[LTP] [PATCH v2 2/7] Add test for CVE 2021-3656

[Petr Vorel]

Hi Martin,

FYI used toolchain [1]:

clang version 7.0.1-8+deb10u2 (tags/RELEASE_701/final)
Target: x86_64-pc-linux-gnu

Kind regards,
Petr

[1] https://github.com/pevik/ltp/actions/runs/5091551272/jobs/9151721119