Re: BUG: unable to handle kernel paging request in hrtimer_interrupt

syzbot has bisected this bug to:

commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
Author: John Fastabend [off-list ref]
Date:   Sat Jun 30 13:17:47 2018 +0000

     bpf: sockhash fix omitted bucket lock in sock_close

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14436833a00000
start commit:   29f785ff Merge branch 'fixes' of git://git.kernel.org/pub/..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=16436833a00000
console output: https://syzkaller.appspot.com/x/log.txt?x=12436833a00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e5c77f8090a3b96b
dashboard link: https://syzkaller.appspot.com/bug?extid=037e18398ba8c655a652
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16da8cc9a00000

Reported-by: syzbot+037e18398ba8c655a652@syzkaller.appspotmail.com
Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection