Add Checker for part_test_dos stack overflow (no CVE)

[jynik]

This vulnerability and its practical exploitation are detailed in this excellent writeup:

https://fredericb.info/2022/06/breaking-secure-boot-on-google-nest-hub-2nd-gen-to-run-ubuntu.html

As the author astutely points out...

Regarding the vulnerability itself, it shouldn't even exist since it's already been fixed upstream, twice:

• Bug introduced on 2002-11-02
• Fixed on 2011-07-27
• Bug reintroduced on 2018-02-07
• Fixed 2019-09-19