0c00
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:842e0c00 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:dfe75e08
 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 r5:84658a40
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:842e0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f2f6000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfb99000
[<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)
 r5:85687f8c r4:86e66f80
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85687f8c r4:86e66f80
[<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 r9:842e0c00 r8:86e66fac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:86e66f80
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86e66f80 r8:80278fe0 r7:e0329e60 r6:86e66f00 r5:842e0c00
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe75fb0 to 0xdfe75ff8)
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
 r4:85ffc880
INFO: task kworker/0:9:27377 is blocked on a mutex likely owned by task kworker/0:6:29617.
task:kworker/0:6     state:R  running task     stack:0     pid:29617 tgid:29617 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 r9:85698000 r8:80200c04 r7:e052dd54 r6:ffffffff r5:85698000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe052dd20 to 0xe052dd68)
dd20: d1b94000 eaa73000 00000001 80239bf8 7f23a000 00000001 82aca1c4 82ac95a0
dd40: 7f23a000 eaa73000 8280c9b4 e052dd9c e052dda0 e052dd70 80230af0 80239c10
dd60: 80000113 ffffffff
 r5:80000113 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:e052ddc0 r5:e052de08
 r4:e052ddc0
[<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 r5:84ead540
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85698000 r7:00000000 r6:83018400 r5:00001000 r4:7f308000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa7b000
[<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)
 r5:8483ab8c r4:85a0fe80
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8483ab8c r4:85a0fe80
[<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 r9:85698000 r8:85a0feac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85a0fe80
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85a0fe80 r8:80278fe0 r7:e04a1e60 r6:87df9b00 r5:85698000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe052dfb0 to 0xe052dff8)
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
 r4:85664280
INFO: task kworker/0:13:29841 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:13    state:D stack:0     pid:29841 tgid:29841 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:e0415d84 r9:00000002 r8:60000013 r7:82917120 r6:e0415d8c r5:86114800
 r4:86114800
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:86114800 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:e0415e08
 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 r5:85472180
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:86114800 r7:00000000 r6:83018400 r5:00001000 r4:7f2fc000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfbb1000
[<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)
 r5:84fd0b8c r4:848fe580
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fd0b8c r4:848fe580
[<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 r9:86114800 r8:848fe5ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848fe580
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848fe580 r8:80278fe0 r7:e04f9e60 r6:848fe600 r5:86114800
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0415fb0 to 0xe0415ff8)
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
 r4:864e1dc0
INFO: task kworker/0:13:29841 is blocked on a mutex likely owned by task kworker/0:6:29617.
task:kworker/0:6     state:R  running task     stack:0     pid:29617 tgid:29617 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 r9:85698000 r8:80200c04 r7:e052dd54 r6:ffffffff r5:85698000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe052dd20 to 0xe052dd68)
dd20: d5880000 eaa73000 00000001 80239bf8 7f23a000 00000001 82aca1c4 82ac95a0
dd40: 7f23a000 eaa73000 8280c9b4 e052dd9c e052dda0 e052dd70 80230af0 80239c10
dd60: 80000113 ffffffff
 r5:80000113 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:e052ddc0 r5:e052de08
 r4:e052ddc0
[<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 r5:84ead540
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85698000 r7:00000000 r6:83018400 r5:00001000 r4:7f308000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa7b000
[<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)
 r5:8483ab8c r4:85a0fe80
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8483ab8c r4:85a0fe80
[<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 r9:85698000 r8:85a0feac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85a0fe80
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85a0fe80 r8:80278fe0 r7:e04a1e60 r6:87df9b00 r5:85698000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe052dfb0 to 0xe052dff8)
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
 r4:85664280
INFO: task kworker/0:14:29843 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:14    state:D stack:0     pid:29843 tgid:29843 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:dfa35d84 r9:00000002 r8:600f0113 r7:82917120 r6:dfa35d8c r5:85f16c00
 r4:85f16c00
[<81a3a91c>] (schedule) from [<81a3ad30>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85f16c00 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:dfa35e08
 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 r5:84658a00
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85f16c00 r7:00000000 r6:83018400 r5:00001000 r4:7f2fa000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfbaf000
[<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)
 r5:85684b8c r4:860b8e00
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85684b8c r4:860b8e00
[<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 r9:85f16c00 r8:860b8e2c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:860b8e00
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:860b8e00 r8:80278fe0 r7:e0415e60 r6:860b8b00 r5:85f16c00
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa35fb0 to 0xdfa35ff8)
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
 r4:85d1c640
INFO: task kworker/0:14:29843 is blocked on a mutex likely owned by task kworker/0:6:29617.
