Re: [net-next PATCH] udp: Resolve NULL pointer dereference

2016-05-12 Thread Alexander Duyck
On Wed, May 11, 2016 at 8:43 PM, Eric Dumazet wrote: > 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

Re: [net-next PATCH] udp: Resolve NULL pointer dereference

2016-05-11 Thread Cong Wang
On Wed, May 11, 2016 at 7:24 PM, 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

Re: [net-next PATCH] udp: Resolve NULL pointer dereference

2016-05-11 Thread Eric Dumazet
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

[net-next PATCH] udp: Resolve NULL pointer dereference

2016-05-11 Thread Alexander Duyck
While testing an OpenStack configuration using VXLANs I saw the following call trace: RIP: 0010:[] udp4_lib_lookup_skb+0x49/0x80 RSP: 0018:88103867bc50 EFLAGS: 00010286 RAX: 88103269bf00 RBX: 88103269bf00 RCX: RDX: 4300 RSI: RDI: 8