INFO: task hung in _vm_unmap_aliases (3)

Status: upstream: reported C repro on 2024/01/09 18:18
Subsystems: mm
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+fe8f8efd070d727de971@syzkaller.appspotmail.com
First crash: 1040d, last: 2d23h
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision
ad9a4366 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ INFO: task hung in _vm_unmap_aliases (3) 2026/05/24 02:54 2026/05/24 02:54 2026/05/24 03:29 c69befb3
▶ ▼ Discussions (13)
Title Replies (including bot) Last reply
[syzbot] Monthly mm report (Apr 2026) 0 (1) 2026/04/22 09:08
[syzbot] Monthly mm report (Mar 2026) 0 (1) 2026/03/23 08:58
[syzbot] Monthly mm report (Feb 2026) 0 (1) 2026/02/18 13:20
[syzbot] Monthly mm report (Jan 2026) 0 (1) 2026/01/19 08:18
[syzbot] Monthly mm report (Dec 2025) 0 (1) 2025/12/18 10:06
[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 2180d 2180d 0/29 auto-closed as invalid on 2020/11/17 05:59
linux-5.15 INFO: task hung in _vm_unmap_aliases 1 1 630d 630d 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 1329d 1329d 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
2026/07/17 00:52 43m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/07/17 00:52 42m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/07/17 00:52 41m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/07/17 00:52 41m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/07/17 00:52 43m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/06/25 08:29 43m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/06/25 08:29 44m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master OK log
2026/06/25 08:29 1h32m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/06/25 08:29 43m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log
2026/06/25 08:29 43m retest repro https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master report log

Sample crash report:
INFO: task kworker/1:10:4153 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:10    state:D stack:0     pid:4153  tgid:4153  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb09d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfb09d8c r5:8382c800
 r4:8382c800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8382c800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb09e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856475c0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8382c800 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfbd5000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85428f8c r4:8567ca00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85428f8c r4:8567ca00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8382c800 r8:8567ca2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8567ca00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8567ca00 r8:80278fec r7:ea421e60 r6:8567c980 r5:8382c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb09fb0 to 0xdfb09ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84e86840
INFO: task kworker/1:10:4153 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000002
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d735d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/0:23:4154 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:23    state:D stack:0     pid:4154  tgid:4154  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb95d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb95d8c r5:8382d400
 r4:8382d400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8382d400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb95e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856706c0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8382d400 r7:00000000 r6:83018400 r5:00001000 r4:7f035000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfcc5000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c0b8c r4:84e25980
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c0b8c r4:84e25980
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8382d400 r8:84e259ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84e25980
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84e25980 r8:80278fec r7:dfaf9e60 r6:8567c480 r5:8382d400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb95fb0 to 0xdfb95ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:855f2a80
INFO: task kworker/0:23:4154 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d7450000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/1:11:4158 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:11    state:D stack:0     pid:4158  tgid:4158  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfb65d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb65d8c r5:83a84800
 r4:83a84800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:83a84800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb65e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566c2c0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:83a84800 r7:00000000 r6:83018600 r5:00001000 r4:7f00d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa9b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85769f8c r4:8567cf80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85769f8c r4:8567cf80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:83a84800 r8:8567cfac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8567cf80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8567cf80 r8:80278fec r7:ea421e60 r6:8567c300 r5:83a84800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb65fb0 to 0xdfb65ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:854e9e40
INFO: task kworker/1:11:4158 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d7923000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/1:12:4162 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:12    state:D stack:0     pid:4162  tgid:4162  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:dfcc1d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfcc1d8c r5:83a86000
 r4:83a86000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:83a86000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcc1e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566c600
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:83a86000 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfa31000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8576978c r4:8567c580
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8576978c r4:8567c580
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:83a86000 r8:8567c5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8567c580
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8567c580 r8:80278fec r7:ea421e60 r6:8567c800 r5:83a86000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfcc1fb0 to 0xdfcc1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85694f40
INFO: task kworker/1:12:4162 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8039000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/0:109:4766 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:109   state:D stack:0     pid:4766  tgid:4766  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea835d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea835d8c r5:857fe000
 r4:857fe000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857fe000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea835e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569b900
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857fe000 r7:00000000 r6:83018400 r5:00001000 r4:7f033000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfc75000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c178c r4:85721880
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c178c r4:85721880
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857fe000 r8:857218ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85721880
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85721880 r8:80278fec r7:ea831e60 r6:85721600 r5:857fe000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea835fb0 to 0xea835ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:858159c0
INFO: task kworker/0:109:4766 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8039000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/1:213:4779 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:213   state:D stack:0     pid:4779  tgid:4779  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea705d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea705d8c r5:8553bc00
 r4:8553bc00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8553bc00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea705e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630e80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8553bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f04f000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea453000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8577df8c r4:85811180
