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PR/54523 CVS commit: src/sys/netinet6

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

From: "Kamil Rytarowski" <>
Subject: PR/54523 CVS commit: src/sys/netinet6
Date: Thu, 5 Sep 2019 20:17:27 +0000

 Module Name:	src
 Committed By:	kamil
 Date:		Thu Sep  5 20:17:27 UTC 2019
 Modified Files:
 	src/sys/netinet6: in6.h
 Log Message:
 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 -r1.96 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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