netdev - Re: out of bounds writes in net/hsr/

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Message-ID: <20140304163002.GA32328@redhat.com>
Date:	Tue, 4 Mar 2014 11:30:02 -0500
From:	Dave Jones <davej@...hat.com>
To:	Arvid Brodin <arvid.brodin@...en.se>
Cc:	netdev@...r.kernel.org
Subject: Re: out of bounds writes in net/hsr/

On Tue, Mar 04, 2014 at 05:07:23PM +0100, Arvid Brodin wrote:
 > On 2014-03-04 04:27, Dave Jones wrote:
 > > I found this in coverity, and I think it's a real bug..
 > > 
 > > hsr_register_frame_in does a check that dev_idx is between 0 and 2,
 > > therefore, a dev_idx of 2 is possible when it gets to the array writes
 > > at the end of the function. 
 > 
 > Thanks for finding this; it is a bug (although I don't think it has 
 > actually lead to any out of bound accesses). 
 > 
 > However, I think you are a bit late - I believe this was fixed in a patch 
 > from Dan Carpenter just a few days ago. See
 > 
 > http://www.spinics.net/lists/netdev/msg272815.html

excellent, thanks for checking.

	Dave

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