utils: Release a heap memory for SID translation

cosmo0920 · cosmo0920 · commit 9987636117b0 · 2024-07-29T12:25:38.000+09:00
Signed-off-by: Hiroshi Hatake &lt;hiroshi@chronosphere.io&gt;
diff --git a/ext/winevt/winevt_utils.cpp b/ext/winevt/winevt_utils.cpp
@@ -893,6 +893,7 @@ render_system_event(EVT_HANDLE hEvent, BOOL preserve_qualifiers, BOOL expandSID_
           ExpandSIDWString(pRenderedValues[EvtSystemUserID].SidVal,
                            &expandSID) == 0) {
         rbstr = rb_utf8_str_new_cstr(expandSID);
+        free(expandSID);
       } else {
         rbstr = rb_utf8_str_new_cstr(pwsSid);
       }

Original file line number	Diff line number	Diff line change
`@@ -893,6 +893,7 @@ render_system_event(EVT_HANDLE hEvent, BOOL preserve_qualifiers, BOOL expandSID_`
`893`	`893`	`ExpandSIDWString(pRenderedValues[EvtSystemUserID].SidVal,`
`894`	`894`	`&expandSID) == 0) {`
`895`	`895`	`rbstr = rb_utf8_str_new_cstr(expandSID);`
	`896`	`+ free(expandSID);`
`896`	`897`	`} else {`
`897`	`898`	`rbstr = rb_utf8_str_new_cstr(pwsSid);`
`898`	`899`	`}`