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Message-ID: <0000000000009fcc26060e8757ad@google.com>
Date: Tue, 09 Jan 2024 10:18:33 -0800
From: syzbot <syzbot+fe8f8efd070d727de971@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, linux-modules@...r.kernel.org,
mcgrof@...nel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [modules?] INFO: task hung in _vm_unmap_aliases (3)
Hello,
syzbot found the following issue on:
HEAD commit: 610a9b8f49fb Linux 6.7-rc8
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=137c4981e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=c1d9baf5d2241e14
dashboard link: https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971
compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12d5c931e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14e4e3d9e80000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/8ead8862021c/non_bootable_disk-610a9b8f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/5dcc5fecebbd/vmlinux-610a9b8f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ac6cb620d377/zImage-610a9b8f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fe8f8efd070d727de971@...kaller.appspotmail.com
INFO: task kworker/0:1:9 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:0 pid:9 tgid:9 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:df83dda4 r5:82dee000
r4:82dee000
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:82dee000 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16005 r9:df83de30 r8:00000000 r7:ffffffff r6:00000000 r5:84791b40
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84791b40
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:847f7400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f077000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:ea91f000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:847f7750 r4:82c0bc00
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:82dee000 r8:00000000 r7:dddd12c0 r6:82c16000 r5:847f7750 r4:82c0bc00
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:82dee000 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:82c0bc2c
r4:82c0bc00
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df839e90 r8:82cb8640 r7:82c0bc00 r6:80266bfc r5:82dee000
r4:82cb8100
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
dfa0: 00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e198 r4:82cb8100
INFO: task kworker/1:3:117 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:0 pid:117 tgid:117 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:df981da4 r5:834f6c00
r4:834f6c00
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:834f6c00 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16205 r9:df981e30 r8:00000000 r7:ffffffff r6:00000000 r5:846de4c0
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846de4c0
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:844ee400 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f00b000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:df93b000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:844ee750 r4:82e58f80
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:834f6c00 r8:00000080 r7:ddde42c0 r6:82c16200 r5:844ee750 r4:82e58f80
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:834f6c00 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:82e58fac
r4:82e58f80
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df999e90 r8:83421500 r7:82e58f80 r6:80266bfc r5:834f6c00
r4:82eb9e40
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf981fb0 to 0xdf981ff8)
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 r5:8026e198 r4:82eb9e40
INFO: task kworker/0:3:1564 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:0 pid:1564 tgid:1564 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:eada5da4 r5:8362a400
r4:8362a400
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:8362a400 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16005 r9:eada5e30 r8:00000000 r7:ffffffff r6:00000000 r5:8481e980
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8481e980
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:847ef000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0db000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:e487d000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:847ef350 r4:83e72200
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:8362a400 r8:00000000 r7:dddd12c0 r6:82c16000 r5:847ef350 r4:83e72200
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:8362a400 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:83e7222c
r4:83e72200
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df839e90 r8:8385d7c0 r7:83e72200 r6:80266bfc r5:8362a400
r4:83e76d40
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xeada5fb0 to 0xeada5ff8)
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 r5:8026e198 r4:83e76d40
INFO: task kworker/0:0:3003 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D stack:0 pid:3003 tgid:3003 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:df9a5da4 r5:82dfe000
r4:82dfe000
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:82dfe000 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16005 r9:df9a5e30 r8:00000000 r7:ffffffff r6:00000000 r5:8481e900
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8481e900
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:847eec00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0d9000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:e486f000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:847eef50 r4:84563380
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:82dfe000 r8:00000000 r7:dddd12c0 r6:82c16000 r5:847eef50 r4:84563380
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:82dfe000 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:845633ac
r4:84563380
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:eada5e90 r8:84551600 r7:84563380 r6:80266bfc r5:82dfe000
r4:83ee7880
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9a5fb0 to 0xdf9a5ff8)
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 r5:8026e198 r4:83ee7880
