From: Tejun Heo <tj@kernel.org>
To: Dan Carpenter <error27@gmail.com>,
Jeff Garzik <jgarzik@pobox.com>,
Robert Hancock <hancockrwd@gmail.com>,
Vivek Mahajan <vivek.mahajan@freescale.com>,
linux-ide@vger.kernel.orglinu
Subject: Re: [patch] sata_sil24: memset() overflow
Date: Wed, 09 Jun 2010 14:24:08 +0200 [thread overview]
Message-ID: <4C0F87E8.8020405@kernel.org> (raw)
In-Reply-To: <20100609120153.GF5483@bicker>
On 06/09/2010 02:01 PM, Dan Carpenter wrote:
> cb->atapi.cdb is an array of 16 u8 elements. The call too memset()
> would set the first part of the sge array to zero as well. It's not
> a packed struct.
>
> This one has been around for five years. I found it with Smatch. I
> think the reason no one has seen it before is because we normally call
> sil24_fill_sg() and that overwrites sge with proper information?
Yeah, the table is built after the memset so it doesn't really break
anything but still where did that 32 come from? :-)
> Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
next prev parent reply other threads:[~2010-06-09 12:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-09 12:01 [patch] sata_sil24: memset() overflow Dan Carpenter
2010-06-09 12:24 ` Tejun Heo [this message]
2010-06-10 20:14 ` Jeff Garzik
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