On Tue, 2018-09-11 at 03:27 -0700, Eric Dumazet wrote: > On 09/10/2018 11:54 PM, Paolo Abeni wrote: > > I *think* we can hit a similar condition with a tun device in IFF_NAPI > > mode. > > Why ? > > tun_get_user() does not attach skb to a socket, that would be quite useless > since skb > I think we can hit this code path:
tun_get_user() -> tun_alloc_skb() -> sock_alloc_send_pskb() -> skb_set_owner_w() Than later napi and GRO. Cheers, Paolo