Re: [PATCH] s390/speculation: Use statically initialized const for instructions

From: Vasily Gorbik
Date: Tue Jun 22 2021 - 10:17:07 EST


On Wed, Jun 16, 2021 at 01:18:23PM -0700, Kees Cook wrote:
> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy(), memmove(), and memset(), avoid
> confusing the checks when using a static const source.
>
> Move the static const array into a variable so the compiler can perform
> appropriate bounds checking.
>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> ---
> arch/s390/kernel/nospec-branch.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)

Applied, thanks!