BTRFS info (device loop5): enabling free space tree
BTRFS info (device loop5): force clearing of disk cache
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8691 Comm: syz.5.281 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
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
 down_write_nested+0x58/0xcc kernel/locking/rwsem.c:1706
 btrfs_tree_lock_nested+0x44/0x2f4 fs/btrfs/locking.c:188
 btrfs_tree_lock fs/btrfs/locking.h:179 [inline]
 lock_extent_buffer_for_io+0xb8/0x694 fs/btrfs/extent_io.c:1893
 btree_write_cache_pages+0x9c0/0xe2c fs/btrfs/extent_io.c:2325
 btree_writepages+0x70/0x19c fs/btrfs/disk-io.c:512
 do_writepages+0x270/0x468 mm/page-writeback.c:2604
 filemap_fdatawrite_wbc mm/filemap.c:389 [inline]
 __filemap_fdatawrite_range mm/filemap.c:422 [inline]
 filemap_fdatawrite_range+0x154/0x1fc mm/filemap.c:440
 btrfs_write_marked_extents+0x174/0x28c fs/btrfs/transaction.c:1157
 btrfs_write_and_wait_transaction+0xdc/0x1e8 fs/btrfs/transaction.c:1264
 btrfs_commit_transaction+0x19fc/0x2ce4 fs/btrfs/transaction.c:2533
 btrfs_sync_file+0xa7c/0xf78 fs/btrfs/file.c:1818
 vfs_fsync_range+0x160/0x19c fs/sync.c:187
 generic_write_sync include/linux/fs.h:3046 [inline]
 btrfs_do_write_iter+0x47c/0x5dc fs/btrfs/file.c:1469
 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1479
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x540/0xa3c fs/read_write.c:686
 ksys_write+0x120/0x210 fs/read_write.c:738
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:746
 __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:746
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596