linux-kernel - Re: [PATCH v2] AHCI: fix Null pointer dereference in achi_host

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: <20130723142625.GA18186@mtj.dyndns.org>
Date:	Tue, 23 Jul 2013 10:26:25 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Xiaotian Feng <xtfeng@...il.com>
Cc:	Alexander Gordeev <agordeev@...hat.com>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] AHCI: fix Null pointer dereference in
 achi_host_active()

On Tue, Jul 23, 2013 at 11:54:10AM +0800, Xiaotian Feng wrote:
> commit b29900e6 (AHCI: Make distinct names for ports in /proc/interrupts)
> introuded a regression, which resulted Null pointer dereference for achi
> host with dummy ports. For ahci ports, when the port is dummy port, its
> private_data will be NULL, as ata_dummy_port_ops doesn't support ->port_start.
> 
> changes in v2: use pp to check dummy ports, update comments
> 
> Reported-and-tested-by: Alex Williamson <alex.williamson@...hat.com>
> Signed-off-by: Xiaotian Feng <xtfeng@...il.com>
> Cc: Alexander Gordeev <agordeev@...hat.com>
> Cc: Tejun Heo <tj@...nel.org>
> Cc: linux-ide@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org

Applied to libata/for-3.11-fixes.

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/