From ba30883f60271be3b4b8c14735566c943a83c68f Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 22 Jul 2013 23:55:19 +0200
Subject: [PATCH] Issue #18520: Fix initstdio(), handle PySys_SetObject()
 failure

---
 Python/pythonrun.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 30e5e6f0c37..18c2baa656d 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1159,8 +1159,14 @@ initstdio(void)
     }
     PyErr_Clear();  /* Not a fatal error if codec isn't available */
 
-    PySys_SetObject("__stderr__", std);
-    PySys_SetObject("stderr", std);
+    if (PySys_SetObject("__stderr__", std) < 0) {
+        Py_DECREF(std);
+        goto error;
+    }
+    if (PySys_SetObject("stderr", std) < 0) {
+        Py_DECREF(std);
+        goto error;
+    }
     Py_DECREF(std);
 #endif