BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 1991 Comm: kworker/u4:7 Not tainted 6.6.0-rc3-syzkaller-gbf6547d8715b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: btrfs-qgroup-rescan btrfs_work_helper
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3815 [inline]
 validate_chain kernel/locking/lockdep.c:3836 [inline]
 __lock_acquire+0x1c60/0x75e8 kernel/locking/lockdep.c:5136
 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5753
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 rcu_note_context_switch+0x2a4/0x1008 kernel/rcu/tree_plugin.h:326
 __schedule+0x2c0/0x23b4 kernel/sched/core.c:6595
 preempt_schedule_common+0xe8/0x1dc kernel/sched/core.c:6864
 preempt_schedule+0x60/0x80 kernel/sched/core.c:6888
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irq+0x7c/0x80 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 loop_queue_work drivers/block/loop.c:898 [inline]
 loop_queue_rq+0x980/0xae0 drivers/block/loop.c:1882
 __blk_mq_issue_directly block/blk-mq.c:2590 [inline]
 blk_mq_try_issue_directly+0x40c/0x7b8 block/blk-mq.c:2649
 blk_mq_submit_bio+0x137c/0x1bd0 block/blk-mq.c:3022
 __submit_bio+0x210/0x2b0 block/blk-core.c:599
 __submit_bio_noacct_mq block/blk-core.c:678 [inline]
 submit_bio_noacct_nocheck+0x740/0xb48 block/blk-core.c:707
 submit_bio_noacct+0xbe4/0x1758 block/blk-core.c:801
 submit_bio+0x230/0x378 block/blk-core.c:834
 write_dev_supers fs/btrfs/disk-io.c:3825 [inline]
 write_all_supers+0x222c/0x39b0 fs/btrfs/disk-io.c:4122
 btrfs_commit_transaction+0x1abc/0x2dd4 fs/btrfs/transaction.c:2517
 btrfs_qgroup_rescan_worker+0x15fc/0x1674 fs/btrfs/qgroup.c:3417
 btrfs_work_helper+0x340/0x1504 fs/btrfs/async-thread.c:314
 process_one_work+0x694/0x1204 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x938/0xef4 kernel/workqueue.c:2784
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853
BTRFS info (device loop5): qgroup scan completed (inconsistency flag cleared)