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From: Mimi Zohar <zohar@linux.ibm.com>
To: Roberto Sassu <roberto.sassu@huawei.com>, paul@paul-moore.com
Cc: stephen.smalley.work@gmail.com, prsriva02@gmail.com,
	tusharsu@linux.microsoft.com, nramas@linux.microsoft.com,
	linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org, selinux@vger.kernel.org
Subject: Re: [PATCH v3 3/3] ima: Add digest and digest_len params to the functions to measure a buffer
Date: Mon, 19 Jul 2021 16:59:32 -0400	[thread overview]
Message-ID: <e2f33ad4dca9eba9b2a05a00de571e9f94022343.camel@linux.ibm.com> (raw)
In-Reply-To: <20210705090922.3321178-4-roberto.sassu@huawei.com>

Hi Roberto,

On Mon, 2021-07-05 at 11:09 +0200, Roberto Sassu wrote:
> This patch adds the 'digest' and 'digest_len' parameters to
> ima_measure_critical_data() and process_buffer_measurement(), so that
> callers can get the digest of the passed buffer.
> 
> These functions calculate the digest even if there is no suitable rule in
> the IMA policy and, in this case, they simply return 1 before generating a
> new measurement entry.

I agree ima_measure_critical_data() is special.  Both this patch
description and 1/3 describe "what", not "why".  Please provide the
motivation for these changes at least in the cover letter, if not in
the patch description.

thanks,

Mimi


      parent reply	other threads:[~2021-07-19 21:11 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-05  9:09 [PATCH v3 0/3] ima: Provide more info about buffer measurement Roberto Sassu
2021-07-05  9:09 ` [PATCH v3 1/3] ima: Introduce ima_get_current_hash_algo() Roberto Sassu
2021-07-05  9:09 ` [PATCH v3 2/3] ima: Return int in the functions to measure a buffer Roberto Sassu
2021-07-06 19:21   ` Lakshmi Ramasubramanian
2021-07-19 20:28   ` Mimi Zohar
2021-07-20 12:38     ` Roberto Sassu
2021-07-20 13:01       ` Mimi Zohar
2021-07-05  9:09 ` [PATCH v3 3/3] ima: Add digest and digest_len params to " Roberto Sassu
2021-07-06 19:24   ` Lakshmi Ramasubramanian
2021-07-13  2:40   ` Paul Moore
2021-07-19 20:59   ` Mimi Zohar [this message]

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