Re: [syzbot] [ntfs3?] possible deadlock in ntfs_set_state (2)

[Hillf Danton]

Test non-zero subkey against the mainline tree.

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git  master

--- x/fs/ntfs3/fsntfs.c
+++ y/fs/ntfs3/fsntfs.c
@@ -944,7 +944,7 @@ int ntfs_set_state(struct ntfs_sb_info *
 	if (!ni)
 		return -EINVAL;
 
-	mutex_lock_nested(&ni->ni_lock, NTFS_INODE_MUTEX_DIRTY);
+	mutex_lock_nested(&ni->ni_lock, (1 + NTFS_INODE_MUTEX_PARENT2));
 
 	attr = ni_find_attr(ni, NULL, NULL, ATTR_VOL_INFO, NULL, 0, NULL, &mi);
 	if (!attr) {
--