Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933039AbdCGQZZ (ORCPT ); Tue, 7 Mar 2017 11:25:25 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56012 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932952AbdCGQZL (ORCPT ); Tue, 7 Mar 2017 11:25:11 -0500 Date: Tue, 7 Mar 2017 11:00:27 -0500 From: Richard Guy Briggs To: Steven Rostedt Cc: Paul Moore , Linux-Audit Mailing List , LKML , Greg Kroah-Hartman , Ingo Molnar , Al Viro Subject: Re: Hundreds of null PATH records for *init_module syscall audit logs Message-ID: <20170307160027.GB10258@madcap2.tricolour.ca> References: <20170301031549.GT18258@madcap2.tricolour.ca> <20170301033704.GU18258@madcap2.tricolour.ca> <20170307033954.GS18258@madcap2.tricolour.ca> <20170307104139.38f5cd38@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170307104139.38f5cd38@gandalf.local.home> User-Agent: Mutt/1.5.21 (2010-09-15) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 07 Mar 2017 16:00:34 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1105 Lines: 32 On 2017-03-07 10:41, Steven Rostedt wrote: > On Mon, 6 Mar 2017 22:39:54 -0500 > Richard Guy Briggs wrote: > > > >From the output I've seen, it doesn't look particularly useful, but it > > was useful to finally see the source of those huge numbers of PATH > > records. Here's an fpaste: > > https://paste.fedoraproject.org/paste/UpZoYuokojR0es1ayNdx5l5M1UNdIGYhyRLivL9gydE=/ > > Those are the files for the module's trace events that are created. > > I'm still confused about what the issue is. The issue is the audit subsystem being overwhelmed by potentially useless information. The initial report was "there's a bunch of null PATH records, please make them go away", which was anywhere from 500 to 6000 records. Once I found out what they generally were and a way to enumerate the contents, we're reviewing that assessment to see if they really should be tossed, or listed out in full. > -- Steve - RGB -- Richard Guy Briggs Kernel Security Engineering, Base Operating Systems, Red Hat Remote, Ottawa, Canada Voice: +1.647.777.2635, Internal: (81) 32635