linux-kernel - Re: [PATCH 7/7] dm-verity: allow REED_SOLOMON to be 'm' if DM

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20251217175123.GG2944334@google.com>
Date: Wed, 17 Dec 2025 17:51:23 +0000
From: Sami Tolvanen <samitolvanen@...gle.com>
To: Eric Biggers <ebiggers@...nel.org>
Cc: dm-devel@...ts.linux.dev, Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...nel.org>,
	Mikulas Patocka <mpatocka@...hat.com>,
	Benjamin Marzinski <bmarzins@...hat.com>,
	Eran Messeri <eranm@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] dm-verity: allow REED_SOLOMON to be 'm' if DM_VERITY
 is 'm'

On Tue, Dec 16, 2025 at 03:06:14PM -0800, Eric Biggers wrote:
> The dm-verity kconfig options make the common mistake of selecting a
> dependency from a bool "sub-option" rather than the main tristate
> option.  This unnecessarily forces the dependency to built-in ('y').
> 
> Fix this by moving the selections of REED_SOLOMON and REED_SOLOMON_DEC8
> into DM_VERITY, conditional on DM_VERITY_FEC.
> 
> This allows REED_SOLOMON to be 'm' if DM_VERITY is 'm'.
> 
> Signed-off-by: Eric Biggers <ebiggers@...nel.org>

Reviewed-by: Sami Tolvanen <samitolvanen@...gle.com>

Sami