[Bug 255388] netinet/ip_input.c: Do not forward datagrams original from 169.254.0.0/16

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255388

--- Comment #3 from commit-hook at FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=3d846e48227e2e78c1e7b35145f57353ffda56ba

commit 3d846e48227e2e78c1e7b35145f57353ffda56ba
Author:     Zhenlei Huang <zlei.huang at gmail.com>
AuthorDate: 2021-05-18 20:51:37 +0000
Commit:     Lutz Donnerhacke <donner at FreeBSD.org>
CommitDate: 2021-05-18 20:59:46 +0000

    Do not forward datagrams originated by link-local addresses

    The current implement of ip_input() reject packets destined for
    169.254.0.0/16, but not those original from 169.254.0.0/16 link-local
    addresses.

    Fix to fully respect RFC 3927 section 2.7.

    PR:             255388
    Reviewed by:    donner, rgrimes, karels
    MFC after:      1 month
    Differential Revision:  https://reviews.freebsd.org/D29968

 sys/netinet/ip_input.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

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