syzbot


INFO: task hung in _vm_unmap_aliases (3)

Status: upstream: reported C repro on 2024/01/09 18:18
Subsystems: modules
[Documentation on labels]
Reported-by: syzbot+fe8f8efd070d727de971@syzkaller.appspotmail.com
First crash: 291d, last: 13d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [modules?] INFO: task hung in _vm_unmap_aliases (3) 0 (1) 2024/01/09 18:18
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in _vm_unmap_aliases kernel 1 1430d 1430d 0/27 auto-closed as invalid on 2020/11/17 05:59
upstream INFO: task hung in _vm_unmap_aliases (2) modules 1 580d 580d 0/27 auto-obsoleted due to no activity on 2023/04/08 08:01
Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/06/13 14:12 17m retest repro upstream report log
2024/05/16 10:45 15m retest repro upstream report log
2024/04/30 21:15 14m retest repro upstream report log
2024/04/30 21:15 1h14m retest repro upstream report log
2024/04/30 21:15 14m retest repro upstream report log
2024/04/30 21:15 14m retest repro upstream report log
2024/04/30 21:15 13m retest repro upstream report log
2024/04/16 20:03 14m retest repro upstream report log
2024/04/16 20:03 14m retest repro upstream report log
2024/04/16 20:03 14m retest repro upstream report log

Sample crash report:
INFO: task kworker/0:1:10 blocked for more than 450 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:0     pid:10    tgid:10    ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16005 r9:00000000 r8:82714b74 r7:00000002 r6:df841d94 r5:82e2ec00
 r4:82e2ec00
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:82e2ec00 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:df841e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d7d080
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d7d080
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:82e2ec00 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0cd000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:eadbf000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84ced754 r4:84ced400
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:dddd00c0 r6:82c16000 r5:84ced754 r4:82cb2000
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:82e2ec00 r9:82cb202c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0
 r4:82cb2000
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df839e90 r8:82cb1b40 r7:82cb2000 r6:80267c04 r5:82e2ec00
 r4:82cb1940
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf841fb0 to 0xdf841ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:82cb1940
INFO: task kworker/1:0:24 blocked for more than 450 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:0     pid:24    tgid:24    ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:df87dd94 r5:82e3b000
 r4:82e3b000
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:82e3b000 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df87de20 r8:00000000 r7:ffffffff r6:00000000 r5:8503b4c0
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8503b4c0
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:82e3b000 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f013000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:df95d000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84c5e354 r4:84c5e000
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:84c5e354 r4:82cb2180
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:82e3b000 r9:82cb21ac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:82cb2180
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df819d60 r8:82cc3e40 r7:82cb2180 r6:80267c04 r5:82e3b000
 r4:82cc3c00
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf87dfb0 to 0xdf87dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:82cc3c00
INFO: task kworker/1:1:45 blocked for more than 450 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:0     pid:45    tgid:45    ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:df919d94 r5:82ebbc00
 r4:82ebbc00
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:82ebbc00 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df919e20 r8:00000000 r7:ffffffff r6:00000000 r5:8437f080
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8437f080
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:82ebbc00 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f015000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:df883000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84bccb54 r4:84bcc800
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:84bccb54 r4:82fb5400
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:82ebbc00 r9:82fb542c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:82fb5400
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df87de90 r8:82fb47c0 r7:82fb5400 r6:80267c04 r5:82ebbc00
 r4:82fb46c0
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf919fb0 to 0xdf919ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:82fb46c0
INFO: task kworker/0:3:123 blocked for more than 450 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D stack:0     pid:123   tgid:123   ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16005 r9:00000000 r8:82714b74 r7:00000002 r6:dfa09d94 r5:836bd400
 r4:836bd400
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:836bd400 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:dfa09e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d97c80
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d97c80
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:836bd400 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0c7000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:ead75000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84ce3f54 r4:84ce3c00
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:dddd00c0 r6:82c16000 r5:84ce3f54 r4:836cc300
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:836bd400 r9:836cc32c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0
 r4:836cc300
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:dfa01e90 r8:836d1340 r7:836cc300 r6:80267c04 r5:836bd400
 r4:836d1240
