From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Yang Shi <yang.shi@linaro.org>,
will.deacon@arm.com, catalin.marinas@arm.com
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
linaro-kernel@lists.linaro.org
Subject: Re: [PATCH] arm64: kasan: instrument user memory access API
Date: Fri, 27 May 2016 14:02:08 +0300 [thread overview]
Message-ID: <57482930.6020608@virtuozzo.com> (raw)
In-Reply-To: <1464288231-11304-1-git-send-email-yang.shi@linaro.org>
On 05/26/2016 09:43 PM, 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.
>
> Tested by test_kasan module.
>
> Signed-off-by: Yang Shi <yang.shi@linaro.org>
> ---
> arch/arm64/include/asm/uaccess.h | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
Please, cover __copy_from_user() and __copy_to_user() too.
Unlike x86, your patch doesn't instrument these two.
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next prev parent reply other threads:[~2016-05-27 11:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-26 18:43 Yang Shi
2016-05-27 11:02 ` Andrey Ryabinin [this message]
2016-05-27 16:34 ` Shi, Yang
2016-05-27 17:46 ` Mark Rutland
2016-05-27 18:05 ` Shi, Yang
2016-05-27 12:38 ` Mark Rutland
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