From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 14 Jul 2024 11:48:33 +0000 (+0200)
Subject: [3.13] gh-121660: Fix `ga_getitem` by explicitly checking for `NULL` result (GH-12166... 
X-Git-Tag: v3.13.0b4~53
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97b06d543fed66d8393c46ea7d01af50ce66e4ca;p=thirdparty%2FPython%2Fcpython.git

[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>
---

diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index 2779baf0bd1c..3c64e75fca8a 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);