linux-kernel - RE: [patch] rapidio: use after free in unregister function

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Message-ID: <8D983423E7EDF846BB3056827B8CC5D14BC3AA91@corpmail1.na.ads.idt.com>
Date:	Fri, 5 Jul 2013 19:04:02 +0000
From:	"Bounine, Alexandre" <Alexandre.Bounine@....com>
To:	Dan Carpenter <dan.carpenter@...cle.com>,
	Ryan Mallon <rmallon@...il.com>
CC:	Matt Porter <mporter@...nel.crashing.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: RE: [patch] rapidio: use after free in unregister function

> From: Dan Carpenter [mailto:dan.carpenter@...cle.com]
> Sent: Friday, July 05, 2013 3:19 AM
> To: Ryan Mallon
> Cc: Matt Porter; Bounine, Alexandre; linux-kernel@...r.kernel.org;
> kernel-janitors@...r.kernel.org
> Subject: Re: [patch] rapidio: use after free in unregister function
> 
> On Fri, Jul 05, 2013 at 05:06:14PM +1000, Ryan Mallon wrote:
> > On 05/07/13 16:02, Dan Carpenter wrote:
> > It looks like an mport_id can only be assigned to one scan entry (see
> > rio_register_scan), so you can use list_for_each_entry and break;
> after
> > the kfree(scan); instead.
> 
> Yeah.  You're right.  I'll resend.
> 
> regards,
> dan carpenter

Thank you for catching it. Missed it because we have only one enumerator so far.

Alex.
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