On Wed, 2016-05-11 at 19:24 -0700, Alexander Duyck wrote: > While testing an OpenStack configuration using VXLANs I saw the following > call trace:
> > I believe the trace is pointing to the call to dev_net(dev) in > udp4_lib_lookup_skb. If I am not mistaken I believe it is possible for us > to have skb_dst(skb)->dev be NULL. So to resolve that I am adding a check > for this case and skipping the assignment if such an event occurs. skb_dst(skb)->dev can be NULL ??? Why only UDP ipv4 would need a fix, and not ipv6 ? Looks the bug is somewhere else maybe ?
