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

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.