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From: Petr Vorel <pvorel@suse.cz>
To: Mimi Zohar <zohar@linux.ibm.com>
Cc: linux-integrity@vger.kernel.org, ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v2] ima_tpm.sh: properly detect failure to verify the IMA measurement list
Date: Thu, 10 Sep 2026 21:41:38 +0200	[thread overview]
Message-ID: <20260910194138.GA270563@pevik> (raw)
In-Reply-To: <20260826222913.802598-1-zohar@linux.ibm.com>

Hi Mimi,

> test2 attempts to compare the aggregate PCR-10 value with the current
> TPM PCR value based on the current measurement list, but does not take
> into account that the measurement list might have grown.

> evmctl returns success/failure when verifying the IMA measurement list
> and displays the measurement list line number that matched.

> Update test2 to check the return code, before failing the test.
> Include the matched line number and total number of measurement
> list records.

I was not able to reproduce the failure on VM BIOS (legacy) running on UEFI QEMU
host which I reported previously, therefore I merged it.

Thank you!

Kind regards,
Petr

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

WARNING: multiple messages have this Message-ID (diff)
From: Petr Vorel <pvorel@suse.cz>
To: Mimi Zohar <zohar@linux.ibm.com>
Cc: ltp@lists.linux.it, linux-integrity@vger.kernel.org,
	Andrea Cervesato <andrea.cervesato@suse.com>
Subject: Re: [PATCH v2] ima_tpm.sh: properly detect failure to verify the IMA measurement list
Date: Thu, 10 Sep 2026 21:41:38 +0200	[thread overview]
Message-ID: <20260910194138.GA270563@pevik> (raw)
In-Reply-To: <20260826222913.802598-1-zohar@linux.ibm.com>

Hi Mimi,

> test2 attempts to compare the aggregate PCR-10 value with the current
> TPM PCR value based on the current measurement list, but does not take
> into account that the measurement list might have grown.

> evmctl returns success/failure when verifying the IMA measurement list
> and displays the measurement list line number that matched.

> Update test2 to check the return code, before failing the test.
> Include the matched line number and total number of measurement
> list records.

I was not able to reproduce the failure on VM BIOS (legacy) running on UEFI QEMU
host which I reported previously, therefore I merged it.

Thank you!

Kind regards,
Petr

  parent reply	other threads:[~2026-09-10 19:42 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-26 22:29 [LTP] [PATCH v2] ima_tpm.sh: properly detect failure to verify the IMA measurement list Mimi Zohar
2026-08-26 22:29 ` Mimi Zohar
2026-08-27  3:05 ` [LTP] " linuxtestproject.agent
2026-08-27  6:56   ` Andrea Cervesato via ltp
2026-08-27 10:22     ` Petr Vorel
2026-08-27 12:59       ` Petr Vorel
2026-08-27 13:38       ` Mimi Zohar
2026-09-10 19:41 ` Petr Vorel [this message]
2026-09-10 19:41   ` [PATCH v2] " Petr Vorel

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