Content-Type: text/plain Content-Disposition: inline Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.507 (Entity 5.507) RT-Send-CC: X-RT-Original-Encoding: iso-8859-1 Content-Length: 341 If argc is 0, ksu should crash with a null dereference at line 144 where it does strlen() on argv[0]. I believe that happens with every program in the MIT krb5 tree, but we have received reports of argc == 0 issues specifically for ksu twice this month, which seems odd. Out of curiosity, can you explain how you arrived at this issue?