From 97b06d543fed66d8393c46ea7d01af50ce66e4ca Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 14 Jul 2024 13:48:33 +0200
Subject: [PATCH] [3.13] gh-121660: Fix `ga_getitem` by explicitly checking for
 `NULL` result (GH-121661) (#121761)

gh-121660: Fix `ga_getitem` by explicitly checking for `NULL` result (GH-121661)
(cherry picked from commit bb802db8cfa35a88582be32fae05fe1cf8f237b1)

Co-authored-by: sobolevn <mail@sobolevn.me>
---
 Objects/genericaliasobject.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index 2779baf0bd1..3c64e75fca8 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -561,6 +561,10 @@ 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);