K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2018-10-24T10:42:35.479498Z
K 7
svn:log
V 340
rip6_input() inp validation after epoch(9)

After r335924 rip6_input() needs inp validation to avoid
working on FREED inps.

Apply the relevant bits from r335497,r335501 (rip_input() change)
to the IPv6 counterpart.

PR:			232194
Reviewed by:		rgrimes, ae (,hps)
MFC after:		3 days
Differential Revision:	https://reviews.freebsd.org/D17594

END