Mercurial > cpython-lru_cache-weakref
diff Modules/socketmodule.c @ 41313:d144f81574c0 legacy-trunk
Bug 1688393. Adds a control of negative values in
socket.recvfrom, which caused an ugly crash.
| author | Facundo Batista <facundobatista@gmail.com> |
|---|---|
| date | Wed, 28 Mar 2007 03:45:20 +0000 |
| parents | dc56789b29e9 |
| children | f86557e503f3 |
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--- a/Modules/socketmodule.c Tue Mar 27 18:50:29 2007 +0000 +++ b/Modules/socketmodule.c Wed Mar 28 03:45:20 2007 +0000 @@ -2391,7 +2391,7 @@ if (recvlen < 0) { PyErr_SetString(PyExc_ValueError, - "negative buffersize in recv"); + "negative buffersize in recv_into"); return NULL; } if (recvlen == 0) { @@ -2507,6 +2507,12 @@ if (!PyArg_ParseTuple(args, "i|i:recvfrom", &recvlen, &flags)) return NULL; + if (recvlen < 0) { + PyErr_SetString(PyExc_ValueError, + "negative buffersize in recvfrom"); + return NULL; + } + buf = PyString_FromStringAndSize((char *) 0, recvlen); if (buf == NULL) return NULL; @@ -2560,7 +2566,7 @@ if (recvlen < 0) { PyErr_SetString(PyExc_ValueError, - "negative buffersize in recv"); + "negative buffersize in recvfrom_into"); return NULL; } if (recvlen == 0) {