On Fri, 2017-02-03 at 09:00 +0900, Lorenzo Colitti wrote:
> On Fri, Feb 3, 2017 at 6:32 AM, Daniel Borkmann <dan...@iogearbox.net> wrote:
> >> + sk = skb->sk;
> >> + kuid = sock_net_uid(dev_net(skb->dev), sk);
> >
> >
> > Don't you need to test for fullsock? Do you mean something like below?
>
> It should be safe to call sock_net_uid on any type of socket
> (including NULL). sk_uid was added to struct sock in 86741ec25462
> ("net: core: Add a UID field to struct sock.")
But a request socket or a timewait socket do not have this field.
Daniel point is valid.
