INFO: task jbd2/sda1-8:5162 blocked for more than 143 seconds.
Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:26456 pid:5162 tgid:5162 ppid:2 task_flags:0x240040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
io_schedule+0xbf/0x130 kernel/sched/core.c:7742
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
__wait_on_buffer+0x64/0x70 fs/buffer.c:123
wait_on_buffer include/linux/buffer_head.h:422 [inline]
jbd2_journal_commit_transaction+0x382e/0x6830 fs/jbd2/commit.c:808
kjournald2+0x1f4/0x760 fs/jbd2/journal.c:201
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz-executor:5817 blocked for more than 143 seconds.
Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:23272 pid:5817 tgid:5817 ppid:5816 task_flags:0x440100 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
io_schedule+0xbf/0x130 kernel/sched/core.c:7742
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x93d/0x12a0 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1241
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1be/0x320 fs/ext4/inode.c:5892
__ext4_mark_inode_dirty+0x197/0x870 fs/ext4/inode.c:6066
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6103
__mark_inode_dirty+0x1eb/0xe50 fs/fs-writeback.c:2527
generic_update_time+0xcf/0xf0 fs/inode.c:2064
inode_update_time fs/inode.c:2077 [inline]
__file_update_time fs/inode.c:2305 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2335
ext4_page_mkwrite+0x35e/0x1750 fs/ext4/inode.c:6221
do_page_mkwrite+0x171/0x380 mm/memory.c:3287
wp_page_shared mm/memory.c:3688 [inline]
do_wp_page+0xb9e/0x58e0 mm/memory.c:3907
handle_pte_fault mm/memory.c:6013 [inline]
__handle_mm_fault+0x1ada/0x2a40 mm/memory.c:6140
handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309
do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fb86c0689c5
RSP: 002b:00007ffe5df55920 EFLAGS: 00010202
RAX: 00007fb86936af28 RBX: 00007ffe5df55a20 RCX: 0000000000000000
RDX: 00007fb86936af24 RSI: 0000000000000008 RDI: 00007ffe5df55a20
RBP: 00000000000003e6 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffe5df55a00 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000950d8 R14: fffffffffff6af28 R15: 00000000000950d8
INFO: task syz.1.1777:13764 blocked for more than 144 seconds.
Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.1777 state:D stack:26488 pid:13764 tgid:13764 ppid:5835 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
io_schedule+0xbf/0x130 kernel/sched/core.c:7742
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x93d/0x12a0 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1241
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1be/0x320 fs/ext4/inode.c:5892
__ext4_mark_inode_dirty+0x197/0x870 fs/ext4/inode.c:6066
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6103
__mark_inode_dirty+0x1eb/0xe50 fs/fs-writeback.c:2527
generic_update_time+0xcf/0xf0 fs/inode.c:2064
inode_update_time fs/inode.c:2077 [inline]
__file_update_time fs/inode.c:2305 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2335
ext4_page_mkwrite+0x35e/0x1750 fs/ext4/inode.c:6221
do_page_mkwrite+0x171/0x380 mm/memory.c:3287
wp_page_shared mm/memory.c:3688 [inline]
do_wp_page+0xb9e/0x58e0 mm/memory.c:3907
handle_pte_fault mm/memory.c:6013 [inline]
__handle_mm_fault+0x1ada/0x2a40 mm/memory.c:6140
handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309
do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fddcd06eada
RSP: 002b:00007ffcd1c7a8e0 EFLAGS: 00010212
RAX: 0000001b2fef0928 RBX: 00007fddcdee5720 RCX: 0000001b2fef0920
RDX: 0000001b2fb20224 RSI: 0000000000000008 RDI: 00007fddcdee5720
RBP: ffffffff8230791b R08: 00007fddcd3b6118 R09: 00007fddcd3a2000
R10: 00007fddcc3fd008 R11: 0000000000000011 R12: 0000000000000011
R13: 0000000000000001 R14: ffffffff82307071 R15: 0000000000000001
INFO: task syz.2.1779:13771 blocked for more than 144 seconds.
Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.1779 state:D stack:25672 pid:13771 tgid:13771 ppid:5836 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
io_schedule+0xbf/0x130 kernel/sched/core.c:7742
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x93d/0x12a0 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1241
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1be/0x320 fs/ext4/inode.c:5892
__ext4_mark_inode_dirty+0x197/0x870 fs/ext4/inode.c:6066
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6103
__mark_inode_dirty+0x1eb/0xe50 fs/fs-writeback.c:2527
generic_update_time+0xcf/0xf0 fs/inode.c:2064
inode_update_time fs/inode.c:2077 [inline]
__file_update_time fs/inode.c:2305 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2335
ext4_page_mkwrite+0x35e/0x1750 fs/ext4/inode.c:6221
do_page_mkwrite+0x171/0x380 mm/memory.c:3287
wp_page_shared mm/memory.c:3688 [inline]
do_wp_page+0xb9e/0x58e0 mm/memory.c:3907
handle_pte_fault mm/memory.c:6013 [inline]
__handle_mm_fault+0x1ada/0x2a40 mm/memory.c:6140
handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309
do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fbde8e6eba8
RSP: 002b:00007ffecb27c110 EFLAGS: 00010202
RAX: fffffffffffe8c3c RBX: 00007fbde9ce5720 RCX: 0000001b30008c38
RDX: 0000001b2fc20220 RSI: 0000000000000004 RDI: 00007fbde9ce5720
RBP: ffffffff84c35dda R08: 00007fbde91b62d8 R09: 00007fbde91a2000
R10: 00007fbde69d5008 R11: 000000000000000b R12: 000000000000000b
R13: 0000000000000000 R14: ffffffff84c354b0 R15: 0000000000000000
INFO: task syz.2.1779:13773 blocked for more than 144 seconds.
Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.1779 state:D stack:27880 pid:13773 tgid:13771 ppid:5836 task_flags:0x400140 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
io_schedule+0xbf/0x130 kernel/sched/core.c:7742
folio_wait_bit_common+0x3d6/0x9e0 mm/filemap.c:1317
folio_wait_writeback+0x3c/0x90 mm/page-writeback.c:3149
__filemap_fdatawait_range+0x11f/0x200 mm/filemap.c:539
filemap_fdatawait_keep_errors+0x21/0x30 mm/filemap.c:633
wait_sb_inodes fs/fs-writeback.c:2714 [inline]
sync_inodes_sb+0x5fa/0xa70 fs/fs-writeback.c:2836
sync_filesystem+0x177/0x290 fs/sync.c:64
fs_bdev_sync+0x2c/0x40 fs/super.c:1435
blkdev_flushbuf block/ioctl.c:433 [inline]
blkdev_common_ioctl+0x1742/0x2480 block/ioctl.c:571
blkdev_ioctl+0x1cb/0x6d0 block/ioctl.c:698
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbde8f8e969
RSP: 002b:00007fbde9d10038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbde91b6080 RCX: 00007fbde8f8e969
RDX: 0000000000000000 RSI: 0000000000001261 RDI: 0000000000000005
RBP: 00007fbde9010ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbde91b6080 R15: 00007ffecb27c0d8
INFO: task syz.3.1780:13774 blocked for more than 145 seconds.
Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1780 state:D stack:26440 pid:13774 tgid:13774 ppid:5831 task_flags:0x440040 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
io_schedule+0xbf/0x130 kernel/sched/core.c:7742
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x93d/0x12a0 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1241
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1be/0x320 fs/ext4/inode.c:5892
__ext4_mark_inode_dirty+0x197/0x870 fs/ext4/inode.c:6066
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6103
__mark_inode_dirty+0x1eb/0xe50 fs/fs-writeback.c:2527
generic_update_time+0xcf/0xf0 fs/inode.c:2064
inode_update_time fs/inode.c:2077 [inline]
__file_update_time fs/inode.c:2305 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2335
ext4_page_mkwrite+0x35e/0x1750 fs/ext4/inode.c:6221
do_page_mkwrite+0x171/0x380 mm/memory.c:3287
wp_page_shared mm/memory.c:3688 [inline]
do_wp_page+0xb9e/0x58e0 mm/memory.c:3907
handle_pte_fault mm/memory.c:6013 [inline]
__handle_mm_fault+0x1ada/0x2a40 mm/memory.c:6140
handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309
do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f5021c60dd1
RSP: 002b:00007fff2ed27970 EFLAGS: 00010202
RAX: 0000001b2fd5ff78 RBX: 00007f5022ae5720 RCX: 0000000000000001
