Re: CVS commit: src/sys/net/npf

[christos%astron.com@localhost (Christos Zoulas)]

In article <20180407090627.20058FBEE%cvs.NetBSD.org@localhost>,
Maxime Villard <source-changes-d%NetBSD.org@localhost> wrote:
>-=-=-=-=-=-
>
>Module Name:	src
>Committed By:	maxv
>Date:		Sat Apr  7 09:06:27 UTC 2018
>
>Modified Files:
>	src/sys/net/npf: npf_inet.c
>
>Log Message:
>Rewrite npf_fetch_tcpopts:
>
> * Instead of doing several nbuf_advance/nbuf_ensure_contig and
>   playing with gotos, fetch the TCP options only once, and iterate over
>   the (safe) area. The code is similar to tcp_dooptions.
>
> * When handling TCPOPT_MAXSEG and TCPOPT_WINDOW, ensure the length is
>   the one we're expecting. If it isn't, then skip the option. This
>   wasn't done before, and not doing it allowed a packet to bypass the
>   max-mss clamping procedure. Discussed on tech-net@.
>

This seems to break

cvs -d cvs.netbsd.org:/cvsroot diff, with write via ssh returning
ENETUNREACH.

christos