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INFO: task hung in _vm_unmap_aliases (3)

Status: upstream: reported C repro on 2024/01/09 18:18
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+fe8f8efd070d727de971@syzkaller.appspotmail.com
First crash: 788d, last: 3h09m
▶ ▼ Discussions (8)
Title Replies (including bot) Last reply
[syzbot] Monthly mm report (Oct 2025) 0 (1) 2025/10/16 08:36
[syzbot] Monthly mm report (Sep 2025) 0 (1) 2025/09/15 06:54
[syzbot] Monthly mm report (Aug 2025) 0 (1) 2025/08/14 12:42
[syzbot] Monthly mm report (Jul 2025) 0 (1) 2025/07/14 07:23
[syzbot] Monthly mm report (Dec 2024) 0 (1) 2024/12/05 09:04
[syzbot] Monthly mm report (Oct 2024) 0 (1) 2024/10/03 09:02
[syzbot] Monthly mm report (Sep 2024) 0 (1) 2024/09/02 08:17
[syzbot] [modules?] INFO: task hung in _vm_unmap_aliases (3) 0 (1) 2024/01/09 18:18
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in _vm_unmap_aliases kernel 1 1 1928d 1928d 0/29 auto-closed as invalid on 2020/11/17 05:59
linux-5.15 INFO: task hung in _vm_unmap_aliases 1 1 379d 379d 0/3 auto-obsoleted due to no activity on 2025/02/23 10:14
upstream INFO: task hung in _vm_unmap_aliases (2) modules 1 1 1078d 1078d 0/29 auto-obsoleted due to no activity on 2023/04/08 08:01
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/09/29 05:00 25m retest repro upstream OK log
2025/09/29 05:00 25m retest repro upstream OK log
2025/09/29 05:00 25m retest repro upstream OK log
2025/09/29 05:00 25m retest repro upstream OK log
2025/09/29 05:00 16m retest repro upstream report log
2025/09/29 02:26 25m retest repro upstream OK log
2025/09/29 02:26 25m retest repro upstream OK log
2025/09/29 02:26 25m retest repro upstream OK log
2025/09/29 02:26 25m retest repro upstream OK log
2025/09/29 02:26 26m retest repro upstream OK log

Sample crash report:
INFO: task kworker/1:3:2885 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:0     pid:2885  tgid:2885  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:eb005d84 r9:00000002 r8:60000113 r7:829171a0 r6:eb005d8c r5:83ff8000
 r4:83ff8000
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:83ff8000 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb005e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608200
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:83ff8000 r7:00000000 r6:83018600 r5:00001000 r4:7f063000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa3f000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583cf8c r4:8450a180
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583cf8c r4:8450a180
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:83ff8000 r8:8450a1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8450a180
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8450a180 r8:80278fec r7:ea6c9e60 r6:8450a200 r5:83ff8000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb005fb0 to 0xeb005ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84507840
INFO: task kworker/1:3:2885 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: abef2000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:2:3598 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:0     pid:3598  tgid:3598  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfc39d84 r9:00000002 r8:600b0113 r7:829171a0 r6:dfc39d8c r5:83981800
 r4:83981800
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:83981800 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc39e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559ed00
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:83981800 r7:00000000 r6:83018600 r5:00001000 r4:7f06b000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb907000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8587138c r4:85439e80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8587138c r4:85439e80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:83981800 r8:85439eac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85439e80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85439e80 r8:80278fec r7:eb005e60 r6:85439f00 r5:83981800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfc39fb0 to 0xdfc39ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8559ea80
INFO: task kworker/1:2:3598 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:4:4169 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:4169  tgid:4169  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:e43edd84 r9:00000002 r8:60000113 r7:829171a0 r6:e43edd8c r5:83304800
 r4:83304800
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:83304800 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e43ede08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608780
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:83304800 r7:00000000 r6:83018600 r5:00001000 r4:7f073000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb9c1000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583c78c r4:8540c300
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583c78c r4:8540c300
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:83304800 r8:8540c32c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8540c300
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8540c300 r8:80278fec r7:eb005e60 r6:854f1080 r5:83304800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe43edfb0 to 0xe43edff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856da280
INFO: task kworker/1:4:4169 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:19:4264 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:19    state:D stack:0     pid:4264  tgid:4264  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:e0319d84 r9:00000002 r8:60000113 r7:829171a0 r6:e0319d8c r5:84fbd400
 r4:84fbd400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84fbd400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0319e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608740
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84fbd400 r7:00000000 r6:83018600 r5:00001000 r4:7f065000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa85000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583cb8c r4:85587400
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583cb8c r4:85587400
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84fbd400 r8:8558742c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85587400
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85587400 r8:80278fec r7:e029de60 r6:8542bf80 r5:84fbd400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0319fb0 to 0xe0319ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85603a40
INFO: task kworker/1:19:4264 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:37:4309 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:37    state:D stack:0     pid:4309  tgid:4309  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb45d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfb45d8c r5:83316c00
 r4:83316c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:83316c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb45e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0340
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:83316c00 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4f000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599e78c r4:84c9e580
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599e78c r4:84c9e580
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:83316c00 r8:84c9e5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84c9e580
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84c9e580 r8:80278fec r7:dfb09e60 r6:84c9ed80 r5:83316c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb45fb0 to 0xdfb45ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856013c0
INFO: task kworker/1:37:4309 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:43:4322 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:43    state:D stack:0     pid:4322  tgid:4322  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfa39d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa39d8c r5:841a0c00
 r4:841a0c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:841a0c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85789a00
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eae2d000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599d38c r4:84c9e000
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599d38c r4:84c9e000
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a0c00 r8:84c9e02c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84c9e000
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84c9e000 r8:80278fec r7:dfbd1e60 r6:85407280 r5:841a0c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa39fb0 to 0xdfa39ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85603180
INFO: task kworker/1:43:4322 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:54:4343 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:54    state:D stack:0     pid:4343  tgid:4343  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfc41d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfc41d8c r5:8420a400
 r4:8420a400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8420a400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc41e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856df740
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8420a400 r7:00000000 r6:83018600 r5:00001000 r4:7f049000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea62b000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599fb8c r4:84171580
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599fb8c r4:84171580
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8420a400 r8:841715ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84171580
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84171580 r8:80278fec r7:dfaa5e60 r6:855b2b00 r5:8420a400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfc41fb0 to 0xdfc41ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856012c0
INFO: task kworker/1:54:4343 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:56:4347 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:56    state:D stack:0     pid:4347  tgid:4347  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfca1d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfca1d8c r5:84208c00
 r4:84208c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84208c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfca1e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97a00
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84208c00 r7:00000000 r6:83018600 r5:00001000 r4:7f043000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e43f5000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d78c r4:84954600
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d78c r4:84954600
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84208c00 r8:8495462c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84954600
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84954600 r8:80278fec r7:dfaa5e60 r6:855f9900 r5:84208c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfca1fb0 to 0xdfca1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85421000
INFO: task kworker/1:56:4347 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:58:4351 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:58    state:D stack:0     pid:4351  tgid:4351  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfd21d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfd21d8c r5:84c90c00
 r4:84c90c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c90c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd21e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97d40
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c90c00 r7:00000000 r6:83018600 r5:00001000 r4:7f041000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e43a2000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583ff8c r4:855f9800
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583ff8c r4:855f9800
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c90c00 r8:855f982c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:855f9800
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:855f9800 r8:80278fec r7:dfcf9e60 r6:855f9200 r5:84c90c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd21fb0 to 0xdfd21ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85421a40
INFO: task kworker/1:58:4351 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
INFO: task kworker/1:59:4354 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:59    state:D stack:0     pid:4354  tgid:4354  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:df9edd84 r9:00000002 r8:60000013 r7:829171a0 r6:df9edd8c r5:84c92400
 r4:84c92400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c92400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9ede08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856dfec0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c92400 r7:00000000 r6:83018600 r5:00001000 r4:7f04d000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea811000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599c78c r4:855f9700
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599c78c r4:855f9700
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c92400 r8:855f972c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:855f9700
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:855f9700 r8:80278fec r7:dfd21e60 r6:855f9f00 r5:84c92400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf9edfb0 to 0xdf9edff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85421f40
INFO: task kworker/1:59:4354 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:60:4356 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:60    state:D stack:0     pid:4356  tgid:4356  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfa01d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa01d8c r5:84c93000
 r4:84c93000
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c93000 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa01e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0e00
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c93000 r7:00000000 r6:83018600 r5:00001000 r4:7f059000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eacfb000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599eb8c r4:855f9380
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599eb8c r4:855f9380
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c93000 r8:855f93ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:855f9380
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:855f9380 r8:80278fec r7:df9ede60 r6:855f9500 r5:84c93000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa01fb0 to 0xdfa01ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85421480
