From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 14 May 2013 00:55:40 +0000 (-0500)
Subject: prevent double free in cleanup code (#17968)
X-Git-Tag: v3.4.0a1~730^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dedac52731bd4085a71c0010454c9804b15be80f;p=thirdparty%2FPython%2Fcpython.git

prevent double free in cleanup code (#17968)
---

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 3e5e58045fdc..a351caeddc77 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -10627,6 +10627,7 @@ posix_listxattr(PyObject *self, PyObject *args, PyObject *kwargs)
         if (length < 0) {
             if (errno == ERANGE) {
                 PyMem_FREE(buffer);
+                buffer = NULL;
                 continue;
             }
             path_error("listxattr", &path);