From: "Daniel P. Smith" <dpsmith@apertussolutions.com>
To: Jarkko Sakkinen <jarkko@kernel.org>,
Lino Sanfilippo <l.sanfilippo@kunbus.com>,
Alexander Steffen <Alexander.Steffen@infineon.com>,
Jason Gunthorpe <jgg@ziepe.ca>, Sasha Levin <sashal@kernel.org>,
linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Ross Philipson <ross.philipson@oracle.com>,
Kanth Ghatraju <kanth.ghatraju@oracle.com>,
Peter Huewe <peterhuewe@gmx.de>
Subject: Re: [PATCH 1/3] tpm: protect against locality counter underflow
Date: Sun, 25 Feb 2024 06:23:13 -0500 [thread overview]
Message-ID: <44267c53-496d-4e41-896a-623673d938cb@apertussolutions.com> (raw)
In-Reply-To: <CZCH5V83WBBV.20JR0RC1GJVJY@suppilovahvero>
On 2/23/24 07:58, Jarkko Sakkinen wrote:
> On Fri Feb 23, 2024 at 3:58 AM EET, Daniel P. Smith wrote:
>>> Just adding here that I wish we also had a log transcript of bug, which
>>> is right now missing. The explanation believable enough to move forward
>>> but I still wish to see a log transcript.
>>
>> That will be forth coming.
>
> I did not respond yet to other responses that you've given in the past
> 12'ish hours or so (just woke up) but I started to think how all this
> great and useful information would be best kept in memory. Some of it
> has been discussed in the past but there is lot of small details that
> are too easily forgotten.
>
> I'd think the best "documentation" approach here would be inject the
> spec references to the sites where locality behaviour is changed so
> that it is easy in future cross-reference them, and least of risk
> of having code changes that would break anything. I think this way
> all the information that you provided is best preserved for the
> future.
>
> Thanks a lot for great and informative responses!
No problem at all.
Here is a serial output[1] from a dynamic launch using Linux Secure
Launch v7[2] with one additional patch[3] to dump TPM driver state.
[1] https://paste.debian.net/1308538/
[2]
https://lore.kernel.org/lkml/scpu273f2mprr2uvjlyk2xrjjtcduhse2eb45lmj7givn6jh4u@i2v4f2vbldu4/T/
[3] https://paste.debian.net/1308539/
next prev parent reply other threads:[~2024-02-25 11:23 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240131170824.6183-1-dpsmith@apertussolutions.com>
2024-01-31 17:08 ` [PATCH 1/3] tpm: protect against locality counter underflow Daniel P. Smith
2024-02-01 22:21 ` Jarkko Sakkinen
2024-02-02 3:08 ` Lino Sanfilippo
2024-02-12 20:05 ` Jarkko Sakkinen
2024-02-19 17:54 ` Daniel P. Smith
2024-02-20 18:42 ` Alexander Steffen
2024-02-20 19:04 ` Jarkko Sakkinen
2024-02-20 20:54 ` Lino Sanfilippo
2024-02-20 22:23 ` Jarkko Sakkinen
2024-02-20 23:19 ` Lino Sanfilippo
2024-02-21 0:40 ` Jarkko Sakkinen
2024-02-23 1:58 ` Daniel P. Smith
2024-02-23 12:58 ` Jarkko Sakkinen
2024-02-25 11:23 ` Daniel P. Smith [this message]
2024-02-26 9:39 ` Jarkko Sakkinen
2024-02-20 22:26 ` Jarkko Sakkinen
2024-02-20 22:31 ` Jarkko Sakkinen
2024-02-20 23:26 ` Lino Sanfilippo
2024-02-21 0:42 ` Jarkko Sakkinen
2024-02-21 12:37 ` James Bottomley
2024-02-21 19:43 ` Jarkko Sakkinen
2024-02-21 19:45 ` Jarkko Sakkinen
2024-02-22 9:06 ` James Bottomley
2024-02-22 23:49 ` Jarkko Sakkinen
2024-02-23 1:57 ` Daniel P. Smith
2024-02-23 20:40 ` Jarkko Sakkinen
2024-02-23 20:42 ` Jarkko Sakkinen
2024-02-23 1:57 ` Daniel P. Smith
2024-02-23 20:50 ` Jarkko Sakkinen
2024-02-20 22:57 ` ross.philipson
2024-02-20 23:10 ` Jarkko Sakkinen
2024-02-20 23:13 ` Jarkko Sakkinen
2024-02-23 1:56 ` Daniel P. Smith
2024-02-23 20:44 ` Jarkko Sakkinen
2024-02-24 2:34 ` Lino Sanfilippo
2024-02-26 9:38 ` Jarkko Sakkinen
2024-02-23 1:55 ` Daniel P. Smith
2024-02-26 12:43 ` Alexander Steffen
2024-02-24 2:06 ` Lino Sanfilippo
2024-02-23 0:01 ` Jarkko Sakkinen
2024-01-31 17:08 ` [PATCH 2/3] tpm: ensure tpm is in known state at startup Daniel P. Smith
2024-02-01 22:33 ` Jarkko Sakkinen
2024-02-19 19:17 ` Daniel P. Smith
2024-02-19 20:17 ` Jarkko Sakkinen
2024-01-31 17:08 ` [PATCH 3/3] tpm: make locality request return value consistent Daniel P. Smith
2024-02-01 22:49 ` Jarkko Sakkinen
2024-02-19 20:29 ` Daniel P. Smith
2024-02-19 20:45 ` Jarkko Sakkinen
2024-02-20 18:57 ` Alexander Steffen
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