Re: [PATCH] kasan: turn off -fsanitize-address-use-after-scope for now
From: Dmitry Vyukov
Date: Thu Nov 24 2016 - 09:41:36 EST
On Wed, Nov 23, 2016 at 7:49 PM, Andrew Morton
> On Wed, 23 Nov 2016 10:33:41 +0100 Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
>> On Wed, Nov 23, 2016 at 9:46 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>> > 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@xxxxxxxxxx>
>> >> 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@xxxxxxxxxx>
>> >> 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.
>> +Andrew, what is the plan for the "[PATCH] kasan: update kasan_global
>> for gcc 7" patch?
>> Do I need to remail to include Cc:stable?
> I'm planning on merging it into 4.10-rc1. There's nothing in the
> changelog to indicate that it is more urgent than that.
> Please send out a new changelog which can be used to justify a merge
> into 4.9 and -stable.
Remailed the patches with Cc: stable@xxxxxxxxxxxxxxx # 4.0+
and with a note that without these patches KASAN is broken with gcc 7.