From: Victor Stinner <victor.stinner@gmail.com>
Date: Wed, 8 Feb 2017 11:57:09 +0000 (+0100)
Subject: Fix refleaks if Py_EnterRecursiveCall() fails
X-Git-Tag: v3.7.0a1~1390
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=620580f280e3fe6583afee43580ef907b228add3;p=python

Fix refleaks if Py_EnterRecursiveCall() fails

Issue #29306: Destroy argstuple and kwdict if Py_EnterRecursiveCall() fails.
---

diff --git a/Objects/abstract.c b/Objects/abstract.c
index 8d18313ed0..4d7f94ad87 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -2350,14 +2350,15 @@ _PyObject_FastCallDict(PyObject *callable, PyObject **args, Py_ssize_t nargs,
         }
 
         if (Py_EnterRecursiveCall(" while calling a Python object")) {
+            Py_DECREF(argstuple);
             return NULL;
         }
 
         result = (*call)(callable, argstuple, kwargs);
 
         Py_LeaveRecursiveCall();
-
         Py_DECREF(argstuple);
+
         result = _Py_CheckFunctionResult(callable, result, NULL);
         return result;
     }
@@ -2544,6 +2545,8 @@ _PyObject_FastCallKeywords(PyObject *callable, PyObject **stack, Py_ssize_t narg
         }
 
         if (Py_EnterRecursiveCall(" while calling a Python object")) {
+            Py_DECREF(argstuple);
+            Py_XDECREF(kwdict);
             return NULL;
         }