From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Tue, 12 Jan 2016 08:58:00 -0800
> From: Eric Dumazet <edumazet@xxxxxxxxxx>
>
> Ivaylo Dimitrov reported a regression caused by commit 7866a621043f
> ("dev: add per net_device packet type chains").
>
> skb->dev becomes NULL and we crash in __netif_receive_skb_core().
>
> Before above commit, different kind of bugs or corruptions could happen
> without major crash.
>
> But the root cause is that phonet_rcv() can queue skb without checking
> if skb is shared or not.
>
> Many thanks to Ivaylo Dimitrov for his help, diagnosis and tests.
>
> Reported-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx>
> Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx>
> Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
> Cc: Remi Denis-Courmont <courmisch@xxxxxxxxx>
Applied and queued up for -stable, th anks Eric.
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