From: Willem de Bruijn <willemdebruijn.ker...@gmail.com>
Date: Sun, 30 Dec 2018 17:21:05 -0500
> From: Willem de Bruijn <will...@google.com>
>
> The BPF flow dissector expects either skb->sk or skb->dev set on
> all skbs. Delay flow dissection until after skb->dev is set.
>
> This requires calling from within an rcu read-side critical section.
> That is fine, see also the call from tun_xdp_one.
>
> Fixes: d0e13a1488ad ("flow_dissector: lookup netns by skb->sk if skb->dev is
> NULL")
> Reported-by: Christian Borntraeger <borntrae...@de.ibm.com>
> Signed-off-by: Willem de Bruijn <will...@google.com>
Applied and queued up for -stable.
