BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 44 Comm: kworker/u8:3 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: btrfs-endio-write 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:3851 [inline] validate_chain kernel/locking/lockdep.c:3872 [inline] __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5226 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849 fs_reclaim_acquire+0xb0/0x120 mm/page_alloc.c:3870 might_alloc include/linux/sched/mm.h:318 [inline] slab_pre_alloc_hook mm/slub.c:4070 [inline] slab_alloc_node mm/slub.c:4148 [inline] kmem_cache_alloc_noprof+0x5c/0x410 mm/slub.c:4175 alloc_extent_state+0x3c/0x3c0 fs/btrfs/extent-io-tree.c:171 __set_extent_bit+0x204/0x1b34 fs/btrfs/extent-io-tree.c:1082 __lock_extent+0x124/0x7ac fs/btrfs/extent-io-tree.c:1859 lock_extent fs/btrfs/extent-io-tree.h:148 [inline] btrfs_finish_one_ordered+0x434/0x1910 fs/btrfs/inode.c:3076 btrfs_finish_ordered_io+0x120/0x134 fs/btrfs/inode.c:3269 finish_ordered_fn+0x20/0x30 fs/btrfs/ordered-data.c:331 btrfs_work_helper+0x374/0xd5c fs/btrfs/async-thread.c:314 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862