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8577df8c r4:85811180
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8553bc00 r8:858111ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811180
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811180 r8:80278fec r7:ea761e60 r6:85811200 r5:8553bc00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea705fb0 to 0xea705ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:857d4380
INFO: task kworker/1:213:4779 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8246000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/1:215:4785 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:215   state:D stack:0     pid:4785  tgid:4785  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea7d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7d1d8c r5:8553d400
 r4:8553d400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8553d400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7d1e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d4880
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8553d400 r7:00000000 r6:83018600 r5:00001000 r4:7f031000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfc15000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8577fb8c r4:85811500
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8577fb8c r4:85811500
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8553d400 r8:8581152c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811500
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811500 r8:80278fec r7:ea705e60 r6:85811600 r5:8553d400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea7d1fb0 to 0xea7d1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85723b40
INFO: task kworker/1:215:4785 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8246000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/0:110:4786 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:110   state:D stack:0     pid:4786  tgid:4786  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea7e5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea7e5d8c r5:8553ec00
 r4:8553ec00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8553ec00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7e5e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670d00
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8553ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f039000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e006b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c138c r4:85813380
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c138c r4:85813380
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8553ec00 r8:858133ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85813380
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85813380 r8:80278fec r7:ea835e60 r6:85811700 r5:8553ec00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea7e5fb0 to 0xea7e5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85815300
INFO: task kworker/0:110:4786 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d852c000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/1:216:4788 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:216   state:D stack:0     pid:4788  tgid:4788  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea785d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea785d8c r5:8553e000
 r4:8553e000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8553e000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea785e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85647900
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8553e000 r7:00000000 r6:83018600 r5:00001000 r4:7f037000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e0025000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8577e38c r4:85811800
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8577e38c r4:85811800
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8553e000 r8:8581182c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811800
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811800 r8:80278fec r7:ea705e60 r6:85811880 r5:8553e000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea785fb0 to 0xea785ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85723e00
INFO: task kworker/1:216:4788 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d852c000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/0:111:4790 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:111   state:D stack:0     pid:4790  tgid:4790  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea7e9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7e9d8c r5:8553a400
 r4:8553a400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8553a400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7e9e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670900
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8553a400 r7:00000000 r6:83018400 r5:00001000 r4:7f03f000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e0173000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c1f8c r4:85813680
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c1f8c r4:85813680
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8553a400 r8:858136ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85813680
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85813680 r8:80278fec r7:ea835e60 r6:85811980 r5:8553a400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea7e9fb0 to 0xea7e9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8570a3c0
INFO: task kworker/0:111:4790 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8884000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:217:4792 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:217   state:D stack:0     pid:4792  tgid:4792  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea7edd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7edd8c r5:8553b000
 r4:8553b000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8553b000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7ede08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630c00
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8553b000 r7:00000000 r6:83018600 r5:00001000 r4:7f02d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfb85000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8542b38c r4:85811b00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8542b38c r4:85811b00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8553b000 r8:85811b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811b00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811b00 r8:80278fec r7:ea705e60 r6:85811b80 r5:8553b000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea7edfb0 to 0xea7edff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85723680
INFO: task kworker/1:217:4792 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8b9b000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:113:4796 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:113   state:D stack:0     pid:4796  tgid:4796  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea7f1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7f1d8c r5:857f3000
 r4:857f3000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f3000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7f1e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570dc80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857f3000 r7:00000000 r6:83018400 r5:00001000 r4:7f041000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfaeb000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c078c r4:85813900
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c078c r4:85813900
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f3000 r8:8581392c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85813900
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85813900 r8:80278fec r7:ea7e9e60 r6:85813980 r5:857f3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea7f1fb0 to 0xea7f1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:855f2b80
INFO: task kworker/0:113:4796 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8c88000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:114:4798 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:114   state:D stack:0     pid:4798  tgid:4798  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea809d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea809d8c r5:857f3c00
 r4:857f3c00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f3c00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea809e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569d300
