On Mon, 6 Sept 2021 at 16:39, Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx> wrote: > IMHO the real problem here is that the user/trusted/system/security > 'namespaces' are arbitrary hacks rather than a proper namespacing > mechanism that allows you to create new (nested) namespaces and associate > permissions with each one. Indeed. This is what Eric Biederman suggested at some point for supporting trusted xattrs within a user namespace: | For trusted xattrs I think it makes sense in principle. The namespace | would probably become something like "trusted<ns-root-uid>.". Theory sounds simple enough. Anyone interested in looking at the details? Thanks, Miklos