INFO: task kworker/1:1:3010 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:0 pid:3010 tgid:3010 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:df88dda4 r5:82dfbc00
r4:82dfbc00
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:82dfbc00 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16205 r9:df88de30 r8:00000000 r7:ffffffff r6:00000000 r5:8478a640
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8478a640
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:84652400 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f165000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:eab0f000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:84652750 r4:84395d00
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:82dfbc00 r8:00000080 r7:ddde42c0 r6:82c16200 r5:84652750 r4:84395d00
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:82dfbc00 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:84395d2c
r4:84395d00
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df981e90 r8:83e7cdc0 r7:84395d00 r6:80266bfc r5:82dfbc00
r4:82cc8fc0
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf88dfb0 to 0xdf88dff8)
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 r5:8026e198 r4:82cc8fc0
INFO: task kworker/1:4:3011 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:0 pid:3011 tgid:3011 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:df9a1da4 r5:82df9800
r4:82df9800
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:82df9800 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16205 r9:df9a1e30 r8:00000000 r7:ffffffff r6:00000000 r5:8461bc00
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8461bc00
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:848f7400 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f083000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:dfb79000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:848f7750 r4:84395e00
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:82df9800 r8:00000080 r7:ddde42c0 r6:82c16200 r5:848f7750 r4:84395e00
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:82df9800 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:84395e2c
r4:84395e00
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df88de90 r8:84556c80 r7:84395e00 r6:80266bfc r5:82df9800
r4:82cc8fc0
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9a1fb0 to 0xdf9a1ff8)
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 r5:8026e198 r4:82cc8fc0
INFO: task kworker/1:5:3013 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D stack:0 pid:3013 tgid:3013 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:df98dda4 r5:83e66000
r4:83e66000
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:83e66000 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16205 r9:df98de30 r8:00000000 r7:ffffffff r6:00000000 r5:84836400
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84836400
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:847ab800 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f029000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:df995000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:847abb50 r4:84395b80
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:83e66000 r8:00000080 r7:ddde42c0 r6:82c16200 r5:847abb50 r4:84395b80
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:83e66000 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:84395bac
r4:84395b80
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df9a1e90 r8:82cc8fc0 r7:84395b80 r6:80266bfc r5:83e66000
r4:83dc4f40
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf98dfb0 to 0xdf98dff8)
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 r5:8026e198 r4:83dc4f40
INFO: task kworker/0:2:3016 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:0 pid:3016 tgid:3016 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:df9bdda4 r5:83e51800
r4:83e51800
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:83e51800 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16005 r9:df9bde30 r8:00000000 r7:ffffffff r6:00000000 r5:84832040
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84832040
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:847f4c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f02d000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:dfa03000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:847f4f50 r4:84563400
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:83e51800 r8:00000000 r7:dddd12c0 r6:82c16000 r5:847f4f50 r4:84563400
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:83e51800 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:8456342c
r4:84563400
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:eada5e90 r8:8453a140 r7:84563400 r6:80266bfc r5:83e51800
r4:8356cc40
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9bdfb0 to 0xdf9bdff8)
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 r5:8026e198 r4:8356cc40
INFO: task kworker/0:4:3017 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4 state:D stack:0 pid:3017 tgid:3017 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:df9c5da4 r5:83e50000
r4:83e50000
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:83e50000 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16005 r9:df9c5e30 r8:00000000 r7:ffffffff r6:00000000 r5:8481ec00
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8481ec00
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:847ef800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f125000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:e889b000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:847efb50 r4:84563480
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:83e50000 r8:00000000 r7:dddd12c0 r6:82c16000 r5:847efb50 r4:84563480
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:83e50000 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:845634ac
r4:84563480
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df9bde90 r8:8453a700 r7:84563480 r6:80266bfc r5:83e50000
r4:840eafc0
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9c5fb0 to 0xdf9c5ff8)
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 r5:8026e198 r4:840eafc0
INFO: task kworker/0:5:3019 blocked for more than 450 seconds.
