diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 0461a7b1e9b4..8ac73f41d6eb 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -792,8 +792,18 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir, retval = -ENOTEMPTY; if (!empty_dir(new_inode)) goto out_oiter; + retval = -EFSCORRUPTED; + if (new_inode->i_nlink != 2) + goto out_oiter; } + retval = -EFSCORRUPTED; + if (old_dir->i_nlink < 3) + goto out_oiter; is_dir = true; + } else if (new_inode) { + retval = -EFSCORRUPTED; + if (new_inode->i_nlink < 1) + goto out_oiter; } if (is_dir && old_dir != new_dir) { retval = udf_fiiter_find_entry(old_inode, &dotdot_name,