INFO: task kworker/1:60:4356 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:61:4358 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:61    state:D stack:0     pid:4358  tgid:4358  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb11d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb11d8c r5:84c93c00
 r4:84c93c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c93c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb11e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97340
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c93c00 r7:00000000 r6:83018600 r5:00001000 r4:7f045000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea49b000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599f38c r4:855f9d00
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599f38c r4:855f9d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c93c00 r8:855f9d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:855f9d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:855f9d00 r8:80278fec r7:df9ede60 r6:855f9680 r5:84c93c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb11fb0 to 0xdfb11ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856df500
INFO: task kworker/1:61:4358 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:62:4359 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:62    state:D stack:0     pid:4359  tgid:4359  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfa51d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa51d8c r5:84c94800
 r4:84c94800
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c94800 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa51e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e97940
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c94800 r7:00000000 r6:83018600 r5:00001000 r4:7f047000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea54b000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599d78c r4:855b2e00
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599d78c r4:855b2e00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c94800 r8:855b2e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:855b2e00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:855b2e00 r8:80278fec r7:df9ede60 r6:84831880 r5:84c94800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa51fb0 to 0xdfa51ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856df100
INFO: task kworker/1:62:4359 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:63:4362 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:63    state:D stack:0     pid:4362  tgid:4362  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfa91d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa91d8c r5:84c96c00
 r4:84c96c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c96c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa91e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857a0f00
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c96c00 r7:00000000 r6:83018600 r5:00001000 r4:7f057000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eac85000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599df8c r4:85420100
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599df8c r4:85420100
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c96c00 r8:8542012c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85420100
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85420100 r8:80278fec r7:df9ede60 r6:85420280 r5:84c96c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa91fb0 to 0xdfa91ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856df100
INFO: task kworker/1:63:4362 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:64:4364 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:64    state:D stack:0     pid:4364  tgid:4364  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfd61d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfd61d8c r5:84c96000
 r4:84c96000
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c96000 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd61e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85789840
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c96000 r7:00000000 r6:83018600 r5:00001000 r4:7f05f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaf4f000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599f78c r4:85420400
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599f78c r4:85420400
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c96000 r8:8542042c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85420400
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85420400 r8:80278fec r7:df9ede60 r6:85420380 r5:84c96000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:855a0e40
INFO: task kworker/1:64:4364 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:66:4368 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:66    state:D stack:0     pid:4368  tgid:4368  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb51d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb51d8c r5:84c91800
 r4:84c91800
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84c91800 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb51e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856086c0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c91800 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df989000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599ff8c r4:85420880
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599ff8c r4:85420880
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84c91800 r8:854208ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85420880
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85420880 r8:80278fec r7:dfd61e60 r6:85420900 r5:84c91800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb51fb0 to 0xdfb51ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85602940
INFO: task kworker/1:66:4368 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: addb3000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:67:4369 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:67    state:D stack:0     pid:4369  tgid:4369  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfda5d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfda5d8c r5:84990000
 r4:84990000
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84990000 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfda5e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e3c6c0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84990000 r7:00000000 r6:83018600 r5:00001000 r4:7f061000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eafdd000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599ef8c r4:85420780
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599ef8c r4:85420780
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84990000 r8:854207ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85420780
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85420780 r8:80278fec r7:dfd61e60 r6:85420a80 r5:84990000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfda5fb0 to 0xdfda5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85602940
INFO: task kworker/1:67:4369 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:68:4380 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:68    state:D stack:0     pid:4380  tgid:4380  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfd01d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfd01d8c r5:84993000
