commit dedac52731bd4085a71c0010454c9804b15be80f
author Benjamin Peterson <benjamin@python.org> Mon May 13 19:55:40 2013 -0500
committer Benjamin Peterson <benjamin@python.org> Mon May 13 19:55:40 2013 -0500
tree 79bc207ed84cba5794bdc4c44048b1ca3347c639
parent 2adb6fe246c0e07b30a70cd5c08e4aebc5b2923d

prevent double free in cleanup code (#17968)

Modules/posixmodule.c

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 3e5e580..a351cae 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -10627,6 +10627,7 @@
         if (length < 0) {
             if (errno == ERANGE) {
                 PyMem_FREE(buffer);
+                buffer = NULL;
                 continue;
             }
             path_error("listxattr", &path);