linux-kernel - Re: [PATCH v6 4/6] arm64: add seccomp syscall for compat task

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Message-ID: <53F69147.4040204@linaro.org>
Date:	Fri, 22 Aug 2014 09:39:35 +0900
From:	AKASHI Takahiro <takahiro.akashi@...aro.org>
To:	Kees Cook <keescook@...omium.org>
CC:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Deepak Saxena <dsaxena@...aro.org>, arndb@...db.de,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linaro-kernel@...ts.linaro.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 4/6] arm64: add seccomp syscall for compat task

On 08/22/2014 02:52 AM, Kees Cook wrote:
> On Thu, Aug 21, 2014 at 3:56 AM, AKASHI Takahiro
> <takahiro.akashi@...aro.org> wrote:
>> This patch allows compat task to issue seccomp() system call.
>>
>> Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.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:

I will fix it.
Thanks,

-Takahiro AKASHI

> Reviewed-by: Kees Cook <keescook@...omium.org>
>
> -Kees
>
>> --
>> 1.7.9.5
>>
>
>
>
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