linux-kernel - Re: [PATCH] fib_trie: potential out of bounds access in trie_show

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Message-Id: <20130724.160528.250036563854826098.davem@davemloft.net>
Date:	Wed, 24 Jul 2013 16:05:28 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	jerry.snitselaar@...cle.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fib_trie: potential out of bounds access in
 trie_show_stats()

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Wed, 24 Jul 2013 17:00:00 +0200

> On Mon, Jul 22, 2013 at 12:01:58PM -0700, Jerry Snitselaar wrote:
>> With the <= max condition in the for loop, it will be always go 1
>> element further than needed. If the condition for the while loop is
>> never met, then max is MAX_STAT_DEPTH, and for loop will walk off the
>> end of nodesizes[].
>> 
>> Signed-off-by: Jerry Snitselaar <jerry.snitselaar@...cle.com>
> 
> Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied, thanks.
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