[Bug 255388] netinet/ip_input.c: Do not forward datagrams original from 169.254.0.0/16
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Date: Thu, 17 Jun 2021 08:16:42 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255388
--- Comment #5 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=7da8312f7bf050be4fe436ea66ac46414312ae26
commit 7da8312f7bf050be4fe436ea66ac46414312ae26
Author: Zhenlei Huang <zlei.huang@gmail.com>
AuthorDate: 2021-05-18 20:51:37 +0000
Commit: Lutz Donnerhacke <donner@FreeBSD.org>
CommitDate: 2021-06-17 08:08:59 +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
Differential Revision: https://reviews.freebsd.org/D29968
Reviewed by: rgrimes, donner, karels, marcus, emaste
Differential Revision: https://reviews.freebsd.org/D30374
(cherry picked from commit 3d846e48227e2e78c1e7b35145f57353ffda56ba)
(cherry picked from commit 03b0505b8fe848f33f2f38fe89dd5538908c847e)
sys/netinet/ip_input.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
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