netdev - Re: [PATCH] mac80211: fix invalid read in minstrel_sort_best_tp

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Message-ID: <1439466790.2114.21.camel@sipsolutions.net>
Date:	Thu, 13 Aug 2015 13:53:10 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Adrien Schildknecht <adrien+dev@...ischi.me>, davem@...emloft.net,
	thomas@....t-labs.tu-berlin.de
Cc:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mac80211: fix invalid read in
 minstrel_sort_best_tp_rates()

On Tue, 2015-07-28 at 10:30 +0200, Adrien Schildknecht wrote:
> At the last iteration of the loop, j may equal zero and thus
> tp_list[j - 1] causes an invalid read.
> Changed the logic of the loop so that j - 1 is always >= 0.
> 
> Signed-off-by: Adrien Schildknecht <adrien+dev@...ischi.me>
> 
Applied, I added Cc stable.

johannes
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