[3.12] gh-121660: Fix ga_getitem by explicitly checking for NULL …

…result (GH-121661) (#121762) gh-121660: Fix `ga_getitem` by explicitly checking for `NULL` result (GH-121661) (cherry picked from commit bb802db) Co-authored-by: sobolevn <[email protected]>
python · Jul 14, 2024 · 7a4b55d · 7a4b55d
1 parent 004758e
commit 7a4b55d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
@@ -564,6 +564,10 @@ ga_getitem(PyObject *self, PyObject *item)
     }
 
     PyObject *res = Py_GenericAlias(alias->origin, newargs);
+    if (res == NULL) {
+        Py_DECREF(newargs);
+        return NULL;
+    }
     ((gaobject *)res)->starred = alias->starred;
 
     Py_DECREF(newargs);