43105e589a
icmp6_redirect_input() validates that a redirect packet came from the current gateway for the respective destination. To do this, it compares the source address, which has an embedded scope zone id, to the next-hop address, which does not. If the address is link-local, which should be the case, the comparison fails and the redirect is ignored. Insert the scope zone id into the next-hop address so the comparison is accurate. Unsurprisingly, this fixes 35 UNH IPv6 conformance test cases. Submitted by: Farrell Woods <Farrell_Woods@Dell.com> (initial revision) Reviewed by: ae melifaro dab MFC after: 1 week Relnotes: yes Sponsored by: Dell EMC Differential Revision: https://reviews.freebsd.org/D14254
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