syzbot has bisected this bug to:
commit 3427b2ab63faccafe774ea997fc2da7faf690c5a
Author: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Date: Fri Mar 2 02:58:38 2018 +0000
netfilter: make xt_rateest hash table per net
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=151a26c1e00000
start commit: 46cf053e Linux 5.5-rc3
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=171a26c1e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=131a26c1e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35
dashboard link: https://syzkaller.appspot.com/bug?extid=d7358a458d8a81aee898
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13713ec1e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1272ba49e00000
Reported-by: syzbot+d7358a458d8a81aee898@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 3427b2ab63fa ("netfilter: make xt_rateest hash table per net")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
