BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 760 Comm: kworker/u8:6 Not tainted 6.16.0-rc4-syzkaller-g7482bb149b9f #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: xfs_iwalk-9816 xfs_pwork_work Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:501 (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:3858 [inline] validate_chain kernel/locking/lockdep.c:3879 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5240 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5871 __mutex_lock_common+0x1d0/0x2190 kernel/locking/mutex.c:602 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 xfs_dqlock fs/xfs/xfs_dquot.h:131 [inline] xfs_qm_dqget_cache_insert fs/xfs/xfs_dquot.c:869 [inline] xfs_qm_dqget+0x248/0x584 fs/xfs/xfs_dquot.c:936 xfs_qm_quotacheck_dqadjust+0xc4/0x558 fs/xfs/xfs_qm.c:1333 xfs_qm_dqusage_adjust+0x4e8/0x5b0 fs/xfs/xfs_qm.c:1473 xfs_iwalk_ag_recs+0x42c/0x7e0 fs/xfs/xfs_iwalk.c:209 xfs_iwalk_run_callbacks+0x1c0/0x3f0 fs/xfs/xfs_iwalk.c:370 xfs_iwalk_ag+0x6ac/0x82c fs/xfs/xfs_iwalk.c:476 xfs_iwalk_ag_work+0xfc/0x1a8 fs/xfs/xfs_iwalk.c:625 xfs_pwork_work+0x80/0x1a4 fs/xfs/xfs_pwork.c:47 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3402 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847