Fix a crash when the object is non-builtin object

diff --git a/src/fcmatch.c b/src/fcmatch.c
index fa8800a..09c1b6a 100644 (file)
--- a/src/fcmatch.c
+++ b/src/fcmatch.c
@@ -269,7 +269,8 @@ FcObjectToMatcher (FcObject object,
            break;
        }
     }
-    if (!_FcMatchers[object].compare ||
+    if (object > FC_MAX_BASE_OBJECT ||
+       !_FcMatchers[object].compare ||
        _FcMatchers[object].strong == -1 ||
        _FcMatchers[object].weak == -1)
        return NULL;