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857f3c00 r7:00000000 r6:83018400 r5:00001000 r4:7f02d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfb77000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c3f8c r4:85813a80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c3f8c r4:85813a80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f3c00 r8:85813aac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85813a80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85813a80 r8:80278fec r7:ea7e9e60 r6:85813b00 r5:857f3c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea809fb0 to 0xea809ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8571a2c0
INFO: task kworker/0:114:4798 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8c88000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:115:4799 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:115   state:D stack:0     pid:4799  tgid:4799  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea80dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea80dd8c r5:857f4800
 r4:857f4800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f4800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea80de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670200
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857f4800 r7:00000000 r6:83018400 r5:00001000 r4:7f037000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e001b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c278c r4:85813c00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c278c r4:85813c00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f4800 r8:85813c2c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85813c00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85813c00 r8:80278fec r7:ea7e9e60 r6:85813c80 r5:857f4800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea80dfb0 to 0xea80dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85815900
INFO: task kworker/0:115:4799 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d8fb7000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:218:4804 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:218   state:D stack:0     pid:4804  tgid:4804  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea841d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea841d8c r5:857f6000
 r4:857f6000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f6000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea841e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571a5c0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857f6000 r7:00000000 r6:83018600 r5:00001000 r4:7f02b000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfb2d000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8577e78c r4:85811c80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8577e78c r4:85811c80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f6000 r8:85811cac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811c80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811c80 r8:80278fec r7:ea7ede60 r6:85813e80 r5:857f6000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea841fb0 to 0xea841ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85715c00
INFO: task kworker/1:218:4804 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d91b8000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:219:4805 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:219   state:D stack:0     pid:4805  tgid:4805  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea811d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea811d8c r5:85539800
 r4:85539800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85539800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea811e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c53300
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85539800 r7:00000000 r6:83018600 r5:00001000 r4:7f045000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e0223000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85724b8c r4:85811d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85724b8c r4:85811d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85539800 r8:85811d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811d00 r8:80278fec r7:ea7ede60 r6:85811d80 r5:85539800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea811fb0 to 0xea811ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8571b180
INFO: task kworker/1:219:4805 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d91b8000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:220:4809 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:220   state:D stack:0     pid:4809  tgid:4809  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea845d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea845d8c r5:857f6c00
 r4:857f6c00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f6c00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea845e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630700
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857f6c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04b000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e8351000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8542bb8c r4:85811f00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8542bb8c r4:85811f00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f6c00 r8:85811f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811f00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811f00 r8:80278fec r7:ea7ede60 r6:85813600 r5:857f6c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea845fb0 to 0xea845ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:857d4bc0
INFO: task kworker/1:220:4809 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d955d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:221:4811 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:221   state:D stack:0     pid:4811  tgid:4811  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea775d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea775d8c r5:85538000
 r4:85538000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85538000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea775e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630440
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85538000 r7:00000000 r6:83018600 r5:00001000 r4:7f04d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea3cb000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8577cf8c r4:85811f80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8577cf8c r4:85811f80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85538000 r8:85811fac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85811f80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85811f80 r8:80278fec r7:ea845e60 r6:85811e80 r5:85538000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea775fb0 to 0xea775ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85723540
INFO: task kworker/1:221:4811 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d9c27000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:222:4814 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:222   state:D stack:0     pid:4814  tgid:4814  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea851d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea851d8c r5:85530000
 r4:85530000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85530000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea851e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c6dac0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85530000 r7:00000000 r6:83018600 r5:00001000 r4:7f049000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e42e9000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8542a78c r4:8581f180
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8542a78c r4:8581f180
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85530000 r8:8581f1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581f180
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581f180 r8:80278fec r7:ea845e60 r6:8581f280 r5:85530000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea851fb0 to 0xea851ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85715680
INFO: task kworker/1:222:4814 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d9c27000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:223:4815 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:223   state:D stack:0     pid:4815  tgid:4815  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea84dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea84dd8c r5:85530c00
 r4:85530c00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85530c00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea84de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638480
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85530c00 r7:00000000 r6:83018600 r5:00001000 r4:7f031000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfc11000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c378c r4:8581f380
