BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 4843 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: btrfs-qgroup-rescan btrfs_work_helper
Call trace:
 dump_backtrace+0x1c8/0x1f4 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+0xf8/0x160 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+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x70/0x9c kernel/locking/spinlock.c:170
 spin_lock_irq include/linux/spinlock.h:376 [inline]
 loop_queue_work drivers/block/loop.c:834 [inline]
 loop_queue_rq+0x210/0xa80 drivers/block/loop.c:1874
 __blk_mq_issue_directly block/blk-mq.c:2631 [inline]
 __blk_mq_try_issue_directly+0x410/0x67c block/blk-mq.c:2684
 blk_mq_request_issue_directly block/blk-mq.c:2718 [inline]
 blk_mq_plug_issue_direct+0x1fc/0x574 block/blk-mq.c:2738
 blk_mq_flush_plug_list+0x5d4/0xa48 block/blk-mq.c:2838
 __blk_flush_plug+0x32c/0x3ac block/blk-core.c:1179
 blk_finish_plug+0x68/0x90 block/blk-core.c:1203
 btrfs_write_and_wait_transaction+0xf8/0x200 fs/btrfs/transaction.c:1213
 btrfs_commit_transaction+0x198c/0x29f0 fs/btrfs/transaction.c:2496
 btrfs_qgroup_rescan_worker+0x1444/0x14b8 fs/btrfs/qgroup.c:3418
 btrfs_work_helper+0x328/0xce4 fs/btrfs/async-thread.c:280
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
BTRFS info (device loop7): qgroup scan completed (inconsistency flag cleared)