linux-kernel - Re: [PATCH v2] audit: record fanotify event regardless of presence of rules

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Message-ID: <aJSyXpsVfU+PfFzN@madcap2.tricolour.ca>
Date: Thu, 7 Aug 2025 10:04:14 -0400
From: Richard Guy Briggs <rgb@...hat.com>
To: Paul Moore <paul@...l-moore.com>
Cc: Linux-Audit Mailing List <linux-audit@...ts.linux-audit.osci.io>,
	LKML <linux-kernel@...r.kernel.org>, linux-fsdevel@...r.kernel.org,
	Linux Kernel Audit Mailing List <audit@...r.kernel.org>,
	Eric Paris <eparis@...isplace.org>, Steve Grubb <sgrubb@...hat.com>,
	Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>
Subject: Re: [PATCH v2] audit: record fanotify event regardless of presence
 of rules

On 2025-08-06 21:47, Paul Moore wrote:
> On Aug  6, 2025 Richard Guy Briggs <rgb@...hat.com> wrote:
> > 
> > When no audit rules are in place, fanotify event results are
> > unconditionally dropped due to an explicit check for the existence of
> > any audit rules.  Given this is a report from another security
> > sub-system, allow it to be recorded regardless of the existence of any
> > audit rules.
> > 
> > To test, install and run the fapolicyd daemon with default config.  Then
> > as an unprivileged user, create and run a very simple binary that should
> > be denied.  Then check for an event with
> > 	ausearch -m FANOTIFY -ts recent
> > 
> > Link: https://issues.redhat.com/browse/RHEL-9065
> > Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
> > ---
> > changelog:
> > v2
> > - re-add audit_enabled check
> > ---
> >  include/linux/audit.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Merged into audit/dev-staging with the plan being to merge it to
> audit/dev once the merge window closes.

Thanks Paul.

> paul-moore.com

- RGB

--
Richard Guy Briggs <rgb@...hat.com>
Sr. S/W Engineer, Kernel Security, Base Operating Systems
Remote, Ottawa, Red Hat Canada
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