RDX: 0000001b2fd5ff77 RSI: 0000000000000008 RDI: 00007f5022ae5720
RBP: 00007f5021fb6038 R08: 0000000000000000 R09: 0000000000000026
R10: 0000000000000001 R11: 000676ccac939fed R12: 0000000000000001
R13: 0000000000000026 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/31:
#0: ffffffff8e3bf440 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e3bf440 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8e3bf440 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6764
3 locks held by syz-executor/5817:
#0: ffff888031e7d6c8 (vm_lock){++++}-{0:0}, at: do_user_addr_fault+0x452/0x1370 arch/x86/mm/fault.c:1328
#1: ffff888035938518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x171/0x380 mm/memory.c:3287
#2: ffff88803593c950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x5e4/0x1410 fs/jbd2/transaction.c:444
2 locks held by kworker/u8:9/6700:
#0: ffff8880b8439f18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:613 [inline]
#0: ffff8880b8439f18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:598
#1: ffff888012022018 (&pid_list->lock){-.-.}-{2:2}, at: trace_pid_list_is_set+0x4c/0x150 kernel/trace/pid_list.c:145
2 locks held by getty/10898:
#0: ffff888035ba10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc9000b23b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222
3 locks held by syz.1.1777/13764:
#0: ffff88802a39e448 (vm_lock){++++}-{0:0}, at: do_user_addr_fault+0x452/0x1370 arch/x86/mm/fault.c:1328
#1: ffff888035938518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x171/0x380 mm/memory.c:3287
#2: ffff88803593c950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x5e4/0x1410 fs/jbd2/transaction.c:444
3 locks held by syz.2.1779/13771:
#0: ffff88802939dd08 (vm_lock){++++}-{0:0}, at: do_user_addr_fault+0x452/0x1370 arch/x86/mm/fault.c:1328
#1: ffff888035938518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x171/0x380 mm/memory.c:3287
#2: ffff88803593c950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x5e4/0x1410 fs/jbd2/transaction.c:444
2 locks held by syz.2.1779/13773:
#0: ffff8880359380e0 (&type->s_umount_key#32){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
#0: ffff8880359380e0 (&type->s_umount_key#32){++++}-{4:4}, at: super_lock+0x31c/0x3f0 fs/super.c:120
#1: ffff888035938948 (&s->s_sync_lock){+.+.}-{4:4}, at: wait_sb_inodes fs/fs-writeback.c:2653 [inline]
#1: ffff888035938948 (&s->s_sync_lock){+.+.}-{4:4}, at: sync_inodes_sb+0x231/0xa70 fs/fs-writeback.c:2836
3 locks held by syz.3.1780/13774:
#0: ffff88807c77e308 (vm_lock){++++}-{0:0}, at: do_user_addr_fault+0x452/0x1370 arch/x86/mm/fault.c:1328
#1: ffff888035938518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x171/0x380 mm/memory.c:3287
#2: ffff88803593c950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x5e4/0x1410 fs/jbd2/transaction.c:444
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0 PREEMPT(full)
Tainted: [I]=FIRMWARE_WORKAROUND
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:274 [inline]
watchdog+0xf70/0x12c0 kernel/hung_task.c:437
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5064 Comm: kworker/u8:8 Tainted: G I 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0 PREEMPT(full)
Tainted: [I]=FIRMWARE_WORKAROUND
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
Workqueue: bat_events batadv_nc_worker
RIP: 0010:batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:409 [inline]
RIP: 0010:batadv_nc_worker+0x19f/0x1030 net/batman-adv/network-coding.c:719
Code: c6 e8 25 dc 83 f6 58 45 85 e4 0f 85 7e 0a 00 00 e8 d6 e0 83 f6 48 89 d8 48 c1 e8 03 42 80 3c 38 00 0f 85 8f 0d 00 00 4c 8b 33 <4d> 85 f6 0f 84 ba 06 00 00 e8 b3 e0 83 f6 49 81 ee c8 01 00 00 0f
RSP: 0018:ffffc9000ef7fb30 EFLAGS: 00000246
RAX: 1ffff1100c2ba868 RBX: ffff8880615d4340 RCX: ffffffff8b36c689
RDX: ffff888035a0da00 RSI: ffffffff8b36bbfa RDI: 0000000000000001
RBP: 0000000000000068 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881249ec000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055741d3aa168 CR3: 000000000e180000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245