commit 0049249d63a067aaffbbf3172a6e8cd8c956b643
author Antoine Pitrou <solipsis@pitrou.net> Sat Sep 04 20:53:29 2010 +0000
committer Antoine Pitrou <solipsis@pitrou.net> Sat Sep 04 20:53:29 2010 +0000
tree dcfee8a6bd6e16db18121380d565bdf8278d9ee6
parent 7d6e076f6d8dd48cfd748b02dad17dbeb0b346a3

Issue #8734: Avoid crash in msvcrt.get_osfhandle() when an invalid file
descriptor is provided.  Patch by Pascal Chambon.

PC/msvcrtmodule.c

diff --git a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
index e173fea..166df03 100755
--- a/PC/msvcrtmodule.c
+++ b/PC/msvcrtmodule.c
@@ -143,6 +143,9 @@
     if (!PyArg_ParseTuple(args,"i:get_osfhandle", &fd))
         return NULL;
 
+    if (!_PyVerify_fd(fd))
+        return PyErr_SetFromErrno(PyExc_IOError);
+
     handle = _get_osfhandle(fd);
     if (handle == -1)
         return PyErr_SetFromErrno(PyExc_IOError);