CVS commit: src/sys/netinet6

["Kamil Rytarowski" <kamil%netbsd.org@localhost>]

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.