BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7217 Comm: syz.1.291 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2025
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
 reacquire_held_locks+0x238/0x440 kernel/locking/lockdep.c:5187
 __lock_release kernel/locking/lockdep.c:5376 [inline]
 lock_release+0x308/0x910 kernel/locking/lockdep.c:5682
 up_write+0x48/0x5c0 kernel/locking/rwsem.c:1625
 btrfs_tree_unlock+0x10c/0x334 fs/btrfs/locking.c:214
 btrfs_tree_unlock_rw fs/btrfs/locking.h:113 [inline]
 btrfs_unlock_up_safe+0x164/0x31c fs/btrfs/locking.c:238
 setup_items_for_insert+0x230/0xab8 fs/btrfs/ctree.c:4072
 btrfs_insert_empty_items+0x100/0x178 fs/btrfs/ctree.c:4187
 copy_items+0x804/0xc38 fs/btrfs/tree-log.c:4483
 copy_inode_items_to_log fs/btrfs/tree-log.c:5939 [inline]
 btrfs_log_inode+0x13b4/0x33c4 fs/btrfs/tree-log.c:6561
 btrfs_log_inode_parent+0x8d0/0x1010 fs/btrfs/tree-log.c:7048
 btrfs_log_dentry_safe+0x6c/0x90 fs/btrfs/tree-log.c:7149
 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