BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 12039 Comm: syz.3.1684 Not tainted 6.1.140-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __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:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 local_lock_acquire+0x44/0x14c include/linux/local_lock_internal.h:29
 consume_stock mm/memcontrol.c:2237 [inline]
 try_charge_memcg+0x19c/0x1448 mm/memcontrol.c:2647
 try_charge mm/memcontrol.c:2828 [inline]
 charge_memcg+0xa4/0x1f4 mm/memcontrol.c:6925
 __mem_cgroup_charge+0x38/0xb0 mm/memcontrol.c:6946
 mem_cgroup_charge include/linux/memcontrol.h:672 [inline]
 __filemap_add_folio+0x84c/0xfb4 mm/filemap.c:854
 filemap_add_folio+0xb0/0x20c mm/filemap.c:962
 __filemap_get_folio+0x6ec/0xab0 mm/filemap.c:2004
 pagecache_get_page+0x3c/0x16c mm/folio-compat.c:110
 find_or_create_page include/linux/pagemap.h:646 [inline]
 alloc_extent_buffer+0x208/0x10bc fs/btrfs/extent_io.c:4610
 btrfs_find_create_tree_block+0x3c/0x50 fs/btrfs/disk-io.c:915
 btrfs_init_new_buffer fs/btrfs/extent-tree.c:4918 [inline]
 btrfs_alloc_tree_block+0x1dc/0x1158 fs/btrfs/extent-tree.c:5037
 insert_new_root+0x23c/0x88c fs/btrfs/ctree.c:2766
 split_leaf+0xa38/0x1074 fs/btrfs/ctree.c:3606
 search_leaf fs/btrfs/ctree.c:1925 [inline]
 btrfs_search_slot+0x1d90/0x2364 fs/btrfs/ctree.c:2116
 btrfs_insert_empty_items+0xa4/0x178 fs/btrfs/ctree.c:4178
 copy_items+0x804/0xc38 fs/btrfs/tree-log.c:4481
 copy_inode_items_to_log fs/btrfs/tree-log.c:5937 [inline]
 btrfs_log_inode+0x13b4/0x33c4 fs/btrfs/tree-log.c:6559
 btrfs_log_inode_parent+0x8d0/0x1010 fs/btrfs/tree-log.c:7046
 btrfs_log_dentry_safe+0x6c/0x90 fs/btrfs/tree-log.c:7147
 btrfs_sync_file+0x914/0xf44 fs/btrfs/file.c:1945
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2962 [inline]
 btrfs_do_write_iter+0xafc/0x1154 fs/btrfs/file.c:1691
 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1705
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ac/0x7c4 fs/read_write.c:584
 ksys_write+0x120/0x210 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585