From: Benjamin Peterson <benjamin@python.org>
Date: Fri, 22 Jan 2016 06:02:46 +0000 (-0800)
Subject: reject negative data_size
X-Git-Tag: v2.7.12rc1~264
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5640bbb6c5c0c9232fd761ef4544687f9123e43e;p=thirdparty%2FPython%2Fcpython.git

reject negative data_size
---

diff --git a/Modules/zipimport.c b/Modules/zipimport.c
index 006be3c59a85..be9753f1dd66 100644
--- a/Modules/zipimport.c
+++ b/Modules/zipimport.c
@@ -861,6 +861,10 @@ get_data(char *archive, PyObject *toc_entry)
                           &date, &crc)) {
         return NULL;
     }
+    if (data_size < 0) {
+        PyErr_Format(ZipImportError, "negative data size");
+        return NULL;
+    }
 
     fp = fopen(archive, "rb");
     if (!fp) {