BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 1920 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: ocfs2_wq ocfs2_complete_recovery 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+0x14c/0x2e0 kernel/locking/lockdep.c:5868 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154 __queue_work+0x8b4/0x1210 kernel/workqueue.c:-1 queue_work_on+0xdc/0x18c kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:669 [inline] loop_queue_work drivers/block/loop.c:864 [inline] loop_queue_rq+0x944/0xaa8 drivers/block/loop.c:1891 __blk_mq_issue_directly block/blk-mq.c:2704 [inline] blk_mq_request_issue_directly+0x2c0/0x560 block/blk-mq.c:2791 blk_mq_issue_direct+0x254/0x558 block/blk-mq.c:2812 blk_mq_dispatch_queue_requests+0x568/0x674 block/blk-mq.c:2887 blk_mq_flush_plug_list+0x370/0x488 block/blk-mq.c:2970 __blk_flush_plug+0x330/0x408 block/blk-core.c:1225 blk_finish_plug block/blk-core.c:1252 [inline] __submit_bio+0x3f4/0x4d8 block/blk-core.c:651 __submit_bio_noacct_mq block/blk-core.c:724 [inline] submit_bio_noacct_nocheck+0x29c/0x9a4 block/blk-core.c:755 submit_bio_noacct+0xde0/0x186c block/blk-core.c:879 submit_bio+0x3b4/0x550 block/blk-core.c:921 submit_bh_wbc+0x3ec/0x4bc fs/buffer.c:2824 submit_bh+0x30/0x40 fs/buffer.c:2829 ocfs2_read_blocks+0xb54/0x14f4 fs/ocfs2/buffer_head_io.c:330 ocfs2_read_inode_block_full fs/ocfs2/inode.c:1690 [inline] ocfs2_read_inode_block+0xd4/0x178 fs/ocfs2/inode.c:1702 ocfs2_dir_foreach_blk_id fs/ocfs2/dir.c:1770 [inline] ocfs2_dir_foreach_blk+0xc6c/0x14bc fs/ocfs2/dir.c:1933 ocfs2_dir_foreach+0x4c/0x7c fs/ocfs2/dir.c:1944 ocfs2_queue_orphans fs/ocfs2/journal.c:2222 [inline] ocfs2_recover_orphans fs/ocfs2/journal.c:2306 [inline] ocfs2_complete_recovery+0xb08/0x1ecc fs/ocfs2/journal.c:1373 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844