linux-kernel - Re: Linux 3.6

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Message-ID: <20121009185153.GA13342@elliptictech.com>
Date:	Tue, 9 Oct 2012 14:51:54 -0400
From:	Nick Bowler <nbowler@...iptictech.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	Kees Cook <kees@...flux.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Theodore Ts'o <tytso@....edu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.6

On 2012-10-04 23:30 +0200, Stefan Richter wrote:
> On Oct 04 Nick Bowler wrote:
> > On 2012-10-04 09:14 -0700, Kees Cook wrote:
> > > On Thu, Oct 04, 2012 at 12:03:54PM -0400, Nick Bowler wrote:
> > > > On 2012-10-04 08:49 -0700, Kees Cook wrote:
> > > > > FWIW, there should have been an audit message about it in dmesg.
[...]
> > > >   # dmesg
> > > >   (no output)
> > > 
> > > Well that's sad. :( Two situations I can think of for that:
> > > - the kernel wasn't build with CONFIG_AUDIT
> > 
> > Indeed, I do not have this option enabled.  Why would I have it?  The
> > description says it's for SELinux, which I do not use.
> 
> It says it is /among else/ for SELinux.  Another user appears to be
> ConsoleKit, which wants CONFIG_AUDITSYSCALL, which depends on CONFIG_AUDIT.

Indeed, you are correct that the help text does imply that there are
(potentially) other users besides SElinux, although it does not say what
they are.  Regardless, the point is that I have no idea why I would have
this optional feature enabled, as I still don't even know what it does
because the help text doesn't actually say.  I even found a website,
http://people.redhat.com/sgrubb/audit/, which seems to be related to
this feature but even here I cannot find one sentence explaining what
the feature is.

Well, from this thread I now know that this feature enables, at least
in some cases, printk messages when your previously-working scripts are
broken by a kernel update.

Cheers,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)

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