BTRFS info (device loop3): last unmount of filesystem cc1268eb-797b-41e9-a91f-b62796841160
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 PID: 27701 Comm: syz-executor.3 Not tainted 6.8.0-rc7-syzkaller-00260-gfa4b851b4ad6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 register_lock_class+0x822/0x980 kernel/locking/lockdep.c:1321
 __lock_acquire+0xd9/0x1fd0 kernel/locking/lockdep.c:5014
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 __flush_workqueue+0x174/0x1630 kernel/workqueue.c:3146
 close_ctree+0x307/0xd40 fs/btrfs/disk-io.c:4297
 generic_shutdown_super+0x136/0x2d0 fs/super.c:641
 kill_anon_super+0x3b/0x70 fs/super.c:1225
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2093
 deactivate_locked_super+0xc4/0x130 fs/super.c:472
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x24e/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:108 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
 syscall_exit_to_user_mode+0x167/0x360 kernel/entry/common.c:212
 do_syscall_64+0x108/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb9e8a7f0d7
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff68dda0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb9e8a7f0d7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007fff68dda1a0
RBP: 00007fff68dda1a0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff68ddb260
R13: 00007fb9e8ac93b9 R14: 000000000025e597 R15: 0000000000000006
 </TASK>
BTRFS info (device loop3): last unmount of filesystem 62a131cd-b09b-4e8f-9726-ca0d19eddb4a
BTRFS info (device loop3): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop3): last unmount of filesystem 5c6f43b1-fbee-49f2-9db7-673fe2788c1e
BTRFS info (device loop3): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop3): last unmount of filesystem 210cdac1-9690-4d19-8c5f-9b6f6bab83db
BTRFS info (device loop3): last unmount of filesystem dde3a817-7446-4bf4-8e6a-7c63caa56d3e
BTRFS info (device loop3): last unmount of filesystem 4b01af70-5a21-4ad7-aec1-478796d4e3bb
BTRFS info (device loop3): last unmount of filesystem 00ae26b7-cea0-4963-b2b2-c8374f4d641b
BTRFS info (device loop3): last unmount of filesystem 65bee739-89c5-4ed2-9f35-9f375b928d73
BTRFS info (device loop3): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop3): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop3): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop3): last unmount of filesystem 1e1351d9-fe3b-4df0-b481-489a743aea23
BTRFS info (device loop3): last unmount of filesystem ce5a2e4a-7dae-4ec5-b9a0-bc7cbffca06a
BTRFS info (device loop3): last unmount of filesystem fef99883-276d-4ee6-b333-caebb9d6d46d
BTRFS info (device loop3): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop3): last unmount of filesystem cd6d577c-030b-4598-a8bd-5b0d27e823d3