BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 4132 Comm: kworker/u4:6 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: ocfs2_wq ocfs2_complete_recovery Call trace: dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline] validate_chain kernel/locking/lockdep.c:3756 [inline] __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0xb0/0x10c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] ocfs2_inode_cache_lock+0x20/0x30 fs/ocfs2/inode.c:1627 ocfs2_metadata_cache_lock fs/ocfs2/uptodate.c:74 [inline] ocfs2_buffer_cached+0x7c/0x900 fs/ocfs2/uptodate.c:233 ocfs2_buffer_uptodate+0x8c/0xac fs/ocfs2/uptodate.c:273 ocfs2_read_blocks+0x2bc/0x13f0 fs/ocfs2/buffer_head_io.c:271 ocfs2_read_inode_block_full fs/ocfs2/inode.c:1593 [inline] ocfs2_read_inode_block+0xd4/0x178 fs/ocfs2/inode.c:1605 ocfs2_dir_foreach_blk_id fs/ocfs2/dir.c:1764 [inline] ocfs2_dir_foreach_blk+0xd54/0x1680 fs/ocfs2/dir.c:1927 ocfs2_dir_foreach+0x114/0x158 fs/ocfs2/dir.c:1938 ocfs2_queue_orphans fs/ocfs2/journal.c:2165 [inline] ocfs2_recover_orphans fs/ocfs2/journal.c:2249 [inline] ocfs2_complete_recovery+0xaf0/0x1ec0 fs/ocfs2/journal.c:1311 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855