linux-kernel - Re: [PATCH] kasan: support use-after-scope detection

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Message-ID: <8a07a127-7b51-6301-5ac9-394651dc4f95@virtuozzo.com>
Date:   Tue, 15 Nov 2016 19:51:43 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>, <glider@...gle.com>,
        <akpm@...ux-foundation.org>
CC:     <kasan-dev@...glegroups.com>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kasan: support use-after-scope detection



On 11/15/2016 07:07 PM, Dmitry Vyukov wrote:
> Gcc revision 241896 implements use-after-scope detection.
> Will be available in gcc 7. Support it in KASAN.
> 
> Gcc emits 2 new callbacks to poison/unpoison large stack
> objects when they go in/out of scope.
> Implement the callbacks and add a test.
> 
> Signed-off-by: Dmitry Vyukov <dvyukov@...gle.com>
> Cc: aryabinin@...tuozzo.com
> Cc: glider@...gle.com
> Cc: akpm@...ux-foundation.org
> Cc: kasan-dev@...glegroups.com
> Cc: linux-mm@...ck.org
> Cc: linux-kernel@...r.kernel.org
> 
> ---

Acked-by: Andrey Ryabinin <aryabinin@...tuozzo.com>