 r4:84993000
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84993000 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd01e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559ef40
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84993000 r7:00000000 r6:83018600 r5:00001000 r4:7f069000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb8cb000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599cb8c r4:85420e80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599cb8c r4:85420e80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84993000 r8:85420eac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85420e80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85420e80 r8:80278fec r7:dfb51e60 r6:85420f00 r5:84993000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd01fb0 to 0xdfd01ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fc240
INFO: task kworker/1:68:4380 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:69:4408 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:69    state:D stack:0     pid:4408  tgid:4408  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfc49d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfc49d8c r5:84fb8c00
 r4:84fb8c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84fb8c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc49e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856087c0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84fb8c00 r7:00000000 r6:83018600 r5:00001000 r4:7f075000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb9e1000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84e5a38c r4:85423500
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:84e5a38c r4:85423500
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84fb8c00 r8:8542352c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85423500
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85423500 r8:80278fec r7:e43ede60 r6:84b24800 r5:84fb8c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfc49fb0 to 0xdfc49ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84c651c0
INFO: task kworker/1:69:4408 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:70:4426 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:70    state:D stack:0     pid:4426  tgid:4426  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfaedd84 r9:00000002 r8:60000013 r7:829171a0 r6:dfaedd8c r5:85652400
 r4:85652400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85652400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaede08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559e300
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85652400 r7:00000000 r6:83018600 r5:00001000 r4:7f067000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb07d000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599e38c r4:85423e80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599e38c r4:85423e80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85652400 r8:85423eac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85423e80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85423e80 r8:80278fec r7:dfc49e60 r6:84c68300 r5:85652400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaedfb0 to 0xdfaedff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:855a0740
INFO: task kworker/1:70:4426 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:71:4427 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:71    state:D stack:0     pid:4427  tgid:4427  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfaf9d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfaf9d8c r5:85653c00
 r4:85653c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85653c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaf9e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559e4c0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85653c00 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb95f000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85873b8c r4:85423f00
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85873b8c r4:85423f00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85653c00 r8:85423f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85423f00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85423f00 r8:80278fec r7:dfc49e60 r6:84c68580 r5:85653c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaf9fb0 to 0xdfaf9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856012c0
INFO: task kworker/1:71:4427 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:72:4429 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:72    state:D stack:0     pid:4429  tgid:4429  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb59d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb59d8c r5:85655400
 r4:85655400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85655400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb59e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559edc0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85655400 r7:00000000 r6:83018600 r5:00001000 r4:7f071000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb987000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8599cf8c r4:85423f80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8599cf8c r4:85423f80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85655400 r8:85423fac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85423f80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85423f80 r8:80278fec r7:dfc49e60 r6:84c68700 r5:85655400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb59fb0 to 0xdfb59ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85421b40
INFO: task kworker/1:72:4429 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:118:4721 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:118   state:D stack:0     pid:4721  tgid:4721  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea56dd84 r9:00000002 r8:60010113 r7:829171a0 r6:ea56dd8c r5:854e2400
 r4:854e2400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:854e2400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea56de08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854e9800
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:854e2400 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea6e9000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85863f8c r4:84dd5880
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85863f8c r4:84dd5880
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:854e2400 r8:84dd58ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84dd5880
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84dd5880 r8:80278fec r7:ea569e60 r6:84dd5800 r5:854e2400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea56dfb0 to 0xea56dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8574dac0
INFO: task kworker/0:118:4721 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:120:4800 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:120   state:D stack:0     pid:4800  tgid:4800  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea675d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea675d8c r5:84f4a400
