Re: [tpmdd-devel] [PATCH RFC v3 5/5] tpm2: expose resource manager via a device link /dev/tpms<n>

From: Jarkko Sakkinen
Date: Sun Jan 22 2017 - 15:25:08 EST


On Sun, Jan 22, 2017 at 09:49:02AM -0800, James Bottomley wrote:
> On Fri, 2017-01-20 at 23:05 +0200, Jarkko Sakkinen wrote:
> > 'tabrm4' branch has been now rebased. It's now on top of master
> > branch
> > that contains Stefan's latest patch (min body length check) that I've
> > reviewed and tested. It also contains your updated /dev/tpms patch.
> >
> > I guess the 5 commits that are there now are such that we have fairly
> > good consensus, don't we? If so, can I add your reviewed-by and
> > tested-by to my commits and vice versa?
>
> We're still failing my test_transients. This is the full python of the
> test case:
>
>
> def test_transients(self):
> k = self.open_transients()
> self.c.flush_context(k[0])
> self.c.change_auth(self.c.SRK, k[1], None, pwd1)
> ...
>
> It's failing at self.c.flush_context(k[0]) with TPM_RC_VALUE. It's the
> same problem Ken complained about: TPM2_FlushContext doesn't have a
> declared handle area so we don't translate the handle being sent down.
> We have to fix this either by intercepting the flush and manually
> translating the context, or by being dangerously clever and marking
> flush as a command which takes one handle.

I'll add interception of flush to the next patch set version.

/Jarkko