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Merged revisions 83407 via svnmerge from

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svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r83407 | brian.curtin | 2010-08-01 10:26:26 -0500 (Sun, 01 Aug 2010) | 3 lines

  Fix #8105. Add validation to mmap.mmap so invalid file descriptors
  don't cause a crash on Windows.
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This commit is contained in:
Brian Curtin 2010-08-01 15:44:11 +00:00
parent fc070313dd
commit 686ee4fd3d
3 changed files with 18 additions and 1 deletions
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5
Modules/mmapmodule.c
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@ -1203,6 +1203,11 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
1);
*/
if (fileno != -1 && fileno != 0) {
/* Ensure that fileno is within the CRT's valid range */
if (_PyVerify_fd(fileno) == 0) {
PyErr_SetFromErrno(mmap_module_error);
return NULL;
}
fh = (HANDLE)_get_osfhandle(fileno);
if (fh==(HANDLE)-1) {
PyErr_SetFromErrno(mmap_module_error);