 r4:84f4a400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84f4a400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea675e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe54c0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84f4a400 r7:00000000 r6:83018400 r5:00001000 r4:7f06d000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb933000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8557b78c r4:85610900
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8557b78c r4:85610900
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84f4a400 r8:8561092c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85610900
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85610900 r8:80278fec r7:ea60de60 r6:85610a80 r5:84f4a400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea675fb0 to 0xea675ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84fe4600
INFO: task kworker/0:120:4800 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:126:4812 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:126   state:D stack:0     pid:4812  tgid:4812  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea6d9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea6d9d8c r5:85824800
 r4:85824800
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85824800 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6d9e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b21d80
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85824800 r7:00000000 r6:83018400 r5:00001000 r4:7f053000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eab3f000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8557878c r4:84fe7100
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8557878c r4:84fe7100
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85824800 r8:84fe712c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84fe7100
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84fe7100 r8:80278fec r7:ea6a9e60 r6:85433a80 r5:85824800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6d9fb0 to 0xea6d9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8574db80
INFO: task kworker/0:126:4812 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:127:4813 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:127   state:D stack:0     pid:4813  tgid:4813  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea6ddd84 r9:00000002 r8:60010113 r7:829171a0 r6:ea6ddd8c r5:85825400
 r4:85825400
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85825400 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6dde08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85793540
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85825400 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea967000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586238c r4:84fe7180
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8586238c r4:84fe7180
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85825400 r8:84fe71ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84fe7180
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84fe7180 r8:80278fec r7:ea6a9e60 r6:85433b80 r5:85825400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6ddfb0 to 0xea6ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84fe4480
INFO: task kworker/0:127:4813 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:129:4819 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:129   state:D stack:0     pid:4819  tgid:4819  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea6f5d84 r9:00000002 r8:60010113 r7:829171a0 r6:ea6f5d8c r5:85821800
 r4:85821800
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85821800 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6f5e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe5680
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85821800 r7:00000000 r6:83018400 r5:00001000 r4:7f077000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eb9fd000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8557bb8c r4:84fe7280
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8557bb8c r4:84fe7280
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85821800 r8:84fe72ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84fe7280
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84fe7280 r8:80278fec r7:ea6d9e60 r6:85433e80 r5:85821800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6f5fb0 to 0xea6f5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8560f0c0
INFO: task kworker/0:129:4819 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:131:4824 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:131   state:D stack:0     pid:4824  tgid:4824  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea72dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea72dd8c r5:85830c00
 r4:85830c00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85830c00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea72de08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856def40
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85830c00 r7:00000000 r6:83018400 r5:00001000 r4:7f051000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaa45000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858d8b8c r4:84fe7380
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858d8b8c r4:84fe7380
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85830c00 r8:84fe73ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84fe7380
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84fe7380 r8:80278fec r7:ea721e60 r6:85583180 r5:85830c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea72dfb0 to 0xea72dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856130c0
INFO: task kworker/0:131:4824 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:133:4830 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:133   state:D stack:0     pid:4830  tgid:4830  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a65390>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a643fc>] (__schedule) from [<81a65390>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea799d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea799d8c r5:84f4ec00
 r4:84f4ec00
[<81a65364>] (schedule) from [<81a65778>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84f4ec00 r4:8291719c
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65760>] (schedule_preempt_disabled) from [<81a68328>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a67fd8>] (__mutex_lock.constprop.0) from [<81a68ad0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea799e08
 r4:00000000
[<81a68abc>] (__mutex_lock_slowpath) from [<81a68b10>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68ad4>] (mutex_lock) from [<804ea30c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fe57c0
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84f4ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f055000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eabe9000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85579f8c r4:84fe7600
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85579f8c r4:84fe7600
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84f4ec00 r8:84fe762c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84fe7600
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84fe7600 r8:80278fec r7:ea6f5e60 r6:84fe7680 r5:84f4ec00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea799fb0 to 0xea799ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85613d00
INFO: task kworker/0:133:4830 is blocked on a mutex likely owned by task kworker/1:48:4332.
