From: sashiko-bot@kernel.org
Cc: linux-security-module@vger.kernel.org
Subject: Re: [PATCH 2/2] ipe: protect the dm-verity root hash with RCU
Date: Wed, 23 Sep 2026 03:20:01 +0000 [thread overview]
Message-ID: <20260923032001.EDAC51F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260923031349.1216431-3-wufan@kernel.org>
> ipe_bdev_setintegrity() frees the old root hash when dm-verity publishes
> a new one on ->preresume, while policy evaluation can still be
> dereferencing it.
>
> Protect the root hash with RCU. The evaluation path already runs under
> rcu_read_lock().
>
> Fixes: e155858dd995 ("ipe: add support for dm-verity as a trust provider")
> Cc: stable@vger.kernel.org
> Assisted-by: claude-opus-5.5
> Signed-off-by: Fan Wu <wufan@kernel.org>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260923031349.1216431-1-wufan@kernel.org?part=2
next prev parent reply other threads:[~2026-09-23 3:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 3:13 [PATCH 0/2] ipe: fix two use-after-frees Fan Wu
2026-09-23 3:13 ` [PATCH 1/2] ipe: fix use-after-free when auditing a newly loaded policy Fan Wu
2026-09-23 3:19 ` sashiko-bot
2026-09-23 3:13 ` [PATCH 2/2] ipe: protect the dm-verity root hash with RCU Fan Wu
2026-09-23 3:20 ` sashiko-bot [this message]
2026-09-23 3:37 ` [PATCH 0/2] ipe: fix two use-after-frees Fan Wu
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