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From: Tushar Sugandhi <tusharsu@linux.microsoft.com>
To: Thore Sommer <public@thson.de>,
	agk@redhat.com, dm-devel@redhat.com,
	linux-integrity@vger.kernel.org, nramas@linux.microsoft.com,
	snitzer@redhat.com, zohar@linux.ibm.com
Subject: Re: [dm-devel] [PATCH 0/7] device mapper target measurements using IMA
Date: Tue, 27 Jul 2021 20:10:29 -0700	[thread overview]
Message-ID: <a30c8208-f255-d0f0-0bfb-c037367e638c@linux.microsoft.com> (raw)
In-Reply-To: <20210727203337.GA81220@agk-cloud1.hosts.prod.upshift.rdu2.redhat.com>

Hi Thore,

On 7/27/21 1:33 PM, Alasdair G Kergon wrote:
>> Creating a dm-verity device with mount then removing it and now if you create it
>> again no measurement is generated. Is that the expected behavior?
> Each of the relevant dm ioctls should be logged separately each time.  If that's
> not happening it might need fixing.
> 
Most likely this is because you haven't set CONFIG_IMA_DISABLE_HTABLE=y.

See "IMA: support for duplicate measurement records" [1] for details.

Please let us know if you still see this behavior after setting
CONFIG_IMA_DISABLE_HTABLE=y.

Thanks,
Tushar

[1] 
https://github.com/torvalds/linux/commit/52c208397c246f0c31d031eb8c41f9c7e9fdec0e

  reply	other threads:[~2021-07-28  3:10 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-13  0:48 Tushar Sugandhi
2021-07-13  0:48 ` [PATCH 1/7] dm: measure data on table load Tushar Sugandhi
2021-07-21  2:12   ` Mimi Zohar
2021-07-21 15:42     ` Mike Snitzer
2021-07-21 16:07       ` Mimi Zohar
2021-07-21 21:17         ` Mimi Zohar
2021-07-29 19:58           ` Tushar Sugandhi
2021-07-13  0:48 ` [PATCH 2/7] dm: measure data on device resume Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 3/7] dm: measure data on device remove Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 4/7] dm: measure data on table clear Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 5/7] dm: measure data on device rename Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 6/7] dm: update target specific status functions to measure data Tushar Sugandhi
2021-07-13  1:06   ` Alasdair G Kergon
2021-07-14 20:23     ` Tushar Sugandhi
2021-07-13  0:49 ` [PATCH 7/7] dm: add documentation for IMA measurement support Tushar Sugandhi
2021-07-21  2:33   ` Mimi Zohar
2021-07-24  7:25     ` Tushar Sugandhi
2021-07-26 16:33       ` Mimi Zohar
2021-07-26 18:28         ` Tushar Sugandhi
2021-07-14 11:32 ` [dm-devel] [PATCH 0/7] device mapper target measurements using IMA Thore Sommer
2021-07-14 20:20   ` Tushar Sugandhi
2021-07-27 10:18     ` Thore Sommer
2021-07-27 20:33       ` Alasdair G Kergon
2021-07-28  3:10         ` Tushar Sugandhi [this message]
2021-07-28 17:14           ` Thore Sommer
2021-07-29 17:32             ` Tushar Sugandhi
2021-07-28 17:34         ` Thore Sommer
2021-07-28 21:33       ` Alasdair G Kergon
2021-08-02 10:45         ` Thore Sommer
2021-07-29 19:24       ` Tushar Sugandhi
2021-08-02 10:38         ` Thore Sommer
2021-07-20 21:27 ` Mike Snitzer

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