BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 44 Comm: kworker/u8:2 Not tainted 6.14.0-rc6-syzkaller-g0a6021b3fc20 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: btrfs-qgroup-rescan btrfs_work_helper
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (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:3853 [inline]
 validate_chain kernel/locking/lockdep.c:3874 [inline]
 __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5228
 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 free_extent_buffer_stale+0x2c/0x1ec fs/btrfs/extent_io.c:3327
 btrfs_force_cow_block+0xd34/0x1c80 fs/btrfs/ctree.c:594
 btrfs_cow_block+0x2ec/0x7cc fs/btrfs/ctree.c:688
 btrfs_search_slot+0xa74/0x272c fs/btrfs/ctree.c:2088
 update_qgroup_info_item fs/btrfs/qgroup.c:883 [inline]
 btrfs_run_qgroups+0x38c/0x890 fs/btrfs/qgroup.c:3135
 commit_cowonly_roots+0x1ec/0x750 fs/btrfs/transaction.c:1349
 btrfs_commit_transaction+0x1170/0x2ba4 fs/btrfs/transaction.c:2446
 btrfs_qgroup_rescan_worker+0x127c/0x163c fs/btrfs/qgroup.c:3853
 btrfs_work_helper+0x384/0xd60 fs/btrfs/async-thread.c:314
 process_one_work+0x810/0x1638 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3400
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 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)