BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 43 Comm: kworker/u8:2 Not tainted 6.12.0-rc7-syzkaller-g887407160d72 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: btrfs-qgroup-rescan btrfs_work_helper
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:484 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 lookup_chain_cache_add kernel/locking/lockdep.c:3851 [inline]
 validate_chain kernel/locking/lockdep.c:3872 [inline]
 __lock_acquire+0x1fb8/0x77c8 kernel/locking/lockdep.c:5202
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5825
 local_lock_acquire+0x3c/0x98 include/linux/local_lock_internal.h:29
 ___slab_alloc+0x2cc/0xf4c mm/slub.c:3695
 __slab_alloc+0x74/0xd0 mm/slub.c:3908
 __slab_alloc_node mm/slub.c:3961 [inline]
 slab_alloc_node mm/slub.c:4122 [inline]
 kmem_cache_alloc_noprof+0x26c/0x354 mm/slub.c:4141
 add_delayed_ref+0x10c/0x19c0 fs/btrfs/delayed-ref.c:1020
 btrfs_add_delayed_tree_ref+0x9c/0x110 fs/btrfs/delayed-ref.c:1098
 btrfs_free_tree_block+0x320/0xc18 fs/btrfs/extent-tree.c:3455
 btrfs_force_cow_block+0xed8/0x1c9c fs/btrfs/ctree.c:622
 btrfs_cow_block+0x318/0xa28 fs/btrfs/ctree.c:754
 btrfs_search_slot+0xba0/0x2a08
 btrfs_insert_empty_items+0xa4/0x17c fs/btrfs/ctree.c:4314
 btrfs_insert_empty_item fs/btrfs/ctree.h:669 [inline]
 alloc_reserved_tree_block fs/btrfs/extent-tree.c:4894 [inline]
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1734 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1766 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2031 [inline]
 __btrfs_run_delayed_refs+0x13a0/0x3c5c fs/btrfs/extent-tree.c:2101
 btrfs_run_delayed_refs+0xc4/0x2bc fs/btrfs/extent-tree.c:2213
 commit_cowonly_roots+0x574/0x750 fs/btrfs/transaction.c:1374
 btrfs_commit_transaction+0x1170/0x2ba4 fs/btrfs/transaction.c:2447
 btrfs_qgroup_rescan_worker+0x1370/0x1750 fs/btrfs/qgroup.c:3865
 btrfs_work_helper+0x340/0xd28 fs/btrfs/async-thread.c:314
 process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3391
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)
BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared)