INFO: task kworker/u8:1:12 blocked for more than 159 seconds.
Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:1 state:D stack:20248 pid:12 tgid:12 ppid:2 flags:0x00004000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__synchronize_srcu+0x357/0x400 kernel/rcu/srcutree.c:1433
fsnotify_connector_destroy_workfn+0x44/0xb0 fs/notify/mark.c:318
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:2:35 blocked for more than 160 seconds.
Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:2 state:D stack:20632 pid:35 tgid:35 ppid:2 flags:0x00004000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__synchronize_srcu+0x357/0x400 kernel/rcu/srcutree.c:1433
fsnotify_mark_destroy_workfn+0x146/0x350 fs/notify/mark.c:988
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:6:1332 blocked for more than 161 seconds.
Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:6 state:D stack:20984 pid:1332 tgid:1332 ppid:2 flags:0x00004000
Workqueue: events_unbound quota_release_workfn
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__synchronize_srcu+0x357/0x400 kernel/rcu/srcutree.c:1433
quota_release_workfn+0x132/0x650 fs/quota/dquot.c:818
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor:5823 blocked for more than 141 seconds.
Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:19616 pid:5823 tgid:5823 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa37/0xc50 kernel/workqueue.c:4231
flush_work kernel/workqueue.c:4252 [inline]
flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4274
invalidate_dquots fs/quota/dquot.c:576 [inline]
dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2294
shmem_disable_quotas mm/shmem.c:330 [inline]
shmem_put_super+0x8b/0x140 mm/shmem.c:4809
generic_shutdown_super+0x13b/0x2d0 fs/super.c:642
kill_anon_super fs/super.c:1237 [inline]
kill_litter_super+0x76/0xb0 fs/super.c:1247
deactivate_locked_super+0xc6/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x251/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f98ce781b77
RSP: 002b:00007ffe2278ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f98ce781b77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe2278cf20
RBP: 00007ffe2278cf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe2278dfa0
R13: 00007f98ce7f3824 R14: 0000000000093f60 R15: 00007ffe2278dfe0
INFO: task syz-executor:5826 blocked for more than 142 seconds.
Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20544 pid:5826 tgid:5826 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa37/0xc50 kernel/workqueue.c:4231
flush_work kernel/workqueue.c:4252 [inline]
flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4274
invalidate_dquots fs/quota/dquot.c:576 [inline]
dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2294
ext4_quota_off+0xf0/0x580 fs/ext4/super.c:7180
ext4_quotas_off fs/ext4/super.c:1192 [inline]
ext4_put_super+0xee/0xd50 fs/ext4/super.c:1307
generic_shutdown_super+0x13b/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7379
deactivate_locked_super+0xc6/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x251/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f571fd81b77
RSP: 002b:00007ffd153d3548 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f571fd81b77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd153d3600
RBP: 00007ffd153d3600 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd153d4680
R13: 00007f571fdf3824 R14: 000000000009695f R15: 00007ffd153d46c0
INFO: task syz-executor:5828 blocked for more than 164 seconds.
Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:18800 pid:5828 tgid:5828 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa37/0xc50 kernel/workqueue.c:4231
flush_work kernel/workqueue.c:4252 [inline]
flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4274
invalidate_dquots fs/quota/dquot.c:576 [inline]
dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2294
ext4_quota_off+0xf0/0x580 fs/ext4/super.c:7180
ext4_quotas_off fs/ext4/super.c:1192 [inline]
ext4_put_super+0xee/0xd50 fs/ext4/super.c:1307
generic_shutdown_super+0x13b/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7379
deactivate_locked_super+0xc6/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x251/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f27ff581b77
RSP: 002b:00007ffe72caec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f27ff581b77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe72caed00
RBP: 00007ffe72caed00 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe72cafd80
R13: 00007f27ff5f3824 R14: 0000000000091407 R15: 00007ffe72cafdc0
Showing all locks held in the system:
2 locks held by kworker/u8:1/12:
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90000117d00 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000117d00 (connector_reaper_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
1 lock held by khungtaskd/30:
#0: ffffffff8e93c5a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e93c5a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e93c5a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
2 locks held by kworker/u8:2/35:
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90000ab7d00 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000ab7d00 ((reaper_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
2 locks held by kworker/u8:6/1332:
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc900049efd00 ((quota_release_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900049efd00 ((quota_release_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
2 locks held by getty/5575:
#0: ffff88814de930a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900032fb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor/5823:
#0: ffff88805219c0e0 (&type->s_umount_key#97){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88805219c0e0 (&type->s_umount_key#97){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88805219c0e0 (&type->s_umount_key#97){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
1 lock held by syz-executor/5826:
#0: ffff88803339c0e0 (&type->s_umount_key#31){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88803339c0e0 (&type->s_umount_key#31){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88803339c0e0 (&type->s_umount_key#31){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
1 lock held by syz-executor/5828:
#0: ffff8880598400e0 (&type->s_umount_key#31){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880598400e0 (&type->s_umount_key#31){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880598400e0 (&type->s_umount_key#31){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
2 locks held by kworker/0:3/5883:
3 locks held by kworker/0:5/5927:
4 locks held by kworker/0:6/5928:
3 locks held by kworker/u8:11/21846:
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5927 Comm: kworker/0:5 Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient neigh_periodic_work
RIP: 0010:unwind_next_frame+0x132/0x22d0
Code: 48 c1 e8 03 48 89 44 24 28 42 0f b6 04 20 84 c0 0f 85 b8 19 00 00 4c 0f be 7d 00 48 8b 44 24 30 42 80 3c 20 00 48 8b 5c 24 18 <74> 08 48 89 df e8 a4 af be 00 4c 03 3b 49 ff cf 4c 89 6c 24 08 4c
RSP: 0018:ffffc90000007450 EFLAGS: 00000046
RAX: 1ffff92000000ead RBX: ffffc90000007568 RCX: ffffffff9a404903
RDX: dffffc0000000000 RSI: ffffffff82008ecf RDI: 0000000000000001
RBP: ffffc90000007555 R08: 0000000000000000 R09: ffffc90000007610
R10: dffffc0000000000 R11: ffffffff8181a620 R12: dffffc0000000000
R13: ffffc90000007520 R14: ffffffff82008ecf R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558092d588 CR3: 000000000e738000 CR4: 0000000000350ef0
Call Trace:
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2338 [inline]
slab_free mm/slub.c:4598 [inline]
kfree+0x196/0x430 mm/slub.c:4746
dummy_timer+0x7f4/0x4620 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820
handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655
irq_exit_rcu+0x9/0x30 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7078
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 05 8f 92 f5 e8 c0 48 cc f5 fb bf 01 00 00 00 85 ab ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 85 67 2f f6 48
RSP: 0018:ffffc900046bf900 EFLAGS: 00000286
RAX: c9a368282d6fae00 RBX: 1ffff920008d7f28 RCX: ffffffff8171939a
RDX: dffffc0000000000 RSI: ffffffff8c0ad980 RDI: 0000000000000001
RBP: ffffc900046bf9c0 R08: ffffffff942fd947 R09: 1ffffffff285fb28
R10: dffffc0000000000 R11: fffffbfff285fb29 R12: 1ffff920008d7f20
R13: 1ffff920008d7f24 R14: ffffc900046bf920 R15: dffffc0000000000
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:389
Code: 8c e8 04 25 71 0a 65 66 8b 05 74 9f ab 7e 66 85 c0 75 5d bf 01 00 00 00 e8 8d bc 0b 00 e8 a8 74 45 00 fb 65 8b 05 38 9f ab 7e <85> c0 75 05 e8 b7 80 a8 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc900046bfa80 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 1ffff920008d7f54 RCX: ffffffff8171939a
RDX: dffffc0000000000 RSI: ffffffff8c0ad980 RDI: ffffffff8c615f60
RBP: ffffc900046bfb28 R08: ffffffff942fd947 R09: 1ffffffff285fb28
R10: dffffc0000000000 R11: fffffbfff285fb29 R12: dffffc0000000000
R13: 1ffff920008d7f58 R14: ffffc900046bfac0 R15: 0000000000000201
neigh_periodic_work+0xbcb/0xde0 net/core/neighbour.c:968
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244