linux-kernel - Re: toolchain mitigations plumbers session

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Date:   Fri, 15 Apr 2022 10:33:58 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Qing Zhao <qing.zhao@...cle.com>, Bill Wendling <morbo@...gle.com>,
        "Moreira, Joao" <joao.moreira@...el.com>,
        clang-built-linux <llvm@...ts.linux.dev>,
        LKML <linux-kernel@...r.kernel.org>,
        "Jose E. Marchesi" <jemarch@....org>
Subject: Re: toolchain mitigations plumbers session

On Fri, Apr 15, 2022 at 10:17:46AM -0700, Nick Desaulniers wrote:
> On Fri, Apr 15, 2022 at 7:50 AM Qing Zhao <qing.zhao@...cle.com> wrote:
> >
> > Hi, Nick,
> >
> > > On Apr 14, 2022, at 4:30 PM, Nick Desaulniers <ndesaulniers@...gle.com> wrote:
> > >
> > > Hi Qing, Kees, and Bill,
> > > Jose and I are currently in the planning process to put together a
> > > Kernel+Toolchain microconference track at Linux Plumbers Conference
> > > this year (Sept 12-14) in Dublin, Ireland.
> > >
> > > Would you all be interested in leading another session on
> > > kernel+toolchain collaboration for mitigations? Do you plan to attend
> > > plumbers this year which will be in person?
> >
> > I’d love to attend  plumbers this year to meet people in person!
> > But not sure whether there will be enough new, big stuff to report this year since mostly bunch of bug fixes and minor
> > Improvements to the previous work.
> 
> No worries; it doesn't need to be a presentation, or just one person
> presenting.  I think a quick review of newly developed features from
> various authors, then a discussion with consumers (kernel developers)
> would be beneficial.

Yeah, this kind of overview is what I've been doing the last few years
(with Qing last year):

https://outflux.net/slides/2021/lpc/compiler-security-features.pdf
https://outflux.net/slides/2020/lpc/gcc-and-clang-security-feature-parity.pdf
https://outflux.net/slides/2019/lpc/gcc-and-clang.pdf

-- 
Kees Cook