From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] net/dccp: fix use-after-free in dccp_invalid_packet
Date: Tue, 29 Nov 2016 20:38:01 -0500 (EST)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 28 Nov 2016 06:26:49 -0800

> From: Eric Dumazet <edumazet@google.com>
> 
> pskb_may_pull() can reallocate skb->head, we need to reload dh pointer
> in dccp_invalid_packet() or risk use after free.
> 
> Bug found by Andrey Konovalov using syzkaller.
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: Andrey Konovalov <andreyknvl@google.com>

Applied and queued up for -stable, thanks Eric.