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfa09fb0 to 0xdfa09ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:836d1240
INFO: task kworker/1:2:3019 blocked for more than 450 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:0     pid:3019  tgid:3019  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:df9a9d94 r5:83e80c00
 r4:83e80c00
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:83e80c00 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df9a9e20 r8:00000000 r7:ffffffff r6:00000000 r5:843bcf80
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:843bcf80
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:83e80c00 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f013000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:df981000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84bcff54 r4:84bcfc00
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:84bcff54 r4:83473680
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:83e80c00 r9:834736ac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:83473680
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df87de90 r8:836d10c0 r7:83473680 r6:80267c04 r5:83e80c00
 r4:82f03140
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9a9fb0 to 0xdf9a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:82f03140
INFO: task kworker/1:3:3032 blocked for more than 450 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:0     pid:3032  tgid:3032  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:df9edd94 r5:83e82400
 r4:83e82400
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:83e82400 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df9ede20 r8:00000000 r7:ffffffff r6:00000000 r5:84e16e40
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e16e40
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:83e82400 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f0ed000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:eb11f000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84c5cf54 r4:84c5cc00
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:84c5cf54 r4:83473880
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:83e82400 r9:834738ac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:83473880
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df87de90 r8:849b2640 r7:83473880 r6:80267c04 r5:83e82400
 r4:84250540
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9edfb0 to 0xdf9edff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:84250540
INFO: task kworker/1:4:3033 blocked for more than 451 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:3033  tgid:3033  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:df9f5d94 r5:82e98000
 r4:82e98000
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:82e98000 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df9f5e20 r8:00000000 r7:ffffffff r6:00000000 r5:866d7b00
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866d7b00
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:82e98000 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f3bf000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:eb349000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:86381354 r4:86381000
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:86381354 r4:83473800
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:82e98000 r9:8347382c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:83473800
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df87de90 r8:849b2cc0 r7:83473800 r6:80267c04 r5:82e98000
 r4:84250540
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9f5fb0 to 0xdf9f5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:84250540
INFO: task kworker/1:5:3035 blocked for more than 451 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:0     pid:3035  tgid:3035  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:dfa4dd94 r5:82e9a400
 r4:82e9a400
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:82e9a400 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfa4de20 r8:00000000 r7:ffffffff r6:00000000 r5:8533cc00
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8533cc00
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:82e9a400 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f179000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:eb6f3000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84c5ef54 r4:84c5ec00
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:84c5ef54 r4:83473980
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:82e9a400 r9:834739ac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:83473980
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df9f5e90 r8:83c02800 r7:83473980 r6:80267c04 r5:82e9a400
 r4:84364dc0
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfa4dfb0 to 0xdfa4dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:84364dc0
INFO: task kworker/1:6:3038 blocked for more than 451 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:0     pid:3038  tgid:3038  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:dfa8dd94 r5:82e2d400
 r4:82e2d400
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:82e2d400 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfa8de20 r8:00000000 r7:ffffffff r6:00000000 r5:8580ad80
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8580ad80
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:82e2d400 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f245000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:ed389000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:843e3754 r4:843e3400
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:843e3754 r4:83473900
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:82e2d400 r9:8347392c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:83473900
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df9f5e90 r8:849ca280 r7:83473900 r6:80267c04 r5:82e2d400
 r4:8438d080
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfa8dfb0 to 0xdfa8dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:8438d080
INFO: task kworker/1:7:3039 blocked for more than 451 seconds.
