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PR/54523 CVS commit: [netbsd-9] src/sys/netinet6

The following reply was made to PR kern/54523; it has been noted by GNATS.

From: "Martin Husemann" <>
Subject: PR/54523 CVS commit: [netbsd-9] src/sys/netinet6
Date: Fri, 6 Sep 2019 19:43:00 +0000

 Module Name:	src
 Committed By:	martin
 Date:		Fri Sep  6 19:43:00 UTC 2019
 Modified Files:
 	src/sys/netinet6 [netbsd-9]: in6.h
 Log Message:
 Pull up following revision(s) (requested by kamil in ticket #183):
 	sys/netinet6/in6.h: revision 1.96
 Revert regression introduced in in6.h r. 1.95
 revision 1.95
 date: 2019-05-28 05:56:46 +0200;  author: kamil;  state: Exp;  lines: +2 -2;  commitid: YrUzDYl5zfcjiVoB;
 Decorate struct in6_addr with the __packed attribute
 This avoids undefined behavior when accessing misaligned pointers.
 Detected by kUBSan.
 Patch by Akul Pillai.
 This change caused regression in at least qemu and addresses potential binary ABI breakage.
 Fixes PR/54523 by <gson>
 To generate a diff of this commit:
 cvs rdiff -u -r1.95 -r1.95.2.1 src/sys/netinet6/in6.h
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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