linux-kernel - Re: [PATCH 0/3] Address !chip->auth

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Message-Id: <D2G2QR0DMG8B.R0B95Z5T5YAF@kernel.org>
Date: Wed, 03 Jul 2024 20:19:24 +0300
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: "Jarkko Sakkinen" <jarkko@...nel.org>, <linux-integrity@...r.kernel.org>
Cc: "James Bottomley" <James.Bottomley@...senPartnership.com>, "Mimi Zohar"
 <zohar@...ux.ibm.com>, "David Howells" <dhowells@...hat.com>, "Paul Moore"
 <paul@...l-moore.com>, "James Morris" <jmorris@...ei.org>, "Serge E.
 Hallyn" <serge@...lyn.com>, <keyrings@...r.kernel.org>,
 <linux-security-module@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 "Linus Torvalds" <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 0/3] Address !chip->auth

On Wed Jul 3, 2024 at 8:08 PM EEST, Jarkko Sakkinen wrote:
> Tested on x86-64 with:
>
> - TCG_TPM2_HMAC disabled.
> - TCG_TPM2_HMAC enabled.
> - TCG_TPM2_HMAC enabled, and "/* rc = tpm2_sessions_init(chip); */".
>
> Jarkko Sakkinen (3):
>   tpm: Address !chip->auth in tpm2_*_auth_session()
>   tpm: Address !chip->auth in tpm_buf_append_name()
>   tpm: Address !chip->auth in tpm_buf_append_hmac_session*()
>
>  drivers/char/tpm/Makefile        |   2 +-
>  drivers/char/tpm/tpm2-sessions.c | 400 +++++++++++++++++--------------
>  include/linux/tpm.h              |  75 ++----
>  3 files changed, 245 insertions(+), 232 deletions(-)

Aiming these still to 6.10 so that there would not be known regressions
in hmac authenticated sessions. Note that issue is wider than "just"
tpm_ibmvtpm.

BR, Jarkko