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:858c378c r4:8581f380
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85530c00 r8:8581f3ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581f380
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581f380 r8:80278fec r7:ea845e60 r6:8581f400 r5:85530c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea84dfb0 to 0xea84dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84cd7600
INFO: task kworker/1:223:4815 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: d9f1e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:224:4819 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:224   state:D stack:0     pid:4819  tgid:4819  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea815d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea815d8c r5:85532400
 r4:85532400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85532400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea815e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566ccc0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85532400 r7:00000000 r6:83018600 r5:00001000 r4:7f043000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e01cf000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85725f8c r4:8581f580
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85725f8c r4:8581f580
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85532400 r8:8581f5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581f580
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581f580 r8:80278fec r7:ea84de60 r6:8581f600 r5:85532400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea815fb0 to 0xea815ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85715c00
INFO: task kworker/1:224:4819 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: da1d2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:117:4820 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:117   state:D stack:0     pid:4820  tgid:4820  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea819d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea819d8c r5:857f2400
 r4:857f2400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f2400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea819e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6cb80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857f2400 r7:00000000 r6:83018400 r5:00001000 r4:7f083000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaed3000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84fc638c r4:85709500
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fc638c r4:85709500
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f2400 r8:8570952c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85709500
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85709500 r8:80278fec r7:ea809e60 r6:85821000 r5:857f2400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea819fb0 to 0xea819ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8581a000
INFO: task kworker/0:117:4820 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: da3f2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:118:4822 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:118   state:D stack:0     pid:4822  tgid:4822  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea871d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea871d8c r5:857f0c00
 r4:857f0c00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f0c00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea871e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85699900
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857f0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f08b000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaf67000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84fc838c r4:85821200
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fc838c r4:85821200
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f0c00 r8:8582122c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85821200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85821200 r8:80278fec r7:ea849e60 r6:85821280 r5:857f0c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea871fb0 to 0xea871ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8571b080
INFO: task kworker/0:118:4822 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: da47e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:119:4824 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:119   state:D stack:0     pid:4824  tgid:4824  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea829d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea829d8c r5:857f9800
 r4:857f9800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857f9800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea829e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670780
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857f9800 r7:00000000 r6:83018400 r5:00001000 r4:7f033000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfc67000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c2b8c r4:85821400
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c2b8c r4:85821400
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857f9800 r8:8582142c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85821400
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85821400 r8:80278fec r7:ea849e60 r6:85821480 r5:857f9800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea829fb0 to 0xea829ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:858241c0
INFO: task kworker/0:119:4824 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: da77b000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:120:4826 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:120   state:D stack:0     pid:4826  tgid:4826  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea81dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea81dd8c r5:857e5400
 r4:857e5400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857e5400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea81de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6cec0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857e5400 r7:00000000 r6:83018400 r5:00001000 r4:7f081000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaeb7000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84fc6f8c r4:85821380
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fc6f8c r4:85821380
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:857e5400 r8:858213ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85821380
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85821380 r8:80278fec r7:ea849e60 r6:85821580 r5:857e5400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea81dfb0 to 0xea81dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:858248c0
INFO: task kworker/0:120:4826 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: daa05000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:225:4831 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:225   state:D stack:0     pid:4831  tgid:4831  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea899d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea899d8c r5:85533000
 r4:85533000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85533000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea899e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855f2c40
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85533000 r7:00000000 r6:83018600 r5:00001000 r4:7f047000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e4289000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8542b78c r4:8581f700
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8542b78c r4:8581f700
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85533000 r8:8581f72c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581f700
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581f700 r8:80278fec r7:ea84de60 r6:8581f780 r5:85533000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea899fb0 to 0xea899ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8570df40
INFO: task kworker/1:225:4831 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: daa05000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:226:4833 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:226   state:D stack:0     pid:4833  tgid:4833  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8a5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8a5d8c r5:85533c00
 r4:85533c00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85533c00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a5e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85700900
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85533c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e011f000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586438c r4:8581f880
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8586438c r4:8581f880
