Re: UBSan: Undefined Behavior in settime1.constprop.5

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+ffb132...@syzkaller.appspotmail.com

Tested on:

commit: 0e011ed7 Uglify code to fix build.
git tree: https://github.com/NetBSD/src trunk
console output: https://syzkaller.appspot.com/x/log.txt?x=146445f0080000
kernel config: https://syzkaller.appspot.com/x/.config?x=f96f14247a94bfe
dashboard link: https://syzkaller.appspot.com/bug?extid=ffb1327e1bd38c979f4d
compiler: g++ (Debian 10.2.1-6) 10.2.1 20210110

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+ffb132...@syzkaller.appspotmail.com

Tested on:

commit: 0e011ed7 Uglify code to fix build.
git tree: https://github.com/NetBSD/src trunk

console output: https://syzkaller.appspot.com/x/log.txt?x=11a2b5f4080000

kernel config: https://syzkaller.appspot.com/x/.config?x=f96f14247a94bfe
dashboard link: https://syzkaller.appspot.com/bug?extid=ffb1327e1bd38c979f4d
compiler: g++ (Debian 10.2.1-6) 10.2.1 20210110

patch: https://syzkaller.appspot.com/x/patch.diff?x=10130df0080000

[Taylor R Campbell]

#syz fix: kern_time: prevent the system clock from being set too low or high

https://syzkaller.appspot.com/bug?id=ed011128934a1410452457bcebfe634fcf84b9a2
https://mail-index.netbsd.org/source-changes/2020/10/27/msg123437.html