linux-kernel - Re: [PATCH v9 03/13] seccomp_filter: new mode with configurable syscall filters

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Date:	Fri, 24 Jun 2011 13:20:15 -0700
From:	Kees Cook <kees.cook@...onical.com>
To:	Will Drewry <wad@...omium.org>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	djm@...drot.org, segoon@...nwall.com, mingo@...e.hu,
	rostedt@...dmis.org, jmorris@...ei.org, fweisbec@...il.com,
	tglx@...utronix.de, scarybeasts@...il.com,
	Peter Zijlstra <peterz@...radead.org>,
	"Paul E. McKenney" <paul.mckenney@...aro.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	Eric Paris <eparis@...hat.com>,
	Borislav Petkov <borislav.petkov@....com>,
	Michal Marek <mmarek@...e.cz>, Mike Galbraith <efault@....de>,
	"Serge E. Hallyn" <serge.hallyn@...onical.com>,
	Jiri Slaby <jslaby@...e.cz>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH v9 03/13] seccomp_filter: new mode with configurable
 syscall filters

Hi Will,

On Thu, Jun 23, 2011 at 07:36:42PM -0500, Will Drewry wrote:
> This change adds a new seccomp mode which specifies the allowed system
> calls dynamically.  When in the new mode (2), all system calls are
> checked against process-defined filters - first by system call number,
> then by a filter string.  If an entry exists for a given system call and
> all filter predicates evaluate to true, then the task may proceed.
> Otherwise, the task is killed.
> [...]
> Signed-off-by: Will Drewry <wad@...omium.org>

Thanks for continuing to work on this. I look forward to being able to use
it. :)

Acked-by: Kees Cook <kees.cook@...onical.com>

-- 
Kees Cook
Ubuntu Security Team
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