linux-kernel - Re: [PATCH 2/3] vsyscall_64: allow SECCOMP_RET

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Message-ID: <CAObL_7EuKc1-gYCeaB=o1DypwEeTqMDxXSg5iXfPYXTYVU1_DQ@mail.gmail.com>
Date:	Mon, 13 Aug 2012 11:17:17 -0700
From:	Andrew Lutomirski <luto@....edu>
To:	James Morris <jmorris@...ei.org>
Cc:	Will Drewry <wad@...omium.org>, Kees Cook <keescook@...omium.org>,
	james.l.morris@...cle.com, rob@...dley.net,
	linux-doc@...r.kernel.org, cevans@...omium.org, hpa@...or.com,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	eparis@...hat.com, fengxj325@...il.com
Subject: Re: [PATCH 2/3] vsyscall_64: allow SECCOMP_RET_TRACErs to skip

On Fri, Aug 10, 2012 at 2:14 AM, James Morris <jmorris@...ei.org> wrote:
> On Sat, 14 Jul 2012, Will Drewry wrote:
>
>> Agreed :) I don't mind making tweaks to get it right, but this only
>> matters to users that want to:
>> - use seccomp filter
>> - with ptrace (or trap with resumption and not sigreturn)
>> - of time, gettimeofday, and getcpu
>> since they will then have to include quirk management _just_ in case
>> their code is linked against something using vsyscall and
>> vsyscall=emulate is in effect!
>
> I think these patches came out during the merge window -- is there any
> further discussion on them?

The patch I sent on Aug 1 is the latest version.  I don't think
there's been any further discussion -- everyone seems reasonably happy
with that version.

--Andy

>
>
> - James
> --
> James Morris
> <jmorris@...ei.org>
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