[libvirt] [PATCHv3 0/3] 'autodeflate' attribute for mememory balloon

[John Ferlan]

> This series is not safe - it introduces an invalid free in the XML
> parser, giving the user with a read-write connection a possibility to crash
> libvirtd before we get to the ACL checks.
> 

Based on the lack of details, I assume you may be referring to:

@@ -11327,6 +11327,7 @@ virDomainMemballoonDefParseXML(xmlNodePtr node,
                                unsigned int flags)
 {
     char *model;
+    char *deflate;
     virDomainMemballoonDefPtr def;

Where deflate should be set to NULL. I don't have the time/desire to
chase down empirical evidence, but from memory this is not the first
time a missed initialization such as this has occurred during a freeze.

Simple enough adjustment.

John