Change Details

SSP: add stack clash protection, see https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html https://developers.redhat.com/blog/2020/05/22/stack-clash-mitigation-in-gcc-part-3 https://blog.llvm.org/posts/2021-01-05-stack-clash-protection/ FORTIFY: add some compile time checks for arrays, see https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html

Add some compile time checks for arrays, see https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html

SSP: add stack clash protection, see https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html https://developers.redhat.com/blog/2020/05/22/stack-clash-mitigation-in-gcc-part-3 https://blog.llvm.org/posts/2021-01-05-stack-clash-protection/ FORTIFY: aAdd some compile time checks for arrays, see https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html