task:kworker/1:48    state:R  running task     stack:0     pid:4332  tgid:4332  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a643fc>] (__schedule) from [<81a657c4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:841a1800 r8:80200c04 r7:dfaa5d54 r6:ffffffff r5:841a1800
 r4:00000000
[<81a65784>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfaa5d20 to 0xdfaa5d68)
5d20: ae18d000 ebc85000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0
5d40: 7f00b000 ebc85000 8280c9b4 dfaa5d9c dfaa5da0 dfaa5d70 80230af0 80239c10
5d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea0d0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9e4c>] (__purge_vmap_area_lazy) from [<804ea488>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfaa5dc0 r5:dfaa5e08
 r4:dfaa5dc0
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea2a4>] (_vm_unmap_aliases) from [<804ee0ec>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603140
 r4:00000000
[<804edf80>] (vfree) from [<80559038>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:841a1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000
[<80559008>] (execmem_free) from [<803c5fa0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e02bf000
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5f90>] (bpf_jit_free_exec) from [<803c6380>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6318>] (bpf_jit_free) from [<803c7428>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8583d38c r4:84e4ab80
[<803c72e8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8583d38c r4:84e4ab80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:841a1800 r8:84e4abac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:84e4ab80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e4ab80 r8:80278fec r7:dfae1e60 r6:84e4a080 r5:841a1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854fcbc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:00000013 r5:60000093 r4:82252738
[<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120)
[<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:00000001
[<8021f904>] (dump_stack) from [<81a4e014>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81a4deb4>] (nmi_cpu_backtrace) from [<81a4e160>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000000 r6:8280c690 r5:8281ae34 r4:ffffffff
[<81a4e030>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:8281ba28 r8:8280c810 r7:0002ee2a r6:00007b94 r5:82abf7d4 r4:85d5ff0c
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495)
[<8037f528>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:00000000 r8:8037f528 r7:830d6a80 r6:830d6a80 r5:8321c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8d9fb0 to 0xdf8d9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:833cd6c0
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2819 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194
LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]
LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603
pc : [<81a6e264>]    lr : [<80a8f568>]    psr: 60000113
sp : eb001eb0  ip : eb001ec0  fp : eb001ebc
r10: 82959594  r9 : 00000001  r8 : 00000000
r7 : 00000117  r6 : 829594f8  r5 : 00000000  r4 : 00000001
r3 : 00000c37  r2 : 00000000  r1 : 60000113  r0 : 84073440
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 84daa440  DAC: 00000000
Call trace: 
[<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline])
[<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline])
[<81a6e23c>] (_raw_spin_unlock_irqrestore) from [<80a8f568>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603)
[<80a8f548>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142)
[<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229)
 r6:8280c690 r5:83b14800 r4:829594f8
[<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:829594f8 r8:802e37c8 r7:844e1b80 r6:844e1b80 r5:83b14800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb001fb0 to 0xeb001ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:848b2dc0

Crashes (643):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/25 12:45 upstream ac3fd01e4c1e 64219f15 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/22 19:02 upstream 2eba5e05d9bc 4fb8ef37 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/22 15:05 upstream 2eba5e05d9bc 4fb8ef37 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/13 15:25 upstream e927c520e1ba 07e030de .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/13 01:55 upstream 24172e0d7990 07e030de .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/09 17:57 upstream 439fc29dfd3b 4e1406b4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/06 10:44 upstream dc77806cf3b4 a6c9c731 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/03 11:50 upstream 6146a0f1dfae 2c50b6a9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/02 18:18 upstream 691d401c7e0e 2c50b6a9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/02 10:47 upstream 691d401c7e0e 2c50b6a9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/01 19:15 upstream ba36dd5ee6fd 2c50b6a9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/30 14:44 upstream e53642b87a4f fd2207e7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/30 10:53 upstream e53642b87a4f fd2207e7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/30 06:35 upstream e53642b87a4f fd2207e7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/30 02:28 upstream e53642b87a4f fd2207e7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/28 11:47 upstream fd57572253bc fd2207e7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/26 16:25 upstream 72761a7e3122 c0460fcd .