npf blocks ipv6 fragmented packets (?)

[Markus Kilbinger <mk%kilbi.de@localhost>]

Hi!

While playing with npf I noticed that some (fragmented) ipv6 packets
would not be passed.

Tracking it down (a bit) i've found that simply activating npf without any rule

  ntpctl start

'blocks' a

  ping6 -s 2048 testhost

which worked w/o npf aktivated flawlessly.
BTW: ipv4 fragmented packets seems to be handled correctly under npf
('ping -s 2048' works).
This happens under HEAD and netbsd-7.

Is this a known limitation of npf? Or a bug?
Send-pr?

Regards, Markus.