From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sun, 5 Jun 2016 08:06:42 +0000 (+0300)
Subject: Issue #27225: Fixed a reference leak in type_new when setting __new__ fails.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1a9ee946b0bd9eb93e48833e0f4de6b338867673;p=python

Issue #27225: Fixed a reference leak in type_new when setting __new__ fails.
Original patch by Xiang Zhang.
---

diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index d78f298375..cae511897d 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -2430,7 +2430,11 @@ type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
             Py_DECREF(type);
             return NULL;
         }
-        PyDict_SetItemString(dict, "__new__", tmp);
+        if (PyDict_SetItemString(dict, "__new__", tmp) < 0) {
+            Py_DECREF(tmp);
+            Py_DECREF(type);
+            return NULL;
+        }
         Py_DECREF(tmp);
     }