linux-kernel - Re: [PATCH] kasan: turn off -fsanitize-address-use-after-scope for now

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Message-ID: <3117683.gtMMlH1SLc@wuerfel>
Date:   Wed, 23 Nov 2016 09:46:42 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Andrey Ryabinin <aryabinin@...tuozzo.com>
Cc:     Martin Liška <marxin@....gnu.org>,
        stable@...r.kernel.org, Michal Marek <mmarek@...e.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        linux-kbuild@...r.kernel.org, kasan-dev@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kasan: turn off -fsanitize-address-use-after-scope for now

On Wednesday, November 23, 2016 11:25:49 AM CET Andrey Ryabinin wrote:
> 
> We have implementation for this feature:
>         "[PATCH] kasan: support use-after-scope detection" - http://lkml.kernel.org/r/<1479226045-145148-1-git-send-email-dvyukov@...gle.com>
> and given how simple it is I'd suggest to just backport implementation.
> 
> BTW, we also need "[PATCH] kasan: update kasan_global for gcc 7" - http://lkml.kernel.org/r/<1479219743-28682-1-git-send-email-dvyukov@...gle.com>
> in v4.0+ stable.

Ah, good. What's the plan for this patch? Would you still expect to
see that merged into v4.9, or get backported later once it's part of v4.10?

Either way, you proabably want a Cc:stable tag on it to trigger the
backport to older kernels.

	Arnd