Re: [PATCH net-next v3 2/3] Add a eBPF helper function to retrieve socket uid

[Willem de Bruijn]

> +BPF_CALL_1(bpf_get_socket_uid, struct sk_buff *, skb)
> +{
> +       struct sock *sk = sk_to_full_sk(skb->sk);
> +       kuid_t kuid = sock_net_uid(dev_net(skb->dev), sk);

dev_net cannot handle a NULL skb->dev