Not tainted 6.7.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:0 pid:3019 tgid:3019 ppid:2 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace:
[<81855408>] (__schedule) from [<81856028>] (__schedule_loop kernel/sched/core.c:6763 [inline])
[<81855408>] (__schedule) from [<81856028>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778)
r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:df9cdda4 r5:83e53c00
r4:83e53c00
[<81855ffc>] (schedule) from [<818565d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835)
r5:83e53c00 r4:8270dad0
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<818565b8>] (schedule_preempt_disabled) from [<81858eb8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<81858bd0>] (__mutex_lock.constprop.0) from [<81859784>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:82c16005 r9:df9cde30 r8:00000000 r7:ffffffff r6:00000000 r5:8481ed40
r4:00000000
[<81859770>] (__mutex_lock_slowpath) from [<818597c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81859788>] (mutex_lock) from [<804898b0>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80489850>] (_vm_unmap_aliases) from [<8048d450>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8481ed40
r4:00000000
[<8048d2e0>] (vfree) from [<802e9a2c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
r9:847efc00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f127000
[<802e99fc>] (module_memfree) from [<80386f54>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1023)
r5:00001000 r4:e88a3000
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_binary_free kernel/bpf/core.c:1069 [inline])
[<80386f44>] (bpf_jit_free_exec) from [<80387114>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1194)
[<803870ac>] (bpf_jit_free) from [<80387318>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2744)
r5:847eff50 r4:84563500
[<80387190>] (bpf_prog_free_deferred) from [<802668f4>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2627)
r9:83e53c00 r8:00000000 r7:dddd12c0 r6:82c16000 r5:847eff50 r4:84563500
[<80266758>] (process_one_work) from [<80266e3c>] (process_scheduled_works kernel/workqueue.c:2700 [inline])
[<80266758>] (process_one_work) from [<80266e3c>] (worker_thread+0x240/0x48c kernel/workqueue.c:2781)
r10:61c88647 r9:83e53c00 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:8456352c
r4:84563500
[<80266bfc>] (worker_thread) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df9bde90 r8:83d869c0 r7:84563500 r6:80266bfc r5:83e53c00
r4:840eafc0
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9cdfb0 to 0xdf9cdff8)
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 r5:8026e198 r4:840eafc0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.7.0-rc8-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace:
[<8183402c>] (dump_backtrace) from [<81834128>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
r7:00000000 r6:00000113 r5:60000193 r4:81fc0e84
[<81834110>] (show_stack) from [<818516ac>] (__dump_stack lib/dump_stack.c:88 [inline])
[<81834110>] (show_stack) from [<818516ac>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<81851664>] (dump_stack_lvl) from [<818516d0>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
r5:00000000 r4:00000001
[<818516b8>] (dump_stack) from [<818213e0>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81821280>] (nmi_cpu_backtrace) from [<8182152c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff
[<818213fc>] (nmi_trigger_cpumask_backtrace) from [<802104d4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
r9:827df3df r8:8289ceb4 r7:8260c5e4 r6:00007d6b r5:8261adc8 r4:848fef2c
[<802104bc>] (arch_trigger_cpumask_backtrace) from [<80346b50>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<802104bc>] (arch_trigger_cpumask_backtrace) from [<80346b50>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline])
[<802104bc>] (arch_trigger_cpumask_backtrace) from [<80346b50>] (watchdog+0x48c/0x59c kernel/hung_task.c:379)
[<803466c4>] (watchdog) from [<8026e29c>] (kthread+0x104/0x134 kernel/kthread.c:388)
r10:00000000 r9:df819e58 r8:82e21340 r7:00000000 r6:803466c4 r5:82e70c00
r4:82ec6940
[<8026e198>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
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
r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e198 r4:82ec6940
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2801 Comm: klogd Not tainted 6.7.0-rc8-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at 0x76da8608
LR is at 0x76d8d764
pc : [<76da8608>] lr : [<76d8d764>] psr: 20000010
sp : 7eedebc8 ip : 76e70e78 fp : 76f4a21a
r10: 76e70e60 r9 : 00000006 r8 : 76e70e60
r7 : 7eedebf4 r6 : 7eedebf8 r5 : 7eedec14 r4 : 01bfb1a8
r3 : 01bfb258 r2 : 01bfb008 r1 : 00002000 r0 : 00000001
Flags: nzCv IRQs on FIQs on Mode USER_32 ISA ARM Segment none
Control: 30c5387d Table: 842afd80 DAC: 00000000
Backtrace: invalid frame pointer 0x76f4a21a
---
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