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85533c00 r8:8581f8ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581f880
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581f880 r8:80278fec r7:ea84de60 r6:8581f900 r5:85533c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8a5fb0 to 0xea8a5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84e86040
INFO: task kworker/1:226:4833 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dadb2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:123:4836 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:123   state:D stack:0     pid:4836  tgid:4836  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8a1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea8a1d8c r5:84cab000
 r4:84cab000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84cab000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a1e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6c140
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84cab000 r7:00000000 r6:83018400 r5:00001000 r4:7f07b000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eae4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84fc578c r4:85821b00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fc578c r4:85821b00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84cab000 r8:85821b2c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85821b00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85821b00 r8:80278fec r7:ea849e60 r6:85821b80 r5:84cab000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8a1fb0 to 0xea8a1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85815c40
INFO: task kworker/0:123:4836 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:124:4838 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:124   state:D stack:0     pid:4838  tgid:4838  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea791d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea791d8c r5:84cac800
 r4:84cac800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84cac800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea791e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8583be40
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84cac800 r7:00000000 r6:83018400 r5:00001000 r4:7f075000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eadf7000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84fd7f8c r4:85821d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fd7f8c r4:85821d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84cac800 r8:85821d2c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85821d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85821d00 r8:80278fec r7:ea849e60 r6:85821d80 r5:84cac800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea791fb0 to 0xea791ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824600
INFO: task kworker/0:124:4838 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:126:4842 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:126   state:D stack:0     pid:4842  tgid:4842  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea859d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea859d8c r5:84cae000
 r4:84cae000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84cae000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea859e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84dde400
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84cae000 r7:00000000 r6:83018400 r5:00001000 r4:7f079000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eae2f000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84fd638c r4:85821700
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fd638c r4:85821700
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84cae000 r8:8582172c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85821700
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85821700 r8:80278fec r7:ea849e60 r6:85821100 r5:84cae000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea859fb0 to 0xea859ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8571ae80
INFO: task kworker/0:126:4842 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:127:4844 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:127   state:D stack:0     pid:4844  tgid:4844  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea85dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea85dd8c r5:84caec00
 r4:84caec00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:84caec00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea85de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cfd40
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84caec00 r7:00000000 r6:83018400 r5:00001000 r4:7f06f000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead85000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85768f8c r4:8582b080
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:85768f8c r4:8582b080
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:84caec00 r8:8582b0ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:8582b080
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8582b080 r8:80278fec r7:ea849e60 r6:8582b100 r5:84caec00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea85dfb0 to 0xea85dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8582a840
INFO: task kworker/0:127:4844 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:227:4860 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:227   state:D stack:0     pid:4860  tgid:4860  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea939d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea939d8c r5:85536c00
 r4:85536c00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85536c00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea939e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85700fc0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85536c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e009d000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85865f8c r4:8581fc00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85865f8c r4:8581fc00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85536c00 r8:8581fc2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581fc00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581fc00 r8:80278fec r7:ea84de60 r6:8581fc80 r5:85536c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea939fb0 to 0xea939ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85819240
INFO: task kworker/1:227:4860 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: db793000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:228:4861 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:228   state:D stack:0     pid:4861  tgid:4861  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8b1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b1d8c r5:85536000
 r4:85536000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85536000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b1e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8563fb40
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85536000 r7:00000000 r6:83018600 r5:00001000 r4:7f08f000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eafb3000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85867b8c r4:8581fd80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85867b8c r4:8581fd80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85536000 r8:8581fdac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581fd80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581fd80 r8:80278fec r7:ea84de60 r6:8581fe00 r5:85536000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8b1fb0 to 0xea8b1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85819440
INFO: task kworker/1:228:4861 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dba24000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:229:4863 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:229   state:D stack:0     pid:4863  tgid:4863  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8b9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b9d8c r5:85531800
 r4:85531800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85531800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b9e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855f3ec0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85531800 r7:00000000 r6:83018600 r5:00001000 r4:7f093000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eafff000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8587478c r4:8581fb80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8587478c r4:8581fb80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85531800 r8:8581fbac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:8581fb80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8581fb80 r8:80278fec r7:ea84de60 r6:8581fa00 r5:85531800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8b9fb0 to 0xea8b9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85819740
