closes bpo-34477: Objects/typeobject.c: Add missing NULL check to type_init() (GH-8876)

miss-islington · Alexey Izbyshev · web-flow · commit fbe359a5e0b2 · 2018-08-24T00:49:29.000-04:00
Reported by Svace static analyzer. (cherry picked from commit f6247aa) Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
@@ -2235,6 +2235,9 @@ type_init(PyObject *cls, PyObject *args, PyObject *kwds)
     /* Call object.__init__(self) now. */
     /* XXX Could call super(type, cls).__init__() but what's the point? */
     args = PyTuple_GetSlice(args, 0, 0);
+    if (args == NULL) {
+        return -1;
+    }
     res = object_init(cls, args, NULL);
     Py_DECREF(args);
     return res;
