BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 2 PID: 5280 Comm: kworker/2:3 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7-dirty #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: bcachefs_write_ref bch2_delete_dead_snapshots_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114 add_chain_cache kernel/locking/lockdep.c:3735 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline] validate_chain kernel/locking/lockdep.c:3837 [inline] __lock_acquire+0x2ea6/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 do_write_seqcount_begin_nested include/linux/seqlock.h:469 [inline] do_write_seqcount_begin include/linux/seqlock.h:495 [inline] psi_account_irqtime+0x2a3/0x510 kernel/sched/psi.c:1016 update_rq_clock_task kernel/sched/core.c:726 [inline] update_rq_clock kernel/sched/core.c:770 [inline] update_rq_clock+0x250/0xb30 kernel/sched/core.c:751 ttwu_queue kernel/sched/core.c:4056 [inline] try_to_wake_up+0x56a/0x13e0 kernel/sched/core.c:4378 kick_pool+0x2a0/0x7a0 kernel/workqueue.c:1279 __queue_work+0x94d/0x1020 kernel/workqueue.c:2360 queue_work_on+0x11a/0x140 kernel/workqueue.c:2410 queue_work include/linux/workqueue.h:621 [inline] __bch2_btree_node_write+0x1fc1/0x2d60 fs/bcachefs/btree_io.c:2232 bch2_btree_node_write+0x127/0x2f0 fs/bcachefs/btree_io.c:2307 btree_split+0x1087/0x3010 fs/bcachefs/btree_update_interior.c:1706 bch2_btree_split_leaf+0x108/0x770 fs/bcachefs/btree_update_interior.c:1857 bch2_trans_commit_error+0x327/0xd00 fs/bcachefs/btree_trans_commit.c:918 __bch2_trans_commit+0x4eb1/0x7ad0 fs/bcachefs/btree_trans_commit.c:1138 bch2_trans_commit fs/bcachefs/btree_update.h:170 [inline] bch2_delete_dead_snapshots+0x1b22/0x4e70 fs/bcachefs/snapshot.c:1619 bch2_delete_dead_snapshots_work+0x20/0x160 fs/bcachefs/snapshot.c:1692 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 bcachefs (loop0): bch2_delete_dead_snapshots(): error deleting keys from dying snapshots erofs_trans_commit bcachefs (loop0): bch2_delete_dead_snapshots(): error erofs_trans_commit bcachefs (loop0): bch2_delete_dead_snapshots(): error deleting keys from dying snapshots erofs_trans_commit bcachefs (loop0): bch2_delete_dead_snapshots(): error erofs_trans_commit bcachefs (loop0): bch2_delete_dead_snapshots(): error deleting snapshot 4294967295 ENOENT_bkey_type_mismatch bcachefs (loop0): bch2_delete_dead_snapshots(): error ENOENT_bkey_type_mismatch bcachefs (loop0): bch2_delete_dead_snapshots(): error deleting snapshot 4294967295 ENOENT_bkey_type_mismatch bcachefs (loop0): bch2_delete_dead_snapshots(): error ENOENT_bkey_type_mismatch