[Bug 259183] pf_route drops packets for traffic not matching a rule

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 15 Oct 2021 11:17:07 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259183

            Bug ID: 259183
           Summary: pf_route drops packets for traffic not matching a rule
           Product: Base System
           Version: 13.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: vegeta@tuxpowered.net

Created attachment 228719
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=228719&action=edit
Don't drop packets when redirection information comes from a state

For some traffic there might be no matching rule in the current ruleset, for
example when a state was imported via pfsync from a sytem with a different
ruleset checksum. In this case pf_route uses s->rt_addr for routing target
instead of r->rpool.cur but r->rpool is checked anyway, resulting in dropped
packets.

If the patch gets accepted, please add the usual footer to commit:

Submitted by: Kajetan Staszkiewicz <vegeta tuxpowered.net>
Sponsored by: InnoGames GmbH

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