BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 55 Comm: kworker/u4:3 Not tainted 6.1.126-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 find_free_extent_unclustered fs/btrfs/extent-tree.c:3663 [inline]
 do_allocation_clustered fs/btrfs/extent-tree.c:3716 [inline]
 do_allocation fs/btrfs/extent-tree.c:3916 [inline]
 find_free_extent+0x2300/0x48c0 fs/btrfs/extent-tree.c:4455
 btrfs_reserve_extent+0x364/0x680 fs/btrfs/extent-tree.c:4604
 btrfs_alloc_tree_block+0x1b4/0x1478 fs/btrfs/extent-tree.c:5017
 btrfs_force_cow_block+0x3f0/0x1b48 fs/btrfs/ctree.c:443
 btrfs_cow_block+0x2e8/0x71c fs/btrfs/ctree.c:616
 btrfs_search_slot+0xb64/0x2928 fs/btrfs/ctree.c:2080
 btrfs_update_root+0xec/0xad0 fs/btrfs/root-tree.c:132
 commit_fs_roots+0x430/0x65c fs/btrfs/transaction.c:1462
 btrfs_commit_transaction+0x1168/0x2cd4 fs/btrfs/transaction.c:2402
 btrfs_qgroup_rescan_worker+0x15a8/0x161c fs/btrfs/qgroup.c:3410
 btrfs_work_helper+0x32c/0xdb4 fs/btrfs/async-thread.c:280
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
BTRFS info (device loop7): qgroup scan completed (inconsistency flag cleared)