From: Jason Gunthorpe <jgg@ziepe.ca>
To: Javier Martinez Canillas <javierm@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Peter Huewe <peterhuewe@gmx.de>,
Philip Tricca <philip.b.tricca@intel.com>,
linux-integrity@vger.kernel.org,
William Roberts <william.c.roberts@intel.com>
Subject: Re: [RFC PATCH] tpm: don't return -EINVAL if TPM command validation fails
Date: Fri, 17 Nov 2017 10:58:34 -0700 [thread overview]
Message-ID: <20171117175834.GK4276@ziepe.ca> (raw)
In-Reply-To: <0e88aaa8-7d17-9cf7-c208-e31604a0e764@redhat.com>
On Fri, Nov 17, 2017 at 06:56:09PM +0100, Javier Martinez Canillas wrote:
> Yes, the problem with that is user-space not having enough information about
> what went wrong. Right now the TCTI layer just reports TSS2_BASE_RC_IO_ERROR
> in this case and can't be blamed.
Well, if you care about the differnce between a transport failure and
a kernel rejection due to validation, then it needs to report a
different code :)
> > Regarding your specific issue, can you make the command you want to
> > use validate? Would that make sense?
>
> Sorry, I'm not sure to understand what you meant. Could you please elaborate?
Make it so tpm_validate will accept the command being sent.
Jason
next prev parent reply other threads:[~2017-11-17 17:58 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-17 10:07 [RFC PATCH] tpm: don't return -EINVAL if TPM command validation fails Javier Martinez Canillas
2017-11-17 16:57 ` Jason Gunthorpe
2017-11-17 17:56 ` Javier Martinez Canillas
2017-11-17 17:58 ` Jason Gunthorpe [this message]
2017-11-17 18:10 ` Javier Martinez Canillas
2017-11-17 18:17 ` Jason Gunthorpe
2017-11-17 18:34 ` Javier Martinez Canillas
2017-11-17 19:14 ` Roberts, William C
2017-11-17 23:55 ` Jason Gunthorpe
2017-11-18 0:53 ` Javier Martinez Canillas
2017-11-19 15:27 ` Jason Gunthorpe
2017-11-20 9:26 ` Javier Martinez Canillas
2017-11-20 16:14 ` Roberts, William C
2017-11-20 18:02 ` Jason Gunthorpe
2017-11-20 18:04 ` Jason Gunthorpe
2017-12-08 20:03 ` Ken Goldman
2017-12-08 20:18 ` Jason Gunthorpe
2017-12-08 19:58 ` Ken Goldman
2017-11-20 23:15 ` Jarkko Sakkinen
2017-11-21 9:07 ` Javier Martinez Canillas
2017-11-21 9:27 ` Javier Martinez Canillas
2017-11-21 12:30 ` Jarkko Sakkinen
2017-11-21 12:49 ` Javier Martinez Canillas
[not found] ` <DB638850A6A2434A93ECADDA0BC838905F09D5D9@ORSMSX103.amr.corp.intel.com>
2017-11-22 17:16 ` FW: " flihp
2017-11-22 19:25 ` Javier Martinez Canillas
2017-11-26 14:21 ` Jarkko Sakkinen
2017-11-29 11:26 ` Javier Martinez Canillas
2017-11-22 20:13 ` Jason Gunthorpe
2017-12-08 20:16 ` Ken Goldman
2017-12-08 20:20 ` Jason Gunthorpe
2017-11-26 14:18 ` Jarkko Sakkinen
2017-11-26 23:23 ` Javier Martinez Canillas
2017-11-26 14:14 ` Jarkko Sakkinen
2017-11-21 20:29 ` Roberts, William C
2017-11-22 9:26 ` Javier Martinez Canillas
2017-11-26 14:12 ` Jarkko Sakkinen
2017-11-26 23:19 ` Javier Martinez Canillas
2017-12-08 20:11 ` Ken Goldman
2017-11-26 14:06 ` Jarkko Sakkinen
2017-12-08 20:20 ` Ken Goldman
2017-12-08 21:34 ` Javier Martinez Canillas
2017-12-17 16:47 ` Jarkko Sakkinen
2017-12-17 18:18 ` Javier Martinez Canillas
2017-12-22 17:38 ` Ken Goldman
2017-12-14 13:11 ` Jarkko Sakkinen
2017-12-08 19:51 ` Ken Goldman
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