INFO: task syz-executor.5:11755 blocked for more than 143 seconds.
Not tainted 6.4.0-rc1-syzkaller-00025-gd295b66a7b66 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24360 pid:11755 ppid:5038 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
io_schedule+0x8c/0x100 kernel/sched/core.c:8979
bit_wait_io+0x12/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit_lock+0xbd/0x1a0 kernel/sched/wait_bit.c:90
out_of_line_wait_on_bit_lock+0x1d4/0x250 kernel/sched/wait_bit.c:117
wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline]
__lock_buffer fs/buffer.c:70 [inline]
lock_buffer include/linux/buffer_head.h:406 [inline]
__sync_dirty_buffer+0x120/0x380 fs/buffer.c:2807
__ext4_handle_dirty_metadata+0x2a6/0x820 fs/ext4/ext4_jbd2.c:387
ext4_convert_inline_data_nolock+0xaba/0xd80 fs/ext4/inline.c:1252
ext4_convert_inline_data+0x4da/0x620 fs/ext4/inline.c:2063
ext4_fallocate+0x14e/0x2000 fs/ext4/extents.c:4708
vfs_fallocate+0x54b/0x6b0 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xbd/0x100 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5bc5e8c169
RSP: 002b:00007f5bc49fe168 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f5bc5fabf80 RCX: 00007f5bc5e8c169
RDX: 0000000000000cc8 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f5bc5ee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6ded66af R14: 00007f5bc49fe300 R15: 0000000000022000
INFO: task syz-executor.5:11780 blocked for more than 144 seconds.
Not tainted 6.4.0-rc1-syzkaller-00025-gd295b66a7b66 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26936 pid:11780 ppid:5038 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:775 [inline]
process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
ima_file_check+0xf1/0x170 security/integrity/ima/ima_main.c:539
do_open fs/namei.c:3638 [inline]
path_openat+0x280a/0x3170 fs/namei.c:3791
do_filp_open+0x234/0x490 fs/namei.c:3818
do_sys_openat2+0x13f/0x500 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_open fs/open.c:1380 [inline]
__se_sys_open fs/open.c:1376 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1376
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5bc5e8c169
RSP: 002b:00007f5bbc6dd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f5bc5fac050 RCX: 00007f5bc5e8c169
RDX: 0000000000000000 RSI: 0000000000143142 RDI: 0000000020002000
RBP: 00007f5bc5ee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6ded66af R14: 00007f5bbc6dd300 R15: 0000000000022000
INFO: task syz-executor.5:11782 blocked for more than 144 seconds.
Not tainted 6.4.0-rc1-syzkaller-00025-gd295b66a7b66 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26936 pid:11782 ppid:5038 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:775 [inline]
process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
ima_file_check+0xf1/0x170 security/integrity/ima/ima_main.c:539
do_open fs/namei.c:3638 [inline]
path_openat+0x280a/0x3170 fs/namei.c:3791
do_filp_open+0x234/0x490 fs/namei.c:3818
do_sys_openat2+0x13f/0x500 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_open fs/open.c:1380 [inline]
__se_sys_open fs/open.c:1376 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1376
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5bc5e8c169
RSP: 002b:00007f5bbc6bc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f5bc5fac120 RCX: 00007f5bc5e8c169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002000
RBP: 00007f5bc5ee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6ded66af R14: 00007f5bbc6bc300 R15: 0000000000022000
INFO: task syz-executor.5:11785 blocked for more than 145 seconds.
