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=1436e7e9a00000
start commit: dc636f5d Add linux-next specific files for 20190620
git tree: linux-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=1636e7e9a00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1236e7e9a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=99c104b0092a557b
dashboard link: https://syzkaller.appspot.com/bug?extid=a861f52659ae2596492b
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=110b24f6a00000
Reported-by: syzbot+a861f52659ae2596492b@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
