BUG: workqueue leaked lock or atomic: kworker/u4:15/0x00000001/29707
last function: wb_workfn
CPU: 1 PID: 29707 Comm: kworker/u4:15 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
dump_stack+0x15/0x17 lib/dump_stack.c:113
process_one_work+0x8d8/0xc10 kernel/workqueue.c:2340
worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
BUG: workqueue leaked lock or atomic: kworker/u4:15/0x00000001/29707
last function: wb_workfn
CPU: 1 PID: 29707 Comm: kworker/u4:15 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
dump_stack+0x15/0x17 lib/dump_stack.c:113
process_one_work+0x8d8/0xc10 kernel/workqueue.c:2340
process_scheduled_works kernel/workqueue.c:2388 [inline]
worker_thread+0xe02/0x12a0 kernel/workqueue.c:2474
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
BUG: scheduling while atomic: kworker/u4:15/29707/0x00000002
Modules linked in:
Preemption disabled at:
[] spin_lock include/linux/spinlock.h:363 [inline]
[] ext4_do_update_inode fs/ext4/inode.c:5089 [inline]
[] ext4_mark_iloc_dirty+0x307/0x3f40 fs/ext4/inode.c:5791
CPU: 1 PID: 29707 Comm: kworker/u4:15 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: 0x0 (flush-8:0)
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
dump_stack+0x15/0x17 lib/dump_stack.c:113
__schedule_bug+0x195/0x260 kernel/sched/core.c:5707
schedule_debug kernel/sched/core.c:5734 [inline]
__schedule+0xd19/0x1590 kernel/sched/core.c:6402
schedule+0x11f/0x1e0 kernel/sched/core.c:6595
worker_thread+0xf7f/0x12a0 kernel/workqueue.c:2493
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298