tree a91704e41be185c07d19936fc343f3b75e4a93e1
parent 31336f9c11594915080776277496d5b26349754f
author Mikio Hara <mikioh.mikioh@gmail.com> 1425221908 +0900
committer Mikio Hara <mikioh.mikioh@gmail.com> 1425353234 +0000

syscall: fix parsing ipv6 address prefix on dragonfly

This change fixes a missing case that a routing address contains an
invalid address family label but it holds a valid length of address
structure.

Also makes test robust.

Fixes #10041.

Change-Id: I2480ba273929e859896697382d1a75b01a116b98
Reviewed-on: https://go-review.googlesource.com/6391
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>