syzbot has bisected this bug to:
commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
Author: John Fastabend <john.fastabend@xxxxxxxxx>
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=143286e2600000
start commit: 31cc088a Merge tag 'drm-next-2019-07-19' of git://anongit...
git tree: net-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=163286e2600000
console output: https://syzkaller.appspot.com/x/log.txt?x=123286e2600000
kernel config: https://syzkaller.appspot.com/x/.config?x=4dba67bf8b8c9ad7
dashboard link: https://syzkaller.appspot.com/bug?extid=370e4739fa489334a4ef
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16dd57dc600000
Reported-by: syzbot+370e4739fa489334a4ef@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
