Hundreds of null PATH records for *init_module syscall audit logs

Steve Grubb sgrubb at redhat.com
Thu Mar 9 13:33:14 UTC 2017


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 <rgb at redhat.com> 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




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