On 9/26/24 11:04 AM, Eric Sandeen wrote: > Can you explain what the 2 cases under > > /* Avoid allocating large 'groups' array if not needed */ > > are doing? I *think* the first 'if' is trying not to over-allocate for the last > batch of block groups that get added during a resize. What is the "else if" case > doing? (or maybe I had that backwards) Incidentally, the offending commit that this fixes (665d3e0af4d35ac) got turned into CVE-2023-52622, so it's quite likely that distros have backported the broken commit as part of the CVE game. So the followup fix looks a bit urgent to me. -Eric