From: Benjamin Peterson <benjamin@python.org>
Date: Wed, 15 Oct 2014 15:51:05 +0000 (-0400)
Subject: make sure length is unsigned
X-Git-Tag: v3.4.3rc1~362^2~5
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c0e64f5027a2d07976027447b6d1ef464a2dc158;p=python

make sure length is unsigned
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 35da457530..2a10eec5eb 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -9489,7 +9489,7 @@ case_operation(PyObject *self,
         PyErr_SetString(PyExc_OverflowError, "string is too long");
         return NULL;
     }
-    tmp = PyMem_MALLOC(sizeof(Py_UCS4) * 3 * length);
+    tmp = PyMem_MALLOC(sizeof(Py_UCS4) * 3 * (size_t)length);
     if (tmp == NULL)
         return PyErr_NoMemory();
     newlength = perform(kind, data, length, tmp, &maxchar);