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-rw-r--r--Modules/socketmodule.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 2a62f5d..17f7461 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;