Re: [PATCH v19 20/25] x86/cet/shstk: User-mode shadow stack support

Kees Cook
2021-02-04T20:30:01Z

On Wed, Feb 03, 2021 at 02:55:42PM -0800, Yu-cheng Yu wrote:
> Introduce basic shadow stack enabling/disabling/allocation routines.
> A task's shadow stack is allocated from memory with VM_SHSTK flag and has
> a fixed size of min(RLIMIT_STACK, 4GB).
>
> Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>

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

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Kees Cook