Re: [dm-devel] [RFC PATCH v5 00/11] Integrity Policy Enforcement LSM (IPE)
From: Mimi Zohar
Date: Fri Aug 07 2020 - 13:32:37 EST
On Sat, 2020-08-08 at 02:41 +1000, James Morris wrote:
> On Thu, 6 Aug 2020, Mimi Zohar wrote:
> > On Thu, 2020-08-06 at 09:51 +1000, James Morris wrote:
> > > On Wed, 5 Aug 2020, Mimi Zohar wrote:
> > >
> > > > If block layer integrity was enough, there wouldn't have been a need
> > > > for fs-verity. Even fs-verity is limited to read only filesystems,
> > > > which makes validating file integrity so much easier. From the
> > > > beginning, we've said that fs-verity signatures should be included in
> > > > the measurement list. (I thought someone signed on to add that support
> > > > to IMA, but have not yet seen anything.)
> > > >
> > > > Going forward I see a lot of what we've accomplished being incorporated
> > > > into the filesystems. When IMA will be limited to defining a system
> > > > wide policy, I'll have completed my job.
> > >
> > > What are your thoughts on IPE being a standalone LSM? Would you prefer to
> > > see its functionality integrated into IMA?
> > Improving the integrity subsystem would be preferred.
> Are you planning to attend Plumbers? Perhaps we could propose a BoF
> session on this topic.
That sounds like a good idea.