Subject: Re: [PATCH net-next 10/15] sctp: allow changing transport encap_port by peer packets

From: Marcelo Ricardo Leitner <[email-masked]>
Date: Sat, 3 Oct 2020 01:06:16 -0300

On Tue, Sep 29, 2020 at 09:49:02PM +0800, Xin Long wrote:
>  static int sctp_udp_rcv(struct sock *sk, struct sk_buff *skb)
>  {
> +	memset(skb->cb, 0, sizeof(skb->cb));
> +	SCTP_INPUT_CB(skb)->encap_port = ntohs(udp_hdr(skb)->source);

Here it's in host order already. The fact that is does this
transparent update probably hid the other issue.

> +
>  	skb_set_transport_header(skb, sizeof(struct udphdr));
>  	sctp_rcv(skb);
>  	return 0;