From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Wed, 31 Oct 2018 09:31:29 +0000 (-0700)
Subject: Fix a possible crash in range.__reversed__(). (GH-10252)
X-Git-Tag: v3.7.2rc1~200
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=da15389fddb85cf8a97b81e75de7d77b5f505b56;p=thirdparty%2FPython%2Fcpython.git

Fix a possible crash in range.__reversed__(). (GH-10252)

(cherry picked from commit c9a6168924ffa4f3f78175998b392fe23d3edc50)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
---

diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index e4f778b1f8ea..037be870e36a 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -1154,6 +1154,7 @@ long_range:
     it = PyObject_New(longrangeiterobject, &PyLongRangeIter_Type);
     if (it == NULL)
         return NULL;
+    it->index = it->start = it->step = NULL;
 
     /* start + (len - 1) * step */
     it->len = range->length;