BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 7762 Comm: kworker/u4:55 Not tainted 6.6.0-rc3-syzkaller-gbf6547d8715b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Workqueue: btrfs-endio-write btrfs_work_helper Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3815 [inline] validate_chain kernel/locking/lockdep.c:3836 [inline] __lock_acquire+0x1c60/0x75e8 kernel/locking/lockdep.c:5136 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5753 folio_memcg_lock+0xd4/0x1d8 mm/memcontrol.c:2129 filemap_dirty_folio+0x38/0x1a8 mm/page-writeback.c:2697 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2781 set_page_dirty+0x58/0x78 mm/folio-compat.c:57 btrfs_page_set_dirty+0x80/0x19c fs/btrfs/subpage.c:644 set_extent_buffer_dirty+0x30c/0x4ec fs/btrfs/extent_io.c:3799 btrfs_mark_buffer_dirty+0x158/0x1cc fs/btrfs/disk-io.c:4444 copy_for_split+0x6c8/0xa30 fs/btrfs/ctree.c:3649 split_leaf+0x988/0x119c fs/btrfs/ctree.c:3901 search_leaf fs/btrfs/ctree.c:2043 [inline] btrfs_search_slot+0x220c/0x29d8 fs/btrfs/ctree.c:2230 btrfs_csum_file_blocks+0x3d0/0x1554 fs/btrfs/file-item.c:1122 add_pending_csums fs/btrfs/inode.c:2601 [inline] btrfs_finish_one_ordered+0xf1c/0x1770 fs/btrfs/inode.c:3121 btrfs_finish_ordered_io+0xf8/0x10c fs/btrfs/inode.c:3229 finish_ordered_fn+0x20/0xa8 fs/btrfs/ordered-data.c:303 btrfs_work_helper+0x340/0x1504 fs/btrfs/async-thread.c:314 process_one_work+0x694/0x1204 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2784 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853