linux-kernel - Re: [PATCH v4] mtd: rawnand: brcmnand: correctly verify erased pages

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]

Date:   Sun, 24 May 2020 21:16:58 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Álvaro Fernández Rojas <noltari@...il.com>,
        computersforpeace@...il.com, kdasu.kdev@...il.com,
        miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        sumit.semwal@...aro.org, linux-mtd@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH v4] mtd: rawnand: brcmnand: correctly verify erased pages

On Tue, 2020-05-12 at 08:24:51 UTC, =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= wrote:
> The current code checks that the whole OOB area is erased.
> This is a problem when JFFS2 cleanmarkers are added to the OOB, since it will
> fail due to the usable OOB bytes not being 0xff.
> Correct this by only checking that data and ECC bytes aren't 0xff.
> 
> Fixes: 02b88eea9f9c ("mtd: brcmnand: Add check for erased page bitflips")
> Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel