index: don't crash on parts without a type

cyrusimap · Jan 21, 2025 · cefd7ff · cefd7ff
1 parent ec0c876
commit cefd7ff
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/imap/index.c b/imap/index.c
@@ -6097,9 +6097,12 @@ EXPORTED int index_getsearchtext(message_t *msg, const strarray_t *partids,
 
     if (!message_get_leaf_types(msg, &types) && types.count) {
         for (i = 0 ; i < types.count ; i+= 2) {
+            if (!types.data[i]) continue;
             buf_setcstr(&buf, types.data[i]);
-            buf_putc(&buf, '/');
-            buf_appendcstr(&buf, types.data[i+1]);
+            if (types.data[i+1]) {
+                buf_putc(&buf, '/');
+                buf_appendcstr(&buf, types.data[i+1]);
+            }
             stuff_part(receiver, str.conv, SEARCH_PART_TYPE, &buf);
         }
     }