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

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Message-ID: <alpine.LRH.2.02.1208101913160.14083@tundra.namei.org>
Date:	Fri, 10 Aug 2012 19:14:32 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Will Drewry <wad@...omium.org>
cc:	Andrew Lutomirski <luto@....edu>,
	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 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?


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