BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8532 Comm: syz.0.316 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162
 get_partial_node+0x44/0x3a0 mm/slub.c:2904
 get_partial mm/slub.c:3018 [inline]
 ___slab_alloc+0x6d0/0xf1c mm/slub.c:3876
 __slab_alloc+0x74/0xd0 mm/slub.c:3992
 __slab_alloc_node mm/slub.c:4067 [inline]
 slab_alloc_node mm/slub.c:4228 [inline]
 __kmalloc_cache_noprof+0x2f4/0x3fc mm/slub.c:4402
 kmalloc_noprof include/linux/slab.h:905 [inline]
 ulist_alloc+0x80/0x140 fs/btrfs/ulist.c:101
 btrfs_find_all_roots_safe+0xd8/0x410 fs/btrfs/backref.c:1748
 btrfs_find_all_roots+0x88/0xf4 fs/btrfs/backref.c:1799
 btrfs_qgroup_trace_extent_post+0x15c/0x244 fs/btrfs/qgroup.c:2073
 add_delayed_ref+0xf84/0x1990 fs/btrfs/delayed-ref.c:1073
 btrfs_add_delayed_tree_ref+0x94/0x148 fs/btrfs/delayed-ref.c:1094
 btrfs_free_tree_block+0x290/0xa30 fs/btrfs/extent-tree.c:3466
 btrfs_force_cow_block+0xa9c/0x2044 fs/btrfs/ctree.c:594
 btrfs_cow_block+0x3d4/0x934 fs/btrfs/ctree.c:699
 btrfs_search_slot+0x9ec/0x2268 fs/btrfs/ctree.c:2097
 btrfs_lookup_file_extent+0xd8/0x128 fs/btrfs/file-item.c:265
 btrfs_drop_extents+0x330/0x2470 fs/btrfs/file.c:187
 __cow_file_range_inline+0x1f4/0x115c fs/btrfs/inode.c:633
 cow_file_range_inline+0x27c/0x338 fs/btrfs/inode.c:692
 cow_file_range+0x46c/0xdbc fs/btrfs/inode.c:1297
 btrfs_run_delalloc_range+0x314/0xdb4 fs/btrfs/inode.c:2352
 writepage_delalloc+0xdcc/0x1898 fs/btrfs/extent_io.c:1435
 extent_writepage fs/btrfs/extent_io.c:1779 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2463 [inline]
 btrfs_writepages+0x129c/0x236c fs/btrfs/extent_io.c:2596
 do_writepages+0x270/0x468 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 filemap_fdatawrite_range+0x154/0x1fc mm/filemap.c:437
 btrfs_fdatawrite_range+0x5c/0xe4 fs/btrfs/file.c:3859
 btrfs_wait_ordered_range+0x64/0x228 fs/btrfs/ordered-data.c:922
 btrfs_fallocate+0x76c/0x1734 fs/btrfs/file.c:3166
 vfs_fallocate+0x52c/0x668 fs/open.c:342
 ksys_fallocate fs/open.c:366 [inline]
 __do_sys_fallocate fs/open.c:371 [inline]
 __se_sys_fallocate fs/open.c:369 [inline]
 __arm64_sys_fallocate+0xbc/0x10c fs/open.c:369
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596