BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7594 Comm: kworker/u4:13 Not tainted 6.1.116-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/0x58 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_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 get_partial_node+0x44/0x3cc mm/slub.c:2210
 get_partial mm/slub.c:2325 [inline]
 ___slab_alloc+0x684/0xee0 mm/slub.c:3175
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x2cc/0x37c mm/slub.c:3422
 btrfs_add_delayed_tree_ref+0x1c8/0xe58 fs/btrfs/delayed-ref.c:930
 btrfs_alloc_tree_block+0xd60/0x1478 fs/btrfs/extent-tree.c:5056
 __btrfs_cow_block+0x3f4/0x1824 fs/btrfs/ctree.c:441
 btrfs_cow_block+0x314/0xaa4 fs/btrfs/ctree.c:613
 btrfs_search_slot+0xb7c/0x2948
 btrfs_search_prev_slot fs/btrfs/free-space-tree.c:135 [inline]
 remove_free_space_extent fs/btrfs/free-space-tree.c:727 [inline]
 __remove_from_free_space_tree fs/btrfs/free-space-tree.c:822 [inline]
 remove_from_free_space_tree+0x488/0xdf8 fs/btrfs/free-space-tree.c:851
 alloc_reserved_extent+0x5c/0x438 fs/btrfs/extent-tree.c:4677
 alloc_reserved_tree_block fs/btrfs/extent-tree.c:4828 [inline]
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1676 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1705 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1954 [inline]
 __btrfs_run_delayed_refs+0x1310/0x3a90 fs/btrfs/extent-tree.c:2017
 btrfs_run_delayed_refs+0x13c/0x4c0 fs/btrfs/extent-tree.c:2148
 commit_cowonly_roots+0x574/0x740 fs/btrfs/transaction.c:1325
 btrfs_commit_transaction+0x1228/0x2cd4 fs/btrfs/transaction.c:2425
 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 loop0): qgroup scan completed (inconsistency flag cleared)