linux-kernel - Re: [PATCH v8 3/8] seccomp: add system call filtering using BPF

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Message-ID: <4F3DBA76.8090104@zytor.com>
Date:	Thu, 16 Feb 2012 18:24:54 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Eric Paris <eparis@...hat.com>
CC:	Will Drewry <wad@...omium.org>,
	Markus Gutschke <markus@...omium.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-doc@...r.kernel.org, kernel-hardening@...ts.openwall.com,
	netdev@...r.kernel.org, x86@...nel.org, arnd@...db.de,
	davem@...emloft.net, mingo@...hat.com, oleg@...hat.com,
	peterz@...radead.org, rdunlap@...otime.net, mcgrathr@...omium.org,
	tglx@...utronix.de, luto@....edu, serge.hallyn@...onical.com,
	djm@...drot.org, scarybeasts@...il.com, indan@....nu,
	pmoore@...hat.com, akpm@...ux-foundation.org, corbet@....net,
	eric.dumazet@...il.com, keescook@...omium.org
Subject: Re: [PATCH v8 3/8] seccomp: add system call filtering using BPF

On 02/16/2012 04:50 PM, Eric Paris wrote:
> 
> I don't know if anyone cares, but include/linux/audit.h tries to expose
> this type of information so audit userspace can later piece things back
> together.  (we get this info from the syscall entry exit code so we know
> which arch it is).
> 
> Not sure how x32 is hoping to expose its syscall info, but others are
> going to have the same/similar problem.
> 

It would be nice if audit could (eventually?) use the same facility, too.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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