INFO: task kworker/1:229:4863 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dbd55000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:231:4867 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:231   state:D stack:0     pid:4867  tgid:4867  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea93dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea93dd8c r5:8580b000
 r4:8580b000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8580b000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea93de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638080
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580b000 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfbd3000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85874b8c r4:85813f80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85874b8c r4:85813f80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580b000 r8:85813fac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85813f80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85813f80 r8:80278fec r7:ea8b5e60 r6:8582bb00 r5:8580b000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea93dfb0 to 0xea93dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85819dc0
INFO: task kworker/1:231:4867 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:232:4869 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:232   state:D stack:0     pid:4869  tgid:4869  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea945d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea945d8c r5:8580bc00
 r4:8580bc00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8580bc00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571b180
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f091000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eafd7000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586778c r4:85831000
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8586778c r4:85831000
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580bc00 r8:8583102c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831000
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831000 r8:80278fec r7:ea8b5e60 r6:8582bc00 r5:8580bc00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea945fb0 to 0xea945ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85819c00
INFO: task kworker/1:232:4869 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:233:4871 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:233   state:D stack:0     pid:4871  tgid:4871  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8c1d84 r9:00000002 r8:60010113 r7:829171a0 r6:ea8c1d8c r5:85528000
 r4:85528000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85528000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8c1e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571a400
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85528000 r7:00000000 r6:83018600 r5:00001000 r4:7f089000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaf3b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85864f8c r4:85831080
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85864f8c r4:85831080
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85528000 r8:858310ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831080
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831080 r8:80278fec r7:ea8b5e60 r6:85831180 r5:85528000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8c1fb0 to 0xea8c1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85819900
INFO: task kworker/1:233:4871 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:234:4873 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:234   state:D stack:0     pid:4873  tgid:4873  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea94dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea94dd8c r5:85528c00
 r4:85528c00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85528c00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea94de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85647ac0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85528c00 r7:00000000 r6:83018600 r5:00001000 r4:7f08d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaf83000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586738c r4:85831280
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8586738c r4:85831280
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85528c00 r8:858312ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831280
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831280 r8:80278fec r7:ea8b5e60 r6:85831300 r5:85528c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea94dfb0 to 0xea94dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85819380
INFO: task kworker/1:234:4873 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dc173000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:235:4876 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:235   state:D stack:0     pid:4876  tgid:4876  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea97dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea97dd8c r5:8552a400
 r4:8552a400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8552a400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea97de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b62ec0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8552a400 r7:00000000 r6:83018600 r5:00001000 r4:7f085000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaef7000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586478c r4:85831480
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8586478c r4:85831480
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8552a400 r8:858314ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831480
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831480 r8:80278fec r7:ea8b5e60 r6:85831500 r5:8552a400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea97dfb0 to 0xea97dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85696c80
INFO: task kworker/1:235:4876 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dc173000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:236:4877 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:236   state:D stack:0     pid:4877  tgid:4877  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8bdd84 r9:00000002 r8:600b0113 r7:829171a0 r6:ea8bdd8c r5:85529800
 r4:85529800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85529800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8bde08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8401c0c0
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85529800 r7:00000000 r6:83018600 r5:00001000 r4:7f087000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eaf13000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586578c r4:85831400
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8586578c r4:85831400
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85529800 r8:8583142c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831400
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831400 r8:80278fec r7:ea8b5e60 r6:85831600 r5:85529800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8bdfb0 to 0xea8bdff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85723340
INFO: task kworker/1:236:4877 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dc2b6000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:237:4880 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:237   state:D stack:0     pid:4880  tgid:4880  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea9a5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9a5d8c r5:8552b000
 r4:8552b000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8552b000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a5e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638c00
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8552b000 r7:00000000 r6:83018600 r5:00001000 r4:7f073000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eadd3000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84d11b8c r4:85831700
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:84d11b8c r4:85831700
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8552b000 r8:8583172c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831700
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831700 r8:80278fec r7:ea8b5e60 r6:85831780 r5:8552b000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea9a5fb0 to 0xea9a5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8581a240
INFO: task kworker/1:237:4880 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dc646000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:238:4883 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:238   state:D stack:0     pid:4883  tgid:4883  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea88dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea88dd8c r5:8552c800
