Re: [PATCH] KEYS: trusted: allow module init if TPM is inactive or deactivated

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On 2019-08-05 18:51:09, Roberto Sassu wrote:
> On 8/5/2019 6:04 PM, Tyler Hicks wrote:
> > On 2019-08-05 11:54:19, Mimi Zohar wrote:
> > > On Mon, 2019-08-05 at 16:50 +0200, Roberto Sassu wrote:
> > > > Regarding Mimi's proposal to avoid the issue by extending the PCR with
> > > > zeros, I think it also achieve the goal.
> > > 
> > > Roberto, removing the following code from init_digests() would be the
> > > equivalent to the prior code, without needing to make any other
> > > changes.  Let's keep it simple.  Do you want to post the patch with
> > > the change, or should I?
> > > 
> > >          ret = tpm_get_random(chip, digest, TPM_MAX_DIGEST_SIZE);
> > >          if (ret < 0)
> > >                  return ret;
> > >          if (ret < TPM_MAX_DIGEST_SIZE)
> > >                  return -EFAULT;
> > > 
> > > As I can't duplicate the problem, it would need to be tested by others
> > > experiencing the problem.
> > 
> > The bug reporter tested Roberto's last patch:
> > 
> >   https://bugzilla.kernel.org/show_bug.cgi?id=203953#c8
> > 
> > We should Cc the reporter on future patches or at least leave another
> > testing request in the bugzilla.
> 
> I don't see the reporter's email. Please ask him to test the new patch.

Done!

Tyler

> 
> Thanks
> 
> Roberto
> 
> -- 
> HUAWEI TECHNOLOGIES Duesseldorf GmbH, HRB 56063
> Managing Director: Li Peng, Li Jian, Shi Yanli



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