Date: Fri, 18 Dec 2015 13:11:52 -0800 From: Kees Cook <keescook@...omium.org> To: "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com> Subject: Re: Introduction On Fri, Dec 18, 2015 at 8:54 AM, Schaufler, Casey <casey.schaufler@...el.com> wrote: >> -----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. Fantastic! Thanks for taking a look at it. -Kees -- Kees Cook Chrome OS & Brillo Security
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