[Bug 273902] Backwards-incompatible size change in struct tcp_info
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Date: Fri, 22 Sep 2023 17:25:36 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273902
--- Comment #2 from commit-hook@FreeBSD.org ---
A commit in branch stable/14 references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=2209676efe9a23d9411fa0314b9c6bb285baefc1
commit 2209676efe9a23d9411fa0314b9c6bb285baefc1
Author: Alan Somers <asomers@FreeBSD.org>
AuthorDate: 2023-09-17 14:22:08 +0000
Commit: Alan Somers <asomers@FreeBSD.org>
CommitDate: 2023-09-22 16:57:03 +0000
Fix padding in struct tcp_info
This structure should have the same size across different FreeBSD
versions to ensure backwards-compatibility. It has since stable/6. But
two recent changes added fields without compensating by reducing
padding:
945f9a7cc9dcc071bfcc702748fbbb11087ae773 and
22c81cc51636cfebe94e0979eb31556d87775938 . Reduce padding to
compensate.
Direct commit to stable/14 because we decided to break compatibility in
FreeBSD 15 in order to add more fields. Of course, that decision could
be reversed before 15.0-RELEASE. See the review for details.
PR: 273902
MFC after: 1 week
Reviewed by: tuexen, glebius
Differential Revision: https://reviews.freebsd.org/D41894
sys/netinet/tcp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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