Re: [v3 PATCH] arm64: kasan: instrument user memory access API

From	Catalin Marinas <catalin.marinas@arm.com>
Newsgroups	linux.kernel
Subject	Re: [v3 PATCH] arm64: kasan: instrument user memory access API
Date	2016-06-21 16:50 +0200
Message-ID	<rMva2-75u-21@gated-at.bofh.it> (permalink)
References	<rHTPI-5Z7-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, Jun 08, 2016 at 02:40:56PM -0700, Yang Shi wrote:
> The upstream commit 1771c6e1a567ea0ba2cccc0a4ffe68a1419fd8ef
> ("x86/kasan: instrument user memory access API") added KASAN instrument to
> x86 user memory access API, so added such instrument to ARM64 too.
> 
> Define __copy_to/from_user in C in order to add kasan_check_read/write call,
> rename assembly implementation to __arch_copy_to/from_user.
> 
> Tested by test_kasan module.
> 
> Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> Reviewed-by: Mark Rutland <mark.rutland@arm.com>
> Tested-by: Mark Rutland <mark.rutland@arm.com>
> Signed-off-by: Yang Shi <yang.shi@linaro.org>

Queued for 4.8. Thanks.

-- 
Catalin

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Re: [v3 PATCH] arm64: kasan: instrument user memory access API Catalin Marinas <catalin.marinas@arm.com> - 2016-06-21 16:50 +0200

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