XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 6210 Comm: syz-executor803 Not tainted 6.8.0-rc3-syzkaller-gf735966ee23c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline] validate_chain kernel/locking/lockdep.c:3837 [inline] __lock_acquire+0x1c58/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 __flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146 drain_workqueue+0xb8/0x32c kernel/workqueue.c:3311 destroy_workqueue+0xb8/0xdc4 kernel/workqueue.c:4793 xfs_destroy_mount_workqueues+0x3c/0xdc fs/xfs/xfs_super.c:599 xfs_fs_put_super+0x108/0x124 fs/xfs/xfs_super.c:1143 generic_shutdown_super+0x128/0x2b8 fs/super.c:646 kill_block_super+0x44/0x90 fs/super.c:1680 xfs_kill_sb+0x20/0x58 fs/xfs/xfs_super.c:2026 deactivate_locked_super+0xc4/0x144 fs/super.c:477 deactivate_super+0xe0/0x100 fs/super.c:510 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+0x214c/0x393c arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791