[PATCH 1/2] audit: show user land backtrace as part of audit context messages

[Daniel Walker (danielwa)]

On Tue, Feb 02, 2021 at 04:35:42PM -0500, Paul Moore wrote:
> On Tue, Feb 2, 2021 at 4:29 PM Daniel Walker <danielwa at cisco.com> wrote:
> > From: Victor Kamensky <kamensky at cisco.com>
> >
> > To efficiently find out where SELinux AVC denial is comming from
> > take backtrace of user land process and display it as type=UBACKTRACE
> > message that comes as audit context for SELinux AVC and other audit
> > messages ...
> 
> Have you tried the new perf tracepoint for SELinux AVC decisions that
> trigger an audit event?  It's a new feature for v5.10 and looks to
> accomplish most of what you are looking for with this patch.
> 
> * https://www.paul-moore.com/blog/d/2020/12/linux_v510.html

We haven't tried it, but I can look into it. We're not using v5.10 extensively
yet.

Daniel