This is almost the same as
0e636bf51a. I looked through the code,
and I don't see any more instances of this pattern, so hopefully this
will be the last one.
https://oss-fuzz.com/issue/
5660094128193536/13691.
/* If the upper directory is unspecified, then let's create it automatically as a throw-away directory
* in /var/tmp */
if (isempty(upper))
- upper = NULL;
+ upper = mfree(upper);
else if (!source_path_is_valid(upper))
return -EINVAL;
--- /dev/null
+[Files]
+Overlay=/::
\ No newline at end of file