linux-kernel - Re: [PATCH 1/9] Known exploit detection

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Message-ID: <CALCETrXSXsSe575NNPbw9ewH2J-A0enNufqOoD7G2dLRTLqa4Q@mail.gmail.com>
Date:	Thu, 12 Dec 2013 16:45:00 -0800
From:	Andy Lutomirski <luto@...capital.net>
To:	Dave Jones <davej@...hat.com>, Kees Cook <keescook@...omium.org>,
	"Theodore Ts'o" <tytso@....edu>, vegard.nossum@...cle.com,
	LKML <linux-kernel@...r.kernel.org>,
	Tommi Rantala <tt.rantala@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andy Lutomirski <luto@...capital.net>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Alan Cox <alan@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jason Wang <jasowang@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	James Morris <james.l.morris@...cle.com>
Subject: Re: [PATCH 1/9] Known exploit detection

On Thu, Dec 12, 2013 at 4:25 PM, Dave Jones <davej@...hat.com> wrote:
> On Thu, Dec 12, 2013 at 01:13:41PM -0800, Kees Cook wrote:
>
>  > - who will keep adding these triggers going forward?
>
> also..
>
> - Who will test the existing triggers are doing the right thing when related code changes.
>
> We could add something to tests/ maybe for each exploit() addition, to make sure some
> new change isn't introducing an oopsable (or worse!) bug in the actual exploit test.
>
> It does mean someone needs to be regularly running said tests though.
> As history has shown, things like nx_test have been broken for months at a time without
> anyone complaining.  Perhaps Fenguang Wu can add something to the daily test runs if
> we add an over all "make test-secure" target or similar.

This has the added benefit of making sure that the exploits don't
(trivially) regress.

--Andy

>
>         Dave
>



-- 
Andy Lutomirski
AMA Capital Management, LLC
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