Issue #21151: Fixed a segfault in the winreg module.

When ``None`` was passed as a ``REG_BINARY`` value to SetValueEx,
PyMem_DEL was called on an uninitialized buffer.  Patch by John Ehresman.

(Also an incidental typo fix in a comment in test_winreg)
This commit is contained in:
Zachary Ware 2014-07-03 10:58:06 -05:00
parent 0d50af45b6
commit ad4690fcca
3 changed files with 20 additions and 2 deletions

View file

@ -871,8 +871,10 @@ Py2Reg(PyObject *value, DWORD typ, BYTE **retDataBuf, DWORD *retDataSize)
/* ALSO handle ALL unknown data types here. Even if we can't
support it natively, we should handle the bits. */
default:
if (value == Py_None)
if (value == Py_None) {
*retDataSize = 0;
*retDataBuf = NULL;
}
else {
Py_buffer view;