BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 6494 Comm: syz-executor322 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3856 [inline] validate_chain kernel/locking/lockdep.c:3877 [inline] __lock_acquire+0xf50/0x3058 kernel/locking/lockdep.c:5235 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5866 touch_wq_lockdep_map+0xa8/0x164 kernel/workqueue.c:3907 __flush_workqueue+0xfc/0x109c kernel/workqueue.c:3949 xlog_cil_push_now fs/xfs/xfs_log_cil.c:1643 [inline] xlog_cil_force_seq+0x154/0x608 fs/xfs/xfs_log_cil.c:1845 xlog_cil_force fs/xfs/xfs_log_priv.h:569 [inline] xfs_log_force+0x1cc/0x94c fs/xfs/xfs_log.c:2916 xfs_fs_sync_fs+0x120/0x400 fs/xfs/xfs_super.c:815 sync_filesystem+0x1a0/0x218 fs/sync.c:66 generic_shutdown_super+0x70/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x20/0x58 fs/xfs/xfs_super.c:2246 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1431 __cleanup_mnt+0x20/0x30 fs/namespace.c:1438 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x16c/0x1ec 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+0xb4/0x17c arch/arm64/kernel/entry-common.c:768 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop4): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791