XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 PID: 6289 Comm: syz-executor199 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 register_lock_class+0x568/0x6ac kernel/locking/lockdep.c:1321 __lock_acquire+0x184/0x763c kernel/locking/lockdep.c:5014 lock_acquire+0x248/0x73c kernel/locking/lockdep.c:5754 touch_wq_lockdep_map+0x98/0x118 kernel/workqueue.c:3901 __flush_workqueue+0x118/0x1174 kernel/workqueue.c:3943 drain_workqueue+0xb8/0x32c kernel/workqueue.c:4107 destroy_workqueue+0xb8/0xdc0 kernel/workqueue.c:5673 xfs_destroy_mount_workqueues+0xac/0xdc fs/xfs/xfs_super.c:603 xfs_fs_put_super+0x108/0x124 fs/xfs/xfs_super.c:1141 generic_shutdown_super+0x128/0x2b8 fs/super.c:641 kill_block_super+0x44/0x90 fs/super.c:1675 xfs_kill_sb+0x20/0x58 fs/xfs/xfs_super.c:2026 deactivate_locked_super+0xc4/0x12c fs/super.c:472 deactivate_super+0xe0/0x100 fs/super.c:505 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1267 __cleanup_mnt+0x20/0x30 fs/namespace.c:1274 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop3): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791