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Message-ID: <CAGXu5j+ponF+a3aoCnLqEVfBy545BsxT4w=8KGikNCb_24ZgyQ@mail.gmail.com>
Date: Fri, 6 Nov 2015 10:15:25 -0800
From: Kees Cook <keescook@...omium.org>
To: "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>
Subject: Re: Re: Kernel Self Protection Project
On Fri, Nov 6, 2015 at 8:00 AM, Quentin Casasnovas
<quentin.casasnovas@...cle.com> wrote:
> On 2015-11-05, Kees Cook <keescook@...omium.org> wrote:
>> I'm organizing a community of people to work on the various kernel
>> self-protection technologies (most of which are found in PaX and
>> Grsecurity). I'm building on the presentation I gave at Kernel Summit
>> where I sought to convince the other upstream Linux kernel developers
>> that security is more than fixing bugs, and that we need to bring in
>> proactive defenses:
>> http://lwn.net/Articles/662219/
>>
>
> Great initiative!
>
>>
>> For now, I'm going to focus on taking a look at the PAX_SIZE_OVERFLOW
>> gcc plugin, which will also get us the gcc plugin infrastructure.
>> Other people, please speak up on what you'd like to tackle.
>>
>
> Not that it's complex but I already have a branch with the gcc plugin
> infrastructure split up if you're interested and you reckon that can save
> you some time.
Sure, what's the URL?
I actually think that just splitting out features might be a good
first step all around. Most folks aren't very familiar with the
PaX/Grsec patches, and they, in their monolithic nature, can be hard
to understand. Many depend on each other, but some are separable.
I'm also hoping Emese Revfy[1] might be interested in driving
PAX_SIZE_OVERFLOW too, which would be terrific, since she's way more
qualified than me to do it. /me awaits emails. :)
-Kees
[1] https://github.com/ephox-gcc-plugins/size_overflow
--
Kees Cook
Chrome OS Security
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