From: Willem de Bruijn <[email protected]> Date: Sun, 30 Dec 2018 17:21:05 -0500
> From: Willem de Bruijn <[email protected]> > > 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 <[email protected]> > Signed-off-by: Willem de Bruijn <[email protected]> Applied and queued up for -stable.
