[PATCH v5 6/7] tpm: ensure that the output of PCR read contains the correct digest size

[Jarkko Sakkinen]

On Wed, Nov 14, 2018 at 04:31:07PM +0100, Roberto Sassu wrote:
> This patch protects against data corruption that could happen in the bus,
> by checking that that the digest size returned by the TPM during a PCR read
> matches the size of the algorithm passed to tpm2_pcr_read().
> 
> This check is performed after information about the PCR banks has been
> retrieved.
> 
> Signed-off-by: Roberto Sassu <roberto.sassu at huawei.com>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen at linux.intel.com>
> Cc: stable at vger.kernel.org

Missing fixes tag.

/Jarkko