 r4:8552c800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8552c800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea88de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599e540
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8552c800 r7:00000000 r6:83018600 r5:00001000 r4:7f07f000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eae97000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586538c r4:85831900
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8586538c r4:85831900
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8552c800 r8:8583192c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831900
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831900 r8:80278fec r7:ea8b5e60 r6:85831980 r5:8552c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea88dfb0 to 0xea88dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8581ae40
INFO: task kworker/1:238:4883 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dc646000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:239:4887 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:239   state:D stack:0     pid:4887  tgid:4887  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d1d8c r5:8580e000
 r4:8580e000
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8580e000 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d1e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638400
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580e000 r7:00000000 r6:83018600 r5:00001000 r4:7f071000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eadb1000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85876b8c r4:85831a80
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85876b8c r4:85831a80
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580e000 r8:85831aac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831a80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831a80 r8:80278fec r7:ea8b5e60 r6:8582bf00 r5:8580e000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8d1fb0 to 0xea8d1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/1:239:4887 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dc820000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:240:4888 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:240   state:D stack:0     pid:4888  tgid:4888  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8d5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d5d8c r5:8580ec00
 r4:8580ec00
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8580ec00 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d5e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84cd4740
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580ec00 r7:00000000 r6:83018600 r5:00001000 r4:7f07d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eae6f000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8586678c r4:85831b00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:8586678c r4:85831b00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580ec00 r8:85831b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831b00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831b00 r8:80278fec r7:ea8d1e60 r6:8582bd00 r5:8580ec00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8d5fb0 to 0xea8d5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
INFO: task kworker/1:240:4888 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:241:4890 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:241   state:D stack:0     pid:4890  tgid:4890  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea8ddd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8ddd8c r5:8580d400
 r4:8580d400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8580d400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8dde08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff7500
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580d400 r7:00000000 r6:83018600 r5:00001000 r4:7f077000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:eae13000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85422b8c r4:85831c00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85422b8c r4:85831c00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580d400 r8:85831c2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831c00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831c00 r8:80278fec r7:ea8b5e60 r6:8582d000 r5:8580d400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea8ddfb0 to 0xea8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:855f25c0
INFO: task kworker/1:241:4890 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:259:4934 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:259   state:D stack:0     pid:4934  tgid:4934  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea99dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea99dd8c r5:85525400
 r4:85525400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85525400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854f0580
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85525400 r7:00000000 r6:83018600 r5:00001000 r4:7f003000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:df973000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858ccb8c r4:85828e00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:858ccb8c r4:85828e00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85525400 r8:85828e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85828e00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85828e00 r8:80278fec r7:ea9d1e60 r6:85828e80 r5:85525400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea99dfb0 to 0xea99dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8581d2c0
INFO: task kworker/1:259:4934 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:138:4949 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:138   state:D stack:0     pid:4949  tgid:4949  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea979d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea979d8c r5:85522400
 r4:85522400
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85522400 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea979e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815b00
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85522400 r7:00000000 r6:83018400 r5:00001000 r4:7f02b000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfb1f000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:84fc7f8c r4:85839480
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:84fc7f8c r4:85839480
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85522400 r8:858394ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85839480
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85839480 r8:80278fec r7:ea8c5e60 r6:8582e200 r5:85522400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea979fb0 to 0xea979ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8581a800
INFO: task kworker/0:138:4949 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dd2c0000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:139:4953 blocked for more than 431 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:139   state:D stack:0     pid:4953  tgid:4953  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea9d5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9d5d8c r5:85894800
 r4:85894800
[<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85894800 r4:8291719c
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9d5e08
 r4:00000000
[<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569ba80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85894800 r7:00000000 r6:83018400 r5:00001000 r4:7f035000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfce1000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:858c2f8c r4:85839580
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:858c2f8c r4:85839580
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:85894800 r8:858395ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:85839580
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85839580 r8:80278fec r7:ea8c5e60 r6:85839600 r5:85894800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea9d5fb0 to 0xea9d5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:856a06c0
INFO: task kworker/0:139:4953 is blocked on a mutex likely owned by task kworker/1:243:4894.
task:kworker/1:243   state:R  running task     stack:0     pid:4894  tgid:4894  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800
 r4:00000000
[<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea891d20 to 0xea891d68)
1d20: dda0d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0
1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10
1d60: 80000113 ffffffff
 r5:80000113 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08
