------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 23142 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:167 [inline]
WARNING: CPU: 1 PID: 23142 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:156 [inline]
WARNING: CPU: 1 PID: 23142 at kernel/locking/lockdep.c:167 mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 23142 Comm: kworker/u4:1 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2dc/0x755 kernel/panic.c:219
 __warn.cold+0x20/0x4c kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:156 [inline]
RIP: 0010:mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643
Code: d0 7c 08 84 d2 0f 85 a8 0e 00 00 44 8b 1d 9d 6d 6e 08 45 85 db 75 b6 48 c7 c6 a0 26 ac 87 48 c7 c7 e0 26 ac 87 e8 2d 79 eb ff <0f> 0b 31 db e9 aa fe ff ff 48 c7 c7 e0 60 ae 8a e8 60 8e 54 00 e9
RSP: 0018:ffff888099b278d8 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815c26d6 RDI: ffffed1013364f0d
RBP: ffff888099b27928 R08: ffff888091df42c0 R09: fffffbfff11f40b9
R10: fffffbfff11f40b8 R11: ffffffff88fa05c3 R12: 0000000000000008
R13: ffff888091df4ba8 R14: 0000000000000000 R15: 00000000000c15b6
 mark_usage kernel/locking/lockdep.c:3592 [inline]
 __lock_acquire+0x538/0x4e70 kernel/locking/lockdep.c:3909
 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4487
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:159
 __wake_up_common_lock+0xc8/0x150 kernel/sched/wait.c:122
 __wake_up+0xe/0x10 kernel/sched/wait.c:142
 finish_writeback_work.isra.0+0xf6/0x120 fs/fs-writeback.c:168
 wb_do_writeback fs/fs-writeback.c:2030 [inline]
 wb_workfn+0x34f/0x11e0 fs/fs-writeback.c:2070
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..