netdev - Re: [PATCH net] cxgb3: fix out of bounds read

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Date:	Sun, 01 May 2016 21:00:00 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	mschmidt@...hat.com
Cc:	netdev@...r.kernel.org, santosh@...lsio.com, jstancek@...hat.com
Subject: Re: [PATCH net] cxgb3: fix out of bounds read

From: Michal Schmidt <mschmidt@...hat.com>
Date: Fri, 29 Apr 2016 11:06:50 +0200

> An out of bounds read of 2 bytes was discovered in cxgb3 with KASAN.
> 
> t3_config_rss() expects both arrays it gets as parameters to have
> terminators. setup_rss(), the caller, forgets to add a terminator to
> one of the arrays. Thankfully the iteration in t3_config_rss() stops
> anyway, but in the last iteration the check for the terminator
> is an out of bounds read.
> 
> Add the missing terminator to rspq_map[].
> 
> Reported-by: Jan Stancek <jstancek@...hat.com>
> Signed-off-by: Michal Schmidt <mschmidt@...hat.com>

Applied.