From: Martin v. Löwis <martin@v.loewis.de>
Date: Mon, 19 Nov 2001 10:41:26 +0000 (+0000)
Subject: Test for negative buffer sizes. Fixes #482871.
X-Git-Tag: v2.2.1c1~723
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fba64e1ecaa62799ee62e5c9988d2496ed6125d0;p=python

Test for negative buffer sizes. Fixes #482871.
---

diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 2a62f5d1dc..17f7461429 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1481,6 +1481,11 @@ PySocketSock_recv(PySocketSockObject *s, PyObject *args)
 	PyObject *buf;
 	if (!PyArg_ParseTuple(args, "i|i:recv", &len, &flags))
 		return NULL;
+        if (len < 0) {
+		PyErr_SetString(PyExc_ValueError,
+				"negative buffersize in connect");
+		return NULL;
+	}
 	buf = PyString_FromStringAndSize((char *) 0, len);
 	if (buf == NULL)
 		return NULL;