Re: [PATCH] tpm: Fix expected number of response bytes of TPM1.2 PCR Extend

Mimi Zohar
2017-02-17T18:50:25Z

On Fri, 2017-02-17 at 20:45 +0200, Jarkko Sakkinen wrote:
> On Fri, Feb 17, 2017 at 07:46:38AM -0500, Mimi Zohar wrote:
> > Hi James,
> >
> > On Wed, 2017-02-15 at 20:09 +0200, Jarkko Sakkinen wrote:
> > > On Wed, Feb 15, 2017 at 11:56:23AM -0500, Stefan Berger wrote:
> > > > The TPM1.2 PCR Extend operation only returns 20 bytes in the body,
> > > > which is the size of the PCR state.
> > > >
> > > > This fixes a problem where IMA gets errors with every PCR Extend.
> > > >
> > > > Fixes: c659af78eb7b ("tpm: Check size of response before accessing data")
> > > > Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
> > > > Acked-by: Mimi Zohar <zohar@us.ibm.com>
> > >
> > > Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> >
> > This patch needs to be included with the rest of the patches being
> > upstreamed in the next open window. Should Jarkko or I send you a pull
> > request for it?

> I'm sending a pull request after the weekend. It will contain
> only a few small scoped fixes so wouldn't it be easiest if I
> just include this to the pack?

As long as it makes it into the James' pull request to Linus, that's
fine.

Mimi