[RFC PATCH] security: add an interface to lookup the lockdown reason

[Paul Moore]

On Tue, Dec 10, 2019 at 10:45 AM Stephen Smalley <sds at tycho.nsa.gov> wrote:
> On 12/10/19 10:04 AM, Paul Moore wrote:
> > On Tue, Dec 10, 2019 at 9:59 AM Stephen Smalley <sds at tycho.nsa.gov> wrote:
> >> On 12/9/19 9:28 PM, Paul Moore wrote:
> >>> With CONFIG_AUDIT enabled but CONFIG_SECURITY disabled we run into
> >>> a problem where the lockdown reason table is missing.  This patch
> >>> attempts to fix this by hiding the table behind a lookup function.
> >>
> >> Shouldn't lsm_audit.c be conditional on both CONFIG_AUDIT and
> >> CONFIG_SECURITY?  When/why would we want it built without
> >> CONFIG_SECURITY enabled?
> >
> > My first thought of a fix was just that, but I remembered that the
> > capabilities code is built regardless of the CONFIG_SECURITY setting
> > and I thought there might be some value in allowing for lsm_audit to
> > be used in commoncap (although in full disclosure commoncap doesn't
> > currently make use of lsm_audit).
>
> Seems contrary to normal practice, i.e. if/when commoncap grows a
> dependency, it can be changed then.

Okay, want to submit a tested patch?  I really would like to get this
fixed before today's linux-next run.

-- 
paul moore
www.paul-moore.com