task:kworker/0:6     state:R  running task     stack:0     pid:29617 tgid:29617 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 r9:85698000 r8:80200c04 r7:e052dd54 r6:ffffffff r5:85698000
 r4:00000000
[<81a3ad3c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe052dd20 to 0xe052dd68)
dd20: d71b1000 eaa73000 00000001 80239bf8 7f23a000 00000001 82aca1c4 82ac95a0
dd40: 7f23a000 eaa73000 8280c9b4 e052dd9c e052dda0 e052dd70 80230af0 80239c10
dd60: 80000113 ffffffff
 r5:80000113 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:e052ddc0 r5:e052de08
 r4:e052ddc0
[<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 r5:84ead540
 r4:00000000
[<804ed44c>] (vfree) from [<805581b8>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85698000 r7:00000000 r6:83018400 r5:00001000 r4:7f308000
[<80558188>] (execmem_free) from [<803c57d0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa7b000
[<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)
 r5:8483ab8c r4:85a0fe80
[<803c6b18>] (bpf_prog_free_deferred) from [<80278594>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8483ab8c r4:85a0fe80
[<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 r9:85698000 r8:85a0feac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85a0fe80
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85a0fe80 r8:80278fe0 r7:e04a1e60 r6:87df9b00 r5:85698000
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe052dfb0 to 0xe052dff8)
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
 r4:85664280
NMI backtrace for cpu 0
CPU: 0 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 r6:00000113 r5:60000193 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)
 r5:00000000 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)
 r7:00000000 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 r7:00083335 r6:00007e6b r5:82abe7d4 r4:8572a90c
[<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 r7:8334a780 r6:8334a780 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
 r4:83348f00
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 32074 Comm: kworker/1:36 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Workqueue:  0x0 (wg-crypt-wg1)
PC is at kmap_local_sched_in kernel/sched/core.c:5099 [inline]
PC is at finish_task_switch+0x8c/0x284 kernel/sched/core.c:5201
LR is at __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
LR is at _raw_spin_unlock+0x2c/0x50 kernel/locking/spinlock.c:186
pc : [<8028ff44>]    lr : [<81a43890>]    psr: 20030113
sp : e0401e60  ip : e0401e50  fp : e0401ea4
r10: 00000000  r9 : 8552d400  r8 : 8552b000
r7 : 00000000  r6 : 81a39eb8  r5 : ddde40c0  r4 : 00000000
r3 : 8552d400  r2 : 00000001  r1 : 8224e098  r0 : 00000001
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 8484e940  DAC: 00000000
Call trace: 
[<8028feb8>] (finish_task_switch) from [<81a39eb8>] (context_switch kernel/sched/core.c:5328 [inline])
[<8028feb8>] (finish_task_switch) from [<81a39eb8>] (__schedule+0x504/0xf68 kernel/sched/core.c:6929)
 r10:8552d400 r9:00000402 r8:00000000 r7:00000000 r6:8552d400 r5:ddde40c0
 r4:83219800
[<81a399b4>] (__schedule) from [<81a3a948>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a399b4>] (__schedule) from [<81a3a948>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:61c88647 r9:8552d400 r8:85fdd72c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8552d400
[<81a3a91c>] (schedule) from [<8027905c>] (worker_thread+0x7c/0x3d8 kernel/workqueue.c:3442)
 r5:ddde3da0 r4:85fdd700
[<80278fe0>] (worker_thread) from [<80280200>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85fdd700 r8:80278fe0 r7:dffb9e60 r6:85a34580 r5:8552d400
 r4:00000001
[<802800d4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0401fb0 to 0xe0401ff8)
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
 r4:8641de00