Re: [PATCH 0/1] Fix CFI hash randomization with KASAN
From: Kees Cook
Date: Fri Jan 13 2023 - 18:16:03 EST
On Thu, 12 Jan 2023 22:49:47 +0000, Sami Tolvanen wrote:
> Peter, Masahiro,
>
> I noticed that KASAN+CFI fails to boot on x86_64 without
> cfi=norand. The randomization code is missing a couple of KASAN
> constructors in object files that are not part of vmlinux.o. This
> happens because we don't run objtool for the files, which means
> the type hashes are not included in the .cfi_sites section.
>
> [...]
Applied to for-linus/hardening, thanks!
[1/1] kbuild: Fix CFI hash randomization with KASAN
https://git.kernel.org/kees/c/a6c5a3491b3f
--
Kees Cook