linux-kernel - Re: [PATCH 6/6] regmap: cache: Fix possible ZERO_SIZE

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: <20141013105450.GQ27755@sirena.org.uk>
Date:	Mon, 13 Oct 2014 12:54:50 +0200
From:	Mark Brown <broonie@...nel.org>
To:	Xiubo Li <Li.Xiubo@...escale.com>
Cc:	linux-kernel@...r.kernel.org, dp@...nsource.wolfsonmicro.com
Subject: Re: [PATCH 6/6] regmap: cache: Fix possible ZERO_SIZE_PTR pointer
 dereferencing error.

On Thu, Oct 09, 2014 at 05:02:57PM +0800, Xiubo Li wrote:
> When all the registers are volatile(unlikely, but logically and mostly
> will happen for some 'device' who has very few registers), then the
> count will be euqal to 0, then kmalloc() will return ZERO_SIZE_PTR,
> which equals to ((void *)16).

Applied, thanks.  I'm assuming there's nothing affected by this in
Linus' tree which needs this as a fix immediately?

Download attachment "signature.asc" of type "application/pgp-signature" (474 bytes)