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SubjectRe: [dm-devel] [RFC PATCH v5 00/11] Integrity Policy Enforcement LSM (IPE)
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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.

Mimi

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