From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mimi Zohar Subject: Re: [PATCH] tpm: Fix expected number of response bytes of TPM1.2 PCR Extend Date: Fri, 17 Feb 2017 07:46:38 -0500 Message-ID: <1487335598.15611.9.camel@linux.vnet.ibm.com> References: <1487177783-15687-1-git-send-email-stefanb@linux.vnet.ibm.com> <20170215180903.3simazptqnlhbqi6@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170215180903.3simazptqnlhbqi6@intel.com> Sender: owner-linux-security-module@vger.kernel.org To: James Morris Cc: Stefan Berger , tpmdd-devel@lists.sourceforge.net, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Jarkko Sakkinen List-Id: tpmdd-devel@lists.sourceforge.net 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 > > Acked-by: Mimi Zohar > > Reviewed-by: Jarkko Sakkinen 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? thanks, Mimi