Re: CVS commit: src/sys

[Maxime Villard <max%m00nbsd.net@localhost>]

Le 09/02/2018 à 01:03, maya%netbsd.org@localhost a écrit :
> On Thu, Feb 08, 2018 at 07:58:05PM +0000, Maxime Villard wrote:
> > Module Name:	src
> > Committed By:	maxv
> > Date:		Thu Feb  8 19:58:05 UTC 2018
> >
> > Modified Files:
> > 	src/sys/netinet: tcp_input.c
> > 	src/sys/netinet6: raw_ip6.c udp6_usrreq.c
> >
> > Log Message:
> > Remove the IN6_IS_ADDR_V4MAPPED checks in the protocol functions. They
> > are useless, because the IPv6 entry point (ip6_input) already performs
> > them.
>
> in6_input performs the check pretty late - is feeding possibly malformed
> packets to pfil_run_hooks / altq_cdnr_input safe?

investigating this is in my todo list... if you look carefully you can see
that pfil_run_hooks is allowed to update ip6_dst, so it may not be correct to
move the checks earlier