linux-kernel - Re: [PATCH] dm: verity-loadpin: Add NULL pointer check for 'bdev' parameter

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Message-Id: <168797468756.1160226.11804940754677813929.b4-ty@chromium.org>
Date:   Wed, 28 Jun 2023 10:51:29 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...nel.org>,
        Matthias Kaehlcke <mka@...omium.org>
Cc:     Kees Cook <keescook@...omium.org>, dm-devel@...hat.com,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] dm: verity-loadpin: Add NULL pointer check for 'bdev' parameter


On Tue, 27 Jun 2023 20:28:01 +0000, Matthias Kaehlcke wrote:
> Add a NULL check for the 'bdev' parameter of
> dm_verity_loadpin_is_bdev_trusted(). The function is called
> by loadpin_check(), which passes the block device that
> corresponds to the super block of the file system from which
> a file is being loaded. Generally a super_block structure has
> an associated block device, however that is not always the
> case (e.g. tmpfs).
> 
> [...]

Applied, thanks!

[1/1] dm: verity-loadpin: Add NULL pointer check for 'bdev' parameter
      https://git.kernel.org/kees/c/47f04616f2c9

Best regards,
-- 
Kees Cook