[PATCH v6 4/6] arm64: add seccomp syscall for compat task

[Kees Cook]

On Thu, Aug 21, 2014 at 3:56 AM, AKASHI Takahiro
<takahiro.akashi at linaro.org> wrote:
> This patch allows compat task to issue seccomp() system call.
>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
> ---
>  arch/arm64/include/asm/unistd.h   |    2 +-
>  arch/arm64/include/asm/unistd32.h |    3 +++
>  2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
> index 4bc95d2..cf6ee31 100644
> --- a/arch/arm64/include/asm/unistd.h
> +++ b/arch/arm64/include/asm/unistd.h
> @@ -41,7 +41,7 @@
>  #define __ARM_NR_compat_cacheflush     (__ARM_NR_COMPAT_BASE+2)
>  #define __ARM_NR_compat_set_tls                (__ARM_NR_COMPAT_BASE+5)
>
> -#define __NR_compat_syscalls           383
> +#define __NR_compat_syscalls           384
>  #endif
>
>  #define __ARCH_WANT_SYS_CLONE
> diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
> index e242600..2922c40 100644
> --- a/arch/arm64/include/asm/unistd32.h
> +++ b/arch/arm64/include/asm/unistd32.h
> @@ -787,3 +787,6 @@ __SYSCALL(__NR_sched_setattr, sys_sched_setattr)
>  __SYSCALL(__NR_sched_getattr, sys_sched_getattr)
>  #define __NR_renameat2 382
>  __SYSCALL(__NR_renameat2, sys_renameat2)
> +#define __NR_seccomp 383
> +__SYSCALL(__NR_seccomp, sys_seccomp)
> +

Nit: this adds a trailing blank line. Other than that:

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

-Kees

> --
> 1.7.9.5
>



-- 
Kees Cook
Chrome OS Security