      Not tainted 6.10.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7     state:D stack:0     pid:3039  tgid:3039  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818f4db8>] (__schedule) from [<818f59bc>] (__schedule_loop kernel/sched/core.c:6822 [inline])
[<818f4db8>] (__schedule) from [<818f59bc>] (schedule+0x2c/0xfc kernel/sched/core.c:6837)
 r10:82c16205 r9:00000000 r8:82714b74 r7:00000002 r6:dfaadd94 r5:84154800
 r4:84154800
[<818f5990>] (schedule) from [<818f5fcc>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894)
 r5:84154800 r4:82714b70
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818f5fb4>] (schedule_preempt_disabled) from [<818f88b4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818f85cc>] (__mutex_lock.constprop.0) from [<818f9180>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfaade20 r8:00000000 r7:ffffffff r6:00000000 r5:85923280
 r4:00000000
[<818f916c>] (__mutex_lock_slowpath) from [<818f91c0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818f9184>] (mutex_lock) from [<804a5088>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2828)
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vm_reset_perms mm/vmalloc.c:3257 [inline])
[<804a5028>] (_vm_unmap_aliases) from [<804a8ee4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3336)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85923280
 r4:00000000
[<804a8d74>] (vfree) from [<804fb7cc>] (execmem_free+0x30/0x64 mm/execmem.c:69)
 r9:84154800 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f27d000
[<804fb79c>] (execmem_free) from [<80395668>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1073)
 r5:00001000 r4:eb407000
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_binary_free kernel/bpf/core.c:1119 [inline])
[<80395658>] (bpf_jit_free_exec) from [<80395a48>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1243)
[<803959e0>] (bpf_jit_free) from [<80396b7c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2803)
 r5:84c79354 r4:84c79000
[<80396a30>] (bpf_prog_free_deferred) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231)
 r7:ddde40c0 r6:82c16200 r5:84c79354 r4:83473a00
[<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393)
 r10:84154800 r9:83473a2c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:83473a00
[<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df9f5e90 r8:849ca340 r7:83473a00 r6:80267c04 r5:84154800
 r4:8438d040
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfaadfb0 to 0xdfaadff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:8438d040
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 1
CPU: 1 PID: 32 Comm: khungtaskd Not tainted 6.10.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
Call trace: 
[<818d3698>] (dump_backtrace) from [<818d3794>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:00000113 r5:60000193 r4:81fe11d0
[<818d377c>] (show_stack) from [<818f0dc0>] (__dump_stack lib/dump_stack.c:88 [inline])
[<818d377c>] (show_stack) from [<818f0dc0>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114)
[<818f0d50>] (dump_stack_lvl) from [<818f0de4>] (dump_stack+0x18/0x1c lib/dump_stack.c:123)
 r5:00000001 r4:00000001
[<818f0dcc>] (dump_stack) from [<818c0994>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<818c0834>] (nmi_cpu_backtrace) from [<818c0ae0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000001 r6:8260c5d0 r5:8261a7cc r4:ffffffff
[<818c09b0>] (nmi_trigger_cpumask_backtrace) from [<802103c8>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:00000001 r8:828a51a0 r7:8260c734 r6:00007d6b r5:8261ad88 r4:8639821c
[<802103b0>] (arch_trigger_cpumask_backtrace) from [<80352730>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline])
[<802103b0>] (arch_trigger_cpumask_backtrace) from [<80352730>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline])
[<802103b0>] (arch_trigger_cpumask_backtrace) from [<80352730>] (watchdog+0x48c/0x59c kernel/hung_task.c:379)
[<803522a4>] (watchdog) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:df819e58 r8:82cc6e00 r7:00000000 r6:803522a4 r5:82e3e000
 r4:82f9e900
[<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf8e1fb0 to 0xdf8e1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:82f9e900
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2816 Comm: syslogd Not tainted 6.10.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at mutex_unlock+0x0/0x44 kernel/locking/mutex.c:543
LR is at __unix_dgram_recvmsg+0x2cc/0x4c8 net/unix/af_unix.c:2470
pc : [<818f753c>]    lr : [<81686e80>]    psr: 60000013
sp : ec3a1da0  ip : dddd4928  fp : ec3a1e24
r10: 00000000  r9 : 0000007a  r8 : 0000007a
r7 : 84446000  r6 : 82cfe634  r5 : 82cfe400  r4 : 85084480
r3 : 835b6c00  r2 : 00000000  r1 : 00000000  r0 : 82cfe634
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 84304800  DAC: fffffffd
Call trace: 
[<81686bb4>] (__unix_dgram_recvmsg) from [<816870c0>] (unix_dgram_recvmsg+0x44/0x4c net/unix/af_unix.c:2486)
 r10:00000001 r9:00000000 r8:01ee31d0 r7:00000000 r6:84446000 r5:ec3a1e68
 r4:8168707c
[<8168707c>] (unix_dgram_recvmsg) from [<813cfe78>] (sock_recvmsg_nosec net/socket.c:1046 [inline])
[<8168707c>] (unix_dgram_recvmsg) from [<813cfe78>] (sock_recvmsg+0x50/0x78 net/socket.c:1068)
 r4:8168707c
[<813cfe28>] (sock_recvmsg) from [<813cff44>] (sock_read_iter+0xa4/0xfc net/socket.c:1138)
