linux-kernel - Re: [PATCH v2 5/5] arm64: add KASan support

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Message-id: <55AE56DB.4040607@samsung.com>
Date:	Tue, 21 Jul 2015 17:27:39 +0300
From:	Andrey Ryabinin <a.ryabinin@...sung.com>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	David Keitel <dkeitel@...eaurora.org>,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH v2 5/5] arm64: add KASan support

On 07/21/2015 01:36 PM, Linus Walleij wrote:
> On Wed, Jun 17, 2015 at 11:32 PM, Andrey Ryabinin
> <ryabinin.a.a@...il.com> wrote:
>> 2015-06-13 18:25 GMT+03:00 Linus Walleij <linus.walleij@...aro.org>:
>>>
>>> On Fri, Jun 12, 2015 at 8:14 PM, Andrey Ryabinin <ryabinin.a.a@...il.com> wrote:
>>>> 2015-06-11 16:39 GMT+03:00 Linus Walleij <linus.walleij@...aro.org>:
>>>>> On Fri, May 15, 2015 at 3:59 PM, Andrey Ryabinin <a.ryabinin@...sung.com> wrote:
>>>>>
>>>>>> This patch adds arch specific code for kernel address sanitizer
>>>>>> (see Documentation/kasan.txt).
>>>>>
>>>>> I looked closer at this again ... I am trying to get KASan up for
>>>>> ARM(32) with some tricks and hacks.
>>>>>
>>>>
>>>> I have some patches for that. They still need some polishing, but works for me.
>>>> I could share after I get back to office on Tuesday.
>>>
>>> OK! I'd be happy to test!
>>>
>>
>> I've pushed it here : git://github.com/aryabinin/linux.git kasan/arm_v0
>>
>> It far from ready. Firstly I've tried it only in qemu and it works.
> 
> Hm what QEMU model are you using? I tried to test it with Versatile
> (the most common) and it kinda boots and hangs:
> 

I used vexpress. Anyway, it doesn't matter now, since I have an update
with a lot of stuff fixed, and it works on hardware.
I still need to do some work on it and tomorrow, probably, I will share.




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