BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 4473 Comm: kworker/u4:6 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: btrfs-endio-meta btrfs_work_helper
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __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:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0xb0/0x10c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:363 [inline]
 count_range_bits+0x7c/0x46c fs/btrfs/extent_io.c:2096
 clean_io_failure+0x70/0x6b4 fs/btrfs/extent_io.c:2410
 end_bio_extent_readpage+0x724/0x1238 fs/btrfs/extent_io.c:3045
 bio_endio+0x744/0x788 block/bio.c:1475
 end_workqueue_fn+0xe0/0x140 fs/btrfs/disk-io.c:1782
 btrfs_work_helper+0x328/0x13a0 fs/btrfs/async-thread.c:325
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855