Not tainted 6.4.0-rc1-syzkaller-00025-gd295b66a7b66 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26936 pid:11785 ppid:5038 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:775 [inline]
process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
ima_file_check+0xf1/0x170 security/integrity/ima/ima_main.c:539
do_open fs/namei.c:3638 [inline]
path_openat+0x280a/0x3170 fs/namei.c:3791
do_filp_open+0x234/0x490 fs/namei.c:3818
do_sys_openat2+0x13f/0x500 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_open fs/open.c:1380 [inline]
__se_sys_open fs/open.c:1376 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1376
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5bc5e8c169
RSP: 002b:00007f5bbc49b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f5bc5fac1f0 RCX: 00007f5bc5e8c169
RDX: 0000000000000100 RSI: 0000000000040280 RDI: 0000000020000300
RBP: 00007f5bc5ee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6ded66af R14: 00007f5bbc49b300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by kworker/u4:0/10:
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffff8880b98287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:996
2 locks held by kworker/u4:1/12:
#0: ffff8880b983c1d8 (
&rq->__lock
){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff8880b99287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:996
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf27670 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf27a30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
2 locks held by kworker/1:0/22:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc900001c7d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
1 lock held by khungtaskd/28:
#0: ffffffff8cf274a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by udevd/4448:
2 locks held by getty/4752:
#0: ffff88802914f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
1 lock held by syz-executor.1/5049:
#0: ffff88803deda0e0 (&type->s_umount_key#58){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:361
2 locks held by kworker/0:5/5087:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc90005b1fd20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
3 locks held by kworker/1:9/5352:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc90006897d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
#2: ffffffff8cf2cb78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#2: ffffffff8cf2cb78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:992
2 locks held by kworker/1:14/5357:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc90006547d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
3 locks held by kworker/0:17/6251:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc900167e7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
#2: ffffffff8cf2cb78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#2: ffffffff8cf2cb78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46c/0x890 kernel/rcu/tree_exp.h:992
1 lock held by kworker/u4:8/6388:
#0: ffff8880b993c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
3 locks held by syz-executor.5/11755:
#0: ffff88802bec2460 (sb_writers#4){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2522 [inline]
#0: ffff88802bec2460 (sb_writers#4){.+.+}-{0:0}, at: vfs_fallocate+0x4be/0x6b0 fs/open.c:323
#1: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: ext4_fallocate+0x146/0x2000 fs/ext4/extents.c:4707
#2: ffff88803a2b14c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff88803a2b14c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_convert_inline_data+0x3b6/0x620 fs/ext4/inline.c:2061
1 lock held by syz-executor.5/11780:
#0: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#0: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
1 lock held by syz-executor.5/11782:
#0: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#0: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
2 locks held by syz-executor.5/11785:
#0: ffff88802bec2460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394
#1: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff88803a2b1800 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
3 locks held by syz-executor.2/11953:
#0: ffff888087a7a460 (sb_writers#4){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2522 [inline]
#0: ffff888087a7a460 (sb_writers#4){.+.+}-{0:0}, at: vfs_fallocate+0x4be/0x6b0 fs/open.c:323
#1: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: ext4_fallocate+0x146/0x2000 fs/ext4/extents.c:4707
#2: ffff88802f6cc6c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#2: ffff88802f6cc6c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_convert_inline_data+0x3b6/0x620 fs/ext4/inline.c:2061
1 lock held by syz-executor.2/11977:
#0: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#0: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
1 lock held by syz-executor.2/11978:
#0: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#0: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
2 locks held by syz-executor.2/11980:
#0: ffff888087a7a460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394
#1: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff88802f6cca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
1 lock held by udevd/12055:
#0: ffff888148c934b0 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff888148c934b0 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:226
4 locks held by syz-executor.2/13074:
1 lock held by syz-executor.2/13075:
#0: ffff88803a2b4a00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#0: ffff88803a2b4a00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
2 locks held by syz-executor.2/13077:
#0: ffff88814c0e8460 (sb_writers#4){.+.+}-{0:0}, at: do_sendfile+0x5fb/0xff0 fs/read_write.c:1253
#1: ffff88803a2b4a00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff88803a2b4a00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: ext4_buffered_write_iter+0xaf/0x3a0 fs/ext4/file.c:283
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc1-syzkaller-00025-gd295b66a7b66 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 75 Comm: kworker/u4:4 Not tainted 6.4.0-rc1-syzkaller-00025-gd295b66a7b66 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:24 [inline]
RIP: 0010:lock_acquire+0xdc/0x520 kernel/locking/lockdep.c:5662
Code: 08 0f 83 e6 02 00 00 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 28 c0 55 8e be 08 00 00 00 e8 9c 39 78 00 48 0f a3 1d dc c2 ea 0c <73> 0d e8 ed 4b 09 00 84 c0 0f 84 bb 02 00 00 48 c7 c0 d4 f4 55 8e
RSP: 0018:ffffc900015879e0 EFLAGS: 00000257
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff816afd44
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e55c028
RBP: ffffc90001587b30 R08: dffffc0000000000 R09: fffffbfff1cab806
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920002b0f44
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880438ef0d0
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000207e2000 CR3: 000000000cd30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:355 [inline]
batadv_nc_purge_paths+0xe8/0x3a0 net/batman-adv/network-coding.c:442
batadv_nc_worker+0x30f/0x5c0 net/batman-adv/network-coding.c:722
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308