From 2aff15a0698712bbadd365d59f8c11d2ad2892e6 Mon Sep 17 00:00:00 2001
From: Pablo Galindo <pablogsal@gmail.com>
Date: Tue, 23 Mar 2021 23:53:33 +0000
Subject: [PATCH] bpo-31861: Fix possible crash in PyAnextAwaitable_New

---
 Objects/iterobject.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Objects/iterobject.c b/Objects/iterobject.c
index 06a6da5695f8a6..f0c6b799176804 100644
--- a/Objects/iterobject.c
+++ b/Objects/iterobject.c
@@ -368,7 +368,11 @@ PyTypeObject PyAnextAwaitable_Type = {
 PyObject *
 PyAnextAwaitable_New(PyObject *awaitable, PyObject *default_value)
 {
-    anextawaitableobject *anext = PyObject_GC_New(anextawaitableobject, &PyAnextAwaitable_Type);
+    anextawaitableobject *anext = PyObject_GC_New(
+            anextawaitableobject, &PyAnextAwaitable_Type);
+    if (anext == NULL) {
+        return NULL;
+    }
     Py_INCREF(awaitable);
     anext->wrapped = awaitable;
     Py_INCREF(default_value);