Re: [PATCH v3 15/17] arm64: vdso: disable Shadow Call Stack

[Kees Cook]

On Thu, Oct 31, 2019 at 09:46:35AM -0700, samitolvanen@xxxxxxxxxx wrote:
> Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>

I think Nick already mentioned the missing commit log. With that:

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-Kees

> ---
>  arch/arm64/kernel/vdso/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
> index dd2514bb1511..a87a4f11724e 100644
> --- a/arch/arm64/kernel/vdso/Makefile
> +++ b/arch/arm64/kernel/vdso/Makefile
> @@ -25,7 +25,7 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING
>  
>  VDSO_LDFLAGS := -Bsymbolic
>  
> -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os
> +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS)
>  KBUILD_CFLAGS			+= $(DISABLE_LTO)
>  KASAN_SANITIZE			:= n
>  UBSAN_SANITIZE			:= n
> -- 
> 2.24.0.rc0.303.g954a862665-goog
> 

-- 
Kees Cook