Re: [RFC PATCH v3 07/20] lkdtm: Emit an indirect call for CFI tests

Kees Cook
2022-06-11T06:02:44Z

On Fri, Jun 10, 2022 at 04:35:00PM -0700, Sami Tolvanen wrote:
> Clang can convert the indirect calls in lkdtm_CFI_FORWARD_PROTO into
> direct calls. Move the call into a noinline function that accepts the
> target address as an argument to ensure the compiler actually emits an
> indirect call instead.
>
> Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

Acked-by: Kees Cook <keescook@chromium.org>

--
Kees Cook