BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 6525 Comm: kworker/u9:3 Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: bcachefs_journal journal_write_preflush
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
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 blk_kick_flush block/blk-flush.c:330 [inline]
 blk_flush_complete_seq+0x85c/0xad4 block/blk-flush.c:198
 blk_insert_flush+0x374/0x4b8 block/blk-flush.c:455
 blk_mq_submit_bio+0x15e8/0x1dd4 block/blk-mq.c:3204
 __submit_bio+0x1d8/0x4d8 block/blk-core.c:635
 __submit_bio_noacct_mq block/blk-core.c:722 [inline]
 submit_bio_noacct_nocheck+0x390/0xaac block/blk-core.c:751
 submit_bio_noacct+0xc84/0x176c block/blk-core.c:874
 submit_bio+0x354/0x4d4 block/blk-core.c:916
 journal_write_submit+0x8b4/0xf48 fs/bcachefs/journal_io.c:1871
 journal_write_preflush+0x188/0x84c fs/bcachefs/journal_io.c:1920
 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