mboxlist: don't crash if no userid

cyrusimap · Jun 4, 2024 · 7adc241 · 7adc241
1 parent dc1a449
commit 7adc241
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/imap/mboxlist.c b/imap/mboxlist.c
@@ -3167,6 +3167,7 @@ static int _usergroup_add(void *rock,
 
 EXPORTED int mboxlist_lookup_usergroups(const char *item, strarray_t *dest)
 {
+    if (!item) return 0; // if no userid, no groups can possibly match
     init_internal();
     struct buf prefix = BUF_INITIALIZER;
     buf_setcstr(&prefix, "UG");