Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754857AbdCINev (ORCPT ); Thu, 9 Mar 2017 08:34:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53346 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750770AbdCINeu (ORCPT ); Thu, 9 Mar 2017 08:34:50 -0500 From: Steve Grubb To: linux-audit@redhat.com Cc: Richard Guy Briggs , Steven Rostedt , Greg Kroah-Hartman , LKML , Al Viro , Ingo Molnar Subject: Re: Hundreds of null PATH records for *init_module syscall audit logs Date: Thu, 09 Mar 2017 08:33:14 -0500 Message-ID: <5936704.Br2IElDqrA@x2> Organization: Red Hat In-Reply-To: <20170307160027.GB10258@madcap2.tricolour.ca> References: <20170301031549.GT18258@madcap2.tricolour.ca> <20170307104139.38f5cd38@gandalf.local.home> <20170307160027.GB10258@madcap2.tricolour.ca> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 09 Mar 2017 13:33:16 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1187 Lines: 31 On Tuesday, March 7, 2017 11:00:27 AM EST Richard Guy Briggs wrote: > 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/ UpZoYuokojR0es1ayNdx5l5M1UNdIGYhy > > > RLivL9gydE=/> > > 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. They should be tossed. They do not help in any way. What we need for an auxiliary record is simply the module's name. That's all. -Steve