netdev - Re: [PATCH net-next] netem: fix possible NULL deref in netem

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Message-Id: <20130703.165347.1410553793449942226.davem@davemloft.net>
Date:	Wed, 03 Jul 2013 16:53:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, dan.carpenter@...cle.com
Subject: Re: [PATCH net-next] netem: fix possible NULL deref in
 netem_dequeue()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 03 Jul 2013 14:04:14 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> commit aec0a40a6f7884 ("netem: use rb tree to implement the time queue")
> added a regression if a child qdisc is attached to netem, as we perform
> a NULL dereference.
> 
> Fix this by adding a temporary variable to cache
> netem_skb_cb(skb)->time_to_send.
> 
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks Eric.
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