BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: xfs-inodegc/loop0 xfs_inodegc_worker Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (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:3855 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x140/0x2e0 kernel/locking/lockdep.c:5868 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 up+0x9c/0x170 kernel/locking/semaphore.c:225 xfs_buf_unlock+0x34/0x2d4 fs/xfs/xfs_buf.c:1004 xfs_buf_relse fs/xfs/xfs_buf.h:296 [inline] xfs_buf_item_release+0x370/0x648 fs/xfs/xfs_buf_item.c:-1 xfs_buf_item_committing+0x20/0x30 fs/xfs/xfs_buf_item.c:773 xlog_cil_commit+0x1b18/0x2710 fs/xfs/xfs_log_cil.c:1776 __xfs_trans_commit+0x370/0xc18 fs/xfs/xfs_trans.c:870 xfs_trans_roll+0x138/0x440 fs/xfs/xfs_trans.c:1033 xfs_defer_trans_roll+0x1d0/0x658 fs/xfs/libxfs/xfs_defer.c:479 xfs_defer_finish_noroll+0x7c0/0x12b8 fs/xfs/libxfs/xfs_defer.c:688 xfs_defer_finish+0x24/0x184 fs/xfs/libxfs/xfs_defer.c:741 xfs_bunmapi_range+0xd4/0x164 fs/xfs/libxfs/xfs_bmap.c:6169 xfs_itruncate_extents_flags+0x2e4/0x9c8 fs/xfs/xfs_inode.c:1077 xfs_itruncate_extents fs/xfs/xfs_inode.h:604 [inline] xfs_inactive_truncate+0x120/0x1ac fs/xfs/xfs_inode.c:1179 xfs_inactive+0x748/0xb74 fs/xfs/xfs_inode.c:1465 xfs_inodegc_inactivate fs/xfs/xfs_icache.c:1937 [inline] xfs_inodegc_worker+0x2e0/0x828 fs/xfs/xfs_icache.c:1983 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3421 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844