From: Mark Dickinson <mdickinson@enthought.com>
Date: Sun, 13 Jun 2021 07:58:32 +0000 (+0100)
Subject: [3.10] Fix a potential reference-counting bug in long_pow (GH-26690) (GH-26703)
X-Git-Tag: v3.10.0b3~20
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=929dd817b3c6ebd8f2ab5d3b58af51acf292c590;p=thirdparty%2FPython%2Fcpython.git

[3.10] Fix a potential reference-counting bug in long_pow (GH-26690) (GH-26703)

(cherry picked from commit 59242431991794064824cf2ab70886367613f29e)

Co-authored-by: Mark Dickinson <mdickinson@enthought.com>
---

diff --git a/Objects/longobject.c b/Objects/longobject.c
index e1c1191e648d..685bd56096f4 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -4185,6 +4185,7 @@ long_pow(PyObject *v, PyObject *w, PyObject *x)
                 goto Error;
             Py_DECREF(a);
             a = temp;
+            temp = NULL;
         }
 
         /* Reduce base by modulus in some cases: