linux-kernel - Re: Should audit_seccomp check audit

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Date:	Fri, 23 Oct 2015 10:01:50 -0700
From:	Kees Cook <keescook@...omium.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-audit@...hat.com, Richard Guy Briggs <rgb@...hat.com>
Subject: Re: Should audit_seccomp check audit_enabled?

On Fri, Oct 23, 2015 at 9:19 AM, Andy Lutomirski <luto@...capital.net> wrote:
> I would argue that, if auditing is off, audit_seccomp shouldn't do
> anything.  After all, unlike e.g. selinux, seccomp is not a systemwide
> policy, and seccomp signals might be ordinary behavior that's internal
> to the seccomp-using application.  IOW, for people with audit compiled
> in and subscribed by journald but switched off, I think that the
> records shouldn't be emitted.
>
> If you agree, I can send the two-line patch.

I think signr==0 states (which I would identify as "intended
behavior") don't need to be reported under any situation, but audit
folks wanted to keep it around.

-Kees

-- 
Kees Cook
Chrome OS Security
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