linux-kernel - Re: [RFC PATCH] tpm: don't return -EINVAL if TPM command validation fails

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Message-ID: <43dcb260-a85c-fd71-fcc0-5d2526d72520@redhat.com>
Date:   Tue, 21 Nov 2017 10:27:28 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, Peter Huewe <peterhuewe@....de>,
        Philip Tricca <philip.b.tricca@...el.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        linux-integrity@...r.kernel.org,
        William Roberts <william.c.roberts@...el.com>
Subject: Re: [RFC PATCH] tpm: don't return -EINVAL if TPM command validation
 fails

On 11/21/2017 10:07 AM, Javier Martinez Canillas wrote:
> On 11/21/2017 12:15 AM, Jarkko Sakkinen wrote:
> 
>> matters less than breaking the sandbox.
>>
> 
> Yes, sorry for that. It wasn't clear to me that there was a sandbox and my
> lack of familiarity with the code was the reason why I posted as a RFC in
> the first place.
> 
> Do you agree with Jason's suggestion to send a synthesized TPM command in
> the that the command isn't supported?
> 

Sorry, this should had been: send a synthesized TPM response in the case that
the command isn't supported.

Best regards,
--
Javier Martinez Canillas
Software Engineer - Desktop Hardware Enablement
Red Hat