From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 14 Jul 2024 11:37:00 +0000 (+0200)
Subject: [3.12] gh-121660: Fix `ga_getitem` by explicitly checking for `NULL` result (GH-12166... 
X-Git-Tag: v3.12.5~109
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7a4b55d602f8ee4e594194e4306556e2342e9b49;p=thirdparty%2FPython%2Fcpython.git

[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 bb802db8cfa35a88582be32fae05fe1cf8f237b1)

Co-authored-by: sobolevn <mail@sobolevn.me>
---

diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index 117b4e8dfb96..7f89e68340b6 100644
--- 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);