linux-kernel - Re: [PATCH 2/3] mtd: rawnand: intel: fix possible null-ptr-deref in ebu_nand

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

Message-Id: <20220427152610.100972-1-miquel.raynal@bootlin.com>
Date:   Wed, 27 Apr 2022 17:26:10 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Yang Yingliang <yangyingliang@...wei.com>,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>, richard@....at
Subject: Re: [PATCH 2/3] mtd: rawnand: intel: fix possible null-ptr-deref in ebu_nand_probe()

On Tue, 2022-04-26 at 08:49:12 UTC, Yang Yingliang wrote:
> It will cause null-ptr-deref when using 'res', if platform_get_resource()
> returns NULL, so move using 'res' after devm_ioremap_resource() that
> will check it to avoid null-ptr-deref.
> 
> Fixes: 0b1039f016e8 ("mtd: rawnand: Add NAND controller support on Intel LGM SoC")
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

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

Miquel