Kees Cook <keescook@xxxxxxxxxxxx> writes: > Inspired by Salvatore Mesoraca's earlier[1] efforts to provide some > in-tree guidance for kernel hardening Kconfig options, add a new fragment > named "hardening-basic.config" (along with some arch-specific fragments) > that enable a basic set of kernel hardening options that have the least > (or no) performance impact and remove a reasonable set of legacy APIs. > > Using this fragment is as simple as running "make hardening.config". > > More extreme fragments can be added[2] in the future to cover all the > recognized hardening options, and more per-architecture files can be > added too. > > For now, document the fragments directly via comments. Perhaps .rst > documentation can be generated from them in the future (rather than the > other way around). > This is likely to make life a bit easier for us downstream in Gentoo, where we currently supply a patch for KSPP: https://gitweb.gentoo.org/proj/linux-patches.git/tree/4567_distro-Gentoo-Kconfig.patch?h=6.4#n237. > [1] https://lore.kernel.org/kernel-hardening/1536516257-30871-1-git-send-email-s.mesoraca16@xxxxxxxxx/ > [2] https://github.com/KSPP/linux/issues/14 best, sam
