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Message-ID: <99FC4B6EFCEFD44486C35F4C281DC6731F1E47BD@ORSMSX107.amr.corp.intel.com>
Date: Fri, 18 Dec 2015 16:54:33 +0000
From: "Schaufler, Casey" <casey.schaufler@...el.com>
To: "kernel-hardening@...ts.openwall.com"
<kernel-hardening@...ts.openwall.com>
Subject: RE: Introduction
> -----Original Message-----
> From: Daniel Micay [mailto:danielmicay@...il.com]
> Sent: Thursday, December 17, 2015 4:49 PM
> To: kernel-hardening@...ts.openwall.com
> Subject: Re: [kernel-hardening] Introduction
>
> On Thu, 2015-12-17 at 16:36 -0800, Kees Cook wrote:
> > On Thu, Dec 17, 2015 at 3:34 PM, Leibowitz, Michael
> > <michael.leibowitz@...el.com> wrote:
> > > I work in Intel's Open Source Technology center, along with my
> > > colleague, Elena Reshetova. I'm reasonably new real-life kernel
> > > development, having previously just mucked about. Otherwise, I'm a
> > > long-time open source/security trouble maker.
> >
> > Hi! Welcome! :)
> >
> > > I'm Interested in working on struct randomization ala RANDSTRUCT.
> > > Does this seem like a suitable task?
> >
> > I certainly wouldn't turn it down, but I would observe that it has
> > some limited utility to users of the kernel that produce binary
> > builds. e.g. all the given builds of Ubuntu with RANDSTRUCT would be
> > the same (though the next released version would see a different
> > randomization, etc). It also complicates externally built modules. I
> > see it depends on HIDESYM, though, which in turn depends on
> > PAX_USERCOPY, so it would be much weaker without these two finished
> > first.
I'm working on teasing the PAX_USERCOPY implementation
out of the greater grsecurity patch. I am reminded of a time
when I had to pull a group of small splinters from my hand.
Both for the difficulty in finding all of them, and the pain
involved. I hope to have something limping along by the end
of the month, holiday cheer permitting.
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