linux-kernel - Re: [PATCH 3.2.y 3.3.y] staging:rts_pstor:Fix possible panic by NULL pointer dereference

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 for Android: free password hash cracker in your pocket

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

Message-ID: <1340337209.6871.179.camel@deadeye.wl.decadent.org.uk>
Date:	Fri, 22 Jun 2012 04:53:29 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Keng-Yu Lin <kengyu@...onical.com>
Cc:	stable@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	wwang <wei_wang@...lsil.com.cn>,
	Hitoshi NAKAMORI <hitoshi.nakamori@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3.2.y 3.3.y] staging:rts_pstor:Fix possible panic by
 NULL pointer dereference

On Thu, 2012-06-21 at 16:18 +0800, Keng-Yu Lin wrote:
> From: wwang <wei_wang@...lsil.com.cn>
> 
> commit 0d05568ac79bfc595f1eadc3e0fd7a20a45f7b69 upstream.
> 
> rtsx_transport.c (rtsx_transfer_sglist_adma_partial):
> pointer struct scatterlist *sg, which is mapped in dma_map_sg,
> is used as an iterator in later transfer operation. It is corrupted and
> passed to dma_unmap_sg, thus causing fatal unmap of some erroneous address.
> Fix it by duplicating *sg_ptr for iterating.
[...]

Added to the queue for 3.2, thanks.

Ben.

-- 
Ben Hutchings
Every program is either trivial or else contains at least one bug

Download attachment "signature.asc" of type "application/pgp-signature" (829 bytes)