 r7:84446000 r6:843d6540 r5:ec3a1f08 r4:ec3a1ef0
[<813cfea0>] (sock_read_iter) from [<805013fc>] (new_sync_read fs/read_write.c:395 [inline])
[<813cfea0>] (sock_read_iter) from [<805013fc>] (vfs_read+0x2ec/0x31c fs/read_write.c:476)
 r7:00000000 r6:835b6c00 r5:000000ff r4:843d6540
[<80501110>] (vfs_read) from [<80501e8c>] (ksys_read+0xc4/0xf8 fs/read_write.c:619)
 r10:00000003 r9:835b6c00 r8:8020029c r7:000000ff r6:01ee31d0 r5:843d6540
 r4:843d6540
[<80501dc8>] (ksys_read) from [<80501ed0>] (__do_sys_read fs/read_write.c:629 [inline])
[<80501dc8>] (ksys_read) from [<80501ed0>] (sys_read+0x10/0x14 fs/read_write.c:627)
 r7:00000003 r6:01ee32d0 r5:76f135a0 r4:fffffc00
[<80501ec0>] (sys_read) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xec3a1fa8 to 0xec3a1ff0)
1fa0:                   fffffc00 76f135a0 00000000 01ee31d0 000000ff 00000000
1fc0: fffffc00 76f135a0 01ee32d0 00000003 00000000 01ee31c8 76ed854c 76ed8548
1fe0: 76ed79f8 7e9abc70 76e4d2ec 76d5b2fc

Crashes (115):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2024/07/06 06:40 upstream d270dd21bee0 bc4ebbb5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/07/04 21:05 upstream 795c58e4c7fc dc6bbff0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/07/04 08:44 upstream 8a9c6c40432e 3f2748a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/07/04 07:53 upstream 8a9c6c40432e 3f2748a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/06/27 10:34 upstream 24ca36a562d6 5c045c04 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/06/25 11:01 upstream 55027e689933 215eef4a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/06/16 17:24 upstream a3e18a540541 f429ab00 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/05/02 00:35 upstream 0106679839f7 3ba885bc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/25 20:57 upstream 4cece7649650 0ea90952 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/25 16:07 upstream 4cece7649650 0ea90952 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/25 14:34 upstream 4cece7649650 0ea90952 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/24 11:48 upstream 70293240c5ce 0ea90952 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/23 06:47 upstream bfa8f18691ed 0ea90952 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/23 02:54 upstream bfa8f18691ed 0ea90952 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/22 18:08 upstream 8e938e398669 4b6cdce6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/22 17:01 upstream 8e938e398669 4b6cdce6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/20 16:11 upstream a4145ce1e7bc 5b7d42ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/20 14:14 upstream a4145ce1e7bc 5b7d42ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/19 20:22 upstream d95fcdf4961d e104824c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/19 14:22 upstream b3603fcb79b1 e104824c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/13 05:42 upstream 1f440397665f db5b7ff0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/11 13:20 upstream e8f897f4afef 6ee49f2e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/09 14:18 upstream 09e5c48fea17 6ee49f2e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/08 15:27 upstream 3aaa8ce7a335 8e75c913 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/07 11:54 upstream 67be068d31d4 f39a7eed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/06 16:52 upstream 5847c9777c30 f39a7eed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/06 10:09 upstream 29cd507cbec2 f39a7eed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/03/05 13:44 upstream 90d35da658da 9ed46f64 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/25 17:48 upstream ab0a97cffa0b 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/25 10:34 upstream ab0a97cffa0b 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/25 00:48 upstream f2e367d6ad3b 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/23 02:13 upstream 1c892cdd8fe0 bbb79582 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/21 01:28 upstream fca7526b7d89 3af7dd65 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/19 16:22 upstream b401b621758e 96e91f57 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/18 21:09 upstream c02197fc9076 578f7538 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/18 14:14 upstream c02197fc9076 578f7538 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/17 00:42 upstream 0f1dd5e91e2b 578f7538 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/10 12:46 upstream 4a7bbe7519b6 77b23aa1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/09 20:39 upstream e6f39a90de92 77b23aa1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/02/01 20:29 upstream 5c24e4e9e708 d61103fc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/30 22:14 upstream 861c0981648f 7f400fcb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/30 22:11 upstream 861c0981648f 7f400fcb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/26 00:03 upstream 6098d87eaf31 cc4a4020 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2024/01/25 20:18 upstream 6098d87eaf31 cc4a4020 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
2023/12/25 04:12 upstream 861deac3b092 fb427a07 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in _vm_unmap_aliases
* Struck through repros no longer work on HEAD.