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/23 15:44 upstream 43e9ad0c55a3 c0460fcd .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/05/30 14:11 upstream 4a4be1ad3a6e 34889ee3 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/05/02 10:41 upstream 0106679839f7 3ba885bc .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/04/02 19:56 upstream 026e680b0a08 f861ecca .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/27 15:06 upstream 7033999ecd7b 454571b6 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/27 06:52 upstream 7033999ecd7b 454571b6 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/25 04:41 upstream 5e74df2f8f15 0ea90952 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/05 10:51 upstream 90d35da658da 5fc53669 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/06 07:42 upstream 54be6c6c5ae8 6404acf9 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/29 16:08 upstream 41bccc98fb79 991a98f4 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/28 16:09 upstream 8a696a29c690 cc4a4020 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/28 11:47 upstream 8a696a29c690 cc4a4020 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/03 12:03 upstream 610a9b8f49fb fb427a07 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/29 10:14 upstream 19eef1d98eed 01c07bfe .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/27 21:22 upstream 765e56e41a5a e8331348 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/26 19:50 upstream 30f09200cc4a c116feb4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/26 01:41 upstream 8a2bcda5e139 64219f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/24 06:38 upstream d0e88704d96c 4fb8ef37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/23 15:40 upstream d13f3ac64efb 4fb8ef37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/23 07:51 upstream 89edd36fd801 4fb8ef37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/23 04:29 upstream 89edd36fd801 4fb8ef37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/21 16:03 upstream fd95357fd8c6 52ed5c96 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/19 02:14 upstream 5bebe8de1926 ef766cd7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/15 12:33 upstream d4f8cccc6230 f7988ea4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/15 10:21 upstream d4f8cccc6230 f7988ea4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/12 21:52 upstream 24172e0d7990 07e030de .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/12 20:33 upstream 24172e0d7990 07e030de .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/11 10:09 upstream 4ea7c1717f3f 4e1406b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/10 21:15 upstream e9a6fb0bcdd7 4e1406b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/10 19:40 upstream e9a6fb0bcdd7 4e1406b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/09 15:33 upstream 439fc29dfd3b 4e1406b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/09 13:38 upstream 439fc29dfd3b 4e1406b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/08 09:43 upstream 38a2c275c3d3 4e1406b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/08 07:01 upstream 38a2c275c3d3 4e1406b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/03 13:21 upstream 6146a0f1dfae 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/03 05:56 upstream 6146a0f1dfae 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/02 09:08 upstream 691d401c7e0e 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/02 06:20 upstream 691d401c7e0e 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/30 22:55 upstream e53642b87a4f 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/26 09:36 upstream 72761a7e3122 c0460fcd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/25 05:50 upstream d2818517e348 c0460fcd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/24 01:19 upstream ab431bc39741 c0460fcd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/23 01:29 upstream 552c50713f27 c0460fcd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/22 07:43 upstream 211ddde0823f 252fbbad .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/21 13:23 upstream 211ddde0823f 9832ed61 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/20 23:40 upstream 211ddde0823f d422939c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/19 08:50 upstream 1c64efcb083c 1c8c8cd8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/18 04:24 upstream 6f3b6e91f720 1c8c8cd8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/17 04:37 upstream 634ec1fc7982 19568248 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/07 08:06 upstream c746c3b51698 8ef35d49 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/10/05 12:03 upstream 6093a688a07d 49379ee0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/09/14 16:36 upstream f83a4f2a4d8c e2beed91 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/09/07 23:38 upstream 6ab41fca2e80 d291dd2d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/09/06 13:21 upstream d1d10cea0895 d291dd2d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/08/23 14:21 upstream 6debb6904172 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/08/12 12:17 upstream 53e760d89498 c06e8995 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/07/28 21:26 upstream 038d61fd6422 6654ea9c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/07/11 16:21 upstream bc9ff192a6c9 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/26 07:05 upstream 92ca6c498a5e 26d77996 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/21 23:48 upstream 3f75bfff44be d6cdfb8a .