 r4:ea891dc0
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80
 r4:00000000
[<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000
[<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ead4b000
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:85875f8c r4:85831d00
[<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:85831d00
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea891fb0 to 0xea891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:85824340
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:000e0013 r5:600e0093 r4:8225282c
[<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120)
[<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000001 r4:00000001
[<8021f904>] (dump_stack) from [<81a4e454>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81a4e2f4>] (nmi_cpu_backtrace) from [<81a4e5a0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff
[<81a4e470>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:8281ba28 r8:8280c810 r7:000220ae r6:00007bf0 r5:82abf7d4 r4:85c9c80c
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495)
[<8037f528>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:00000000 r8:8037f528 r7:832a1500 r6:832a1500 r5:832e8c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8d9fb0 to 0xdf8d9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:8333f640
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 2823 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194
LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]
LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603
pc : [<81a6e6a4>]    lr : [<80a8f60c>]    psr: 60000113
sp : eae85eb0  ip : eae85ec0  fp : eae85ebc
r10: 82959594  r9 : 00000000  r8 : 00000000
r7 : 00000117  r6 : 829594f8  r5 : 00000000  r4 : 00000001
r3 : 0000115c  r2 : 00000000  r1 : 60000113  r0 : 846e2c40
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 85c139c0  DAC: fffffffd
Call trace: 
[<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline])
[<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline])
[<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603)
[<80a8f5ec>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142)
[<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229)
 r6:8280c690 r5:84834800 r4:829594f8
[<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:829594f8 r8:802e37c8 r7:84814800 r6:84814800 r5:84834800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeae85fb0 to 0xeae85ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:84872f80

Crashes (704):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/29 18:28 upstream 19eef1d98eed 01c07bfe .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/25 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
2026/04/05 16:43 upstream 3aae9383f42f 4440e7c2 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/01 15:48 upstream 162b42445b58 6b8752f2 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/01/20 17:11 upstream 24d479d26b25 56f88057 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/01/15 17:44 upstream 944aacb68baf 56f88057 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/27 09:12 upstream 3f0e9c8cefa9 5dc09de1 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/25 23:35 upstream ccd1cdca5cd4 5dc09de1 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/25 13:03 upstream ccd1cdca5cd4 5dc09de1 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/20 17:11 upstream dd9b004b7ff3 e14dbeb9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/20 10:19 upstream dd9b004b7ff3 e14dbeb9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/20 03:12 upstream dd9b004b7ff3 e14dbeb9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/18 08:56 upstream ea1013c15392 a066d2bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/18 02:09 upstream ea1013c15392 a066d2bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/17 18:08 upstream ea1013c15392 a066d2bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/16 05:05 upstream 8f0b4cce4481 a066d2bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/15 10:46 upstream 8f0b4cce4481 a066d2bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/15 06:40 upstream 8f0b4cce4481 a066d2bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/14 23:36 upstream 8f0b4cce4481 a066d2bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/29 23:23 upstream 19eef1d98eed 01c07bfe .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/04/23 10:18 upstream 2a4c0c11c019 b10da5ec .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/04/03 07:52 upstream 5619b098e2fb 4440e7c2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/03/20 22:13 upstream 0e4f8f1a3d08 85bf2a64 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/03/11 10:12 upstream b4f0dd314b39 86914af9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/20 10:29 upstream 8bf22c33e7a1 17d780d6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/13 02:08 upstream 37a93dd5c49b 504cb1bf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/11 20:49 upstream 192c0159402e 75707236 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/10 21:44 upstream 72c395024dac a076df6f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/07 10:16 upstream 2687c848e578 f20fc9f9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/06 21:25 upstream b7ff7151e653 97745f52 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/04 22:32 upstream 5fd0a1df5d05 ea10c935 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/02/02 17:22 upstream 18f7fcd5e69a 018ebef2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/01/03 08:33 upstream 9b0436804460 e3fbc05e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/01/02 07:42 upstream b69053dd3ffb 2733a373 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/31 23:55 upstream c8ebd433459b 49aa01cc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/26 08:25 upstream ccd1cdca5cd4 5dc09de1 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/24 13:14 upstream b927546677c8 5dc09de1 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/21 05:49 upstream d8ba32c5a460 e14dbeb9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/20 07:40 upstream dd9b004b7ff3 e14dbeb9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/19 22:13 upstream dd9b004b7ff3 e14dbeb9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/17 12:27 upstream ea1013c15392 a066d2bc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/15 16:26 upstream 8f0b4cce4481 a066d2bc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/30 11:16 upstream 6bda50f4333f 01c07bfe .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/11/29 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
2025/07/11 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
2026/08/05 06:39 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 31996e14bd59 52aa2820 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/08/03 21:21 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 075b74841bd0 6b7c9f71 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/08/01 09:49 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master a2cf4ef33184 e611ffe1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/07/29 20:03 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master fc02acf6ac0c b63596d1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/07/27 19:32 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master f5098b6bae76 1f273138 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/07/26 19:29 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 3dab139d4795 492bab15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/07/26 17:56 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 3dab139d4795 492bab15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/07/26 11:55 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 3dab139d4795 492bab15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/07/03 00:01 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 4a50a141f05a 2b70b115 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/06/11 08:15 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 9716c086c8e8 b754d2d8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/05/27 19:33 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master eb3f4b7426cf cd9726af .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/05/15 14:50 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 70eda68668d1 9cd3beaa .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2026/04/24 21:56 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master dd6c438c3e64 9c2d0995 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/26 16:45 upstream ccd1cdca5cd4 5dc09de1 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2025/12/15 23:42 upstream 8f0b4cce4481 a066d2bc .config console log report syz / log C [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.