Bug report

Bug description:

In the _winapi.CreateProcess audit event, the second argument (command_line) is a Python object, but it is passed to PySys_Audit with the u format, so audit hooks may receive garbage instead of the command line.

CPython versions tested on:

CPython main branch

Operating systems tested on:

Windows

Linked PRs

• gh-159237: Fix buffer type confusion in _winapi.CreateProcess audit event #159238