Date: Fri, 11 Dec 2015 10:44:40 -0800 From: Kees Cook <keescook@...omium.org> To: "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com> Cc: "Schaufler, Casey" <casey.schaufler@...el.com>, Catalin Marinas <catalin.marinas@....com>, PaX Team <pageexec@...email.hu>, Michael Ellerman <mpe@...erman.id.au>, Heiko Carstens <heiko.carstens@...ibm.com>, Ralf Baechle <ralf@...ux-mips.org> Subject: Re: Self Introduction On Fri, Dec 11, 2015 at 9:54 AM, <Valdis.Kletnieks@...edu> wrote: > On Thu, 10 Dec 2015 11:45:35 -0800, Kees Cook said: >> On Thu, Dec 10, 2015 at 11:38 AM, Schaufler, Casey > >> That's great! Thanks for speaking up. Another area that hasn't seen >> any traction yet is PAX_USERCOPY. Valdis seems to be MIA, so I'd love >> to see someone else take on that chunk of work. > > Whoops. sorry.. I just didn't have anything in a state ready to share, > and I got sidetracked by a week in the hospital (am all OK now, thankfully). Yikes! Glad you're okay. If other people have more time to dedicate to PAX_USERCOPY extraction, maybe you could help with testing? Or what do you think? > Biggest problem is just taking one big 7M patch and teasing out just the > USERCOPY parts, and then re-arranging it into something that upstream will > be willing to take. Just lots and lots of grunt work. Yup, that's the first step in the work. Well, first is extraction, then figuring out the best way to upstream. > I don't suppose the grsecurity guys have a git repo where a lot of the > heavy duty lifting is already done? :) AIUI, no such thing exists. :) -Kees -- Kees Cook Chrome OS & Brillo Security
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