From: sobolevn <mail@sobolevn.me>
Date: Sun, 14 Jul 2024 11:20:40 +0000 (+0300)
Subject: gh-121660: Fix `ga_getitem` by explicitly checking for `NULL` result (#121661)
X-Git-Tag: v3.14.0a1~1138
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bb802db8cfa35a88582be32fae05fe1cf8f237b1;p=thirdparty%2FPython%2Fcpython.git

gh-121660: Fix `ga_getitem` by explicitly checking for `NULL` result (#121661)
---

diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index f5fefd656539..96c96491501a 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -563,6 +563,10 @@ 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);