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=17f7f4d5a00000 start commit: 7b75e49d net: dsa: mv88e6xxx: wait after reset deactivation git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=140ff4d5a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=100ff4d5a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e7c31a94f66cc0aa dashboard link: https://syzkaller.appspot.com/bug?extid=d88a977731a9888db7ba syz repro: https://syzkaller.appspot.com/x/repro.syz?x=130f49bda00000 Reported-by: syzbot+d88a977731a9888db7ba@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") For information about bisection process see: https://goo.gl/tpsmEJ#bisection