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/20 03:27 upstream fb4d33ab452e ed3e87f7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/19 13:53 upstream 74b4cc9b8780 ed3e87f7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/17 00:35 upstream e04c78d86a96 d1716036 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/15 16:03 upstream 8c6bc74c7f89 5f4b362d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/14 00:30 upstream 27605c8c0f69 1f72c409 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/10 21:55 upstream f09079bd04a9 5d7e17ca .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/10 03:10 upstream 19272b37aa4f 4826c28e .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/09 23:07 upstream 19272b37aa4f 4826c28e .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/09 19:55 upstream 19272b37aa4f 4826c28e .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/09 04:52 upstream 939f15e640f1 4826c28e .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/08 11:34 upstream 8630c59e9936 4826c28e .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/07 20:09 upstream bdc7f8c5adad 4826c28e .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/07 09:09 upstream c0c9379f235d 4826c28e .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/06 17:35 upstream e271ed52b344 3d899f2c .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/05 20:38 upstream ec7714e49479 6b6b5f21 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/03 09:36 upstream d00a83477e7a a30356b7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/03 06:30 upstream d00a83477e7a a30356b7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/02 18:26 upstream cd2e103d57e5 aaaaf5ea .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/01 20:45 upstream 7d4e49a77d99 3d2f584d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/06/01 09:28 upstream 4cb6c8af8591 3d2f584d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/31 07:05 upstream 8477ab143069 3d2f584d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/30 16:12 upstream f66bc387efbe 3d2f584d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/30 04:34 upstream 9d230d500b0e 3d2f584d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/29 16:41 upstream 90b83efa6701 3d2f584d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/29 04:31 upstream feacb1774bd5 3d2f584d .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/28 01:57 upstream 914873bc7df9 874a1386 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/26 10:32 upstream 0f8c0258bf04 2d4582d0 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/25 05:51 upstream b1427432d3b6 ed351ea7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/25 02:20 upstream b1427432d3b6 ed351ea7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/24 16:14 upstream 4856ebd99715 ed351ea7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/24 12:56 upstream 4856ebd99715 ed351ea7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/22 18:46 upstream d608703fcdd9 0919b50b .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/21 20:43 upstream 4a95bc121ccd 8f9cf946 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/21 08:18 upstream b36ddb9210e6 8f9cf946 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/20 17:08 upstream a5806cd506af 8f9cf946 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/20 12:42 upstream a5806cd506af 8f9cf946 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/20 07:31 upstream a5806cd506af 8f9cf946 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/05/20 02:40 upstream a5806cd506af 8f9cf946 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/11/25 00:39 upstream 28eb75e178d3 4dfba277 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/11/24 08:49 upstream 28eb75e178d3 4dfba277 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/11/12 11:02 upstream 2d5404caa8c7 75bb1b32 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/11/04 08:32 upstream a33ab3f94f51 f00eed24 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/11/03 18:58 upstream 3e5e6c9900c3 f00eed24 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/11/03 04:29 upstream 11066801dd4b f00eed24 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/11/02 15:05 upstream c426456857fa f00eed24 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/10/26 21:47 upstream 850925a8133c 65e8686b .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/10/08 16:32 upstream 87d6aab2389e 402f1df0 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/10/07 17:02 upstream 8cf0b93919e1 d7906eff .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/10/07 12:53 upstream 8cf0b93919e1 d7906eff .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/09/29 13:37 upstream 3efc57369a0c ba29ff75 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/09/20 23:19 upstream baeb9a7d8b60 6f888b75 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/09/04 13:06 upstream 88fac17500f4 9d47f20a .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/08/26 11:06 upstream 5be63fc19fca d7d32352 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/08/26 09:52 upstream 5be63fc19fca d7d32352 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/08/26 06:56 upstream 5be63fc19fca d7d32352 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/08/25 16:35 upstream 780bdc1ba776 d7d32352 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2023/12/25 04:12 upstream 861deac3b092 fb427a07 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
* Struck through repros no longer work on HEAD.