[Bug 255705] Routing does not honor mbuf_tag PACKET_TAG_IPFORWARD correctly
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Date: Mon, 18 Apr 2022 09:11:38 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255705
--- Comment #7 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=17c9c2049004038ed6f2dc23a64cb9f74411ec52
commit 17c9c2049004038ed6f2dc23a64cb9f74411ec52
Author: Andrey V. Elsukov <ae@FreeBSD.org>
AuthorDate: 2022-04-01 13:49:25 +0000
Commit: Andrey V. Elsukov <ae@FreeBSD.org>
CommitDate: 2022-04-18 08:58:45 +0000
Fix ipfw fwd that doesn't work in some cases
For IPv4 use dst pointer as destination address in fib4_lookup().
It keeps destination address from IPv4 header and can be changed
when PACKET_TAG_IPFORWARD tag was set by packet filter.
For IPv6 override destination address with address from dst_sa.sin6_addr,
that was set from PACKET_TAG_IPFORWARD tag.
Reviewed by: eugen
PR: 256828, 261697, 255705
Differential Revision: https://reviews.freebsd.org/D34732
(cherry picked from commit 7d98cc096b995ca3bfd85277ed009b0f872c3e1b)
sys/netinet/ip_output.c | 2 +-
sys/netinet6/ip6_output.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
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