syzbot suspects this bug was fixed by commit: commit 5607fff303636d48b88414c6be353d9fed700af2 Author: John Fastabend <john.fastabend@xxxxxxxxx> Date: Tue Sep 18 16:01:44 2018 +0000 bpf: sockmap only allow ESTABLISHED sock state bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17fdc73c600000 start commit: 28619527 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: bpf kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6 dashboard link: https://syzkaller.appspot.com/bug?extid=0b3ccd4f62dac2cf3a7d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13537269400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: bpf: sockmap only allow ESTABLISHED sock state For information about bisection process see: https://goo.gl/tpsmEJ#bisection