BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 333 Comm: kworker/u4:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
Workqueue: ocfs2_wq ocfs2_complete_recovery
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c 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:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 do_write_seqcount_begin_nested include/linux/seqlock.h:515 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:541 [inline]
 psi_group_change+0x240/0x1344 kernel/sched/psi.c:801
 psi_task_change+0xec/0x244 kernel/sched/psi.c:924
 psi_enqueue kernel/sched/stats.h:143 [inline]
 enqueue_task kernel/sched/core.c:2056 [inline]
 activate_task+0x220/0x240 kernel/sched/core.c:2088
 ttwu_do_activate+0x150/0x214 kernel/sched/core.c:3700
 ttwu_queue kernel/sched/core.c:3905 [inline]
 try_to_wake_up+0x424/0xc68 kernel/sched/core.c:4228
 wake_up_process+0x18/0x24 kernel/sched/core.c:4362
 wake_up_worker kernel/workqueue.c:859 [inline]
 insert_work+0x2a4/0x37c kernel/workqueue.c:1369
 __queue_work+0xcbc/0x1234 kernel/workqueue.c:1520
 queue_work_on+0xc0/0x164 kernel/workqueue.c:1548
 queue_work include/linux/workqueue.h:512 [inline]
 loop_queue_work drivers/block/loop.c:893 [inline]
 loop_queue_rq+0x94c/0xa7c drivers/block/loop.c:1874
 __blk_mq_issue_directly block/blk-mq.c:2643 [inline]
 __blk_mq_try_issue_directly+0x408/0x67c block/blk-mq.c:2696
 blk_mq_try_issue_directly+0x3c/0x1d8 block/blk-mq.c:2720
 blk_mq_submit_bio+0xff4/0x1be0 block/blk-mq.c:3057
 __submit_bio+0x1d8/0x260 block/blk-core.c:591
 __submit_bio_noacct_mq block/blk-core.c:668 [inline]
 submit_bio_noacct_nocheck+0x654/0xa14 block/blk-core.c:697
 submit_bio_noacct+0xcc0/0x16bc block/blk-core.c:808
 submit_bio+0x29c/0x3d0 block/blk-core.c:853
 submit_bh_wbc+0x384/0x44c fs/buffer.c:2702
 submit_bh+0x2c/0x3c fs/buffer.c:2707
 ocfs2_read_blocks+0xb18/0x1594 fs/ocfs2/buffer_head_io.c:330
 ocfs2_read_inode_block_full fs/ocfs2/inode.c:1596 [inline]
 ocfs2_read_inode_block+0xd8/0x184 fs/ocfs2/inode.c:1608
 ocfs2_dir_foreach_blk_id fs/ocfs2/dir.c:1764 [inline]
 ocfs2_dir_foreach_blk+0xd58/0x16b0 fs/ocfs2/dir.c:1927
 ocfs2_dir_foreach+0x168/0x1c0 fs/ocfs2/dir.c:1938
 ocfs2_queue_orphans fs/ocfs2/journal.c:2189 [inline]
 ocfs2_recover_orphans fs/ocfs2/journal.c:2273 [inline]
 ocfs2_complete_recovery+0xa1c/0x21a8 fs/ocfs2/journal.c:1340
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850