From: sashiko-bot@kernel.org
To: "Jérémy Jean" <Jeremy.Jean@oss.cyber.gouv.fr>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Baoquan He" <baoquan.he@linux.dev>,
"Mike Rapoport" <rppt@kernel.org>,
"Pasha Tatashin" <pasha.tatashin@soleen.com>,
"Pratyush Yadav" <pratyush@kernel.org>,
"Mimi Zohar" <zohar@linux.ibm.com>,
"Roberto Sassu" <roberto.sassu@huawei.com>,
"Dmitry Kasatkin" <dmitry.kasatkin@gmail.com>
Cc: "Eric Snowberg" <eric.snowberg@oracle.com>,
linux-security-module@vger.kernel.org, kexec@lists.infradead.org
Subject: Re: [PATCH v2 1/3] kexec_file: update IMA after machine post-load
Date: Thu, 12 Nov 2026 13:04:35 +0000 [thread overview]
Message-ID: <sashiko-outbox-211136@kernel.org> (raw)
In-Reply-To: <20261112125246.2715174-3-Jeremy.Jean@oss.cyber.gouv.fr>
> ima_kexec_post_load() replaces the global IMA mapping with a mapping for
> the new image. If machine_kexec_post_load() fails, the new image is
> freed but that mapping remains. The installed image no longer receives
> the execute-time IMA update, and the notifier can write the
> measurement list into freed pages.
>
> Call the machine hook first. Return its error before updating IMA so IMA
> changes the mapping only for an image which will be installed.
>
> Fixes: 9f0ec4b16f2b ("ima: kexec: move IMA log copy from kexec load to execute")
> Cc: stable@vger.kernel.org
> Signed-off-by: Jérémy Jean <Jeremy.Jean@oss.cyber.gouv.fr>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261112125246.2715174-2-Jeremy.Jean@oss.cyber.gouv.fr?part=1
next prev parent reply other threads:[~2026-11-12 13:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 12:52 [PATCH v2 0/3] ima: keep kexec dump state tied to installed image Jérémy Jean
2026-11-12 12:52 ` [PATCH v2 1/3] kexec_file: update IMA after machine post-load Jérémy Jean
2026-11-12 13:04 ` sashiko-bot [this message]
2026-11-12 12:52 ` [PATCH v2 2/3] ima: keep kexec dump state tied to installed image Jérémy Jean
2026-11-12 13:07 ` sashiko-bot
2026-11-12 12:52 ` [PATCH v2 3/3] ima: clear kexec state when replacing file image Jérémy Jean
2026-11-12 13:08 ` sashiko-bot
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