syzbot has bisected this bug to:
commit 23c42a403a9cfdbad6004a556c927be7dd61a8ee
Author: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
Date: Sat Oct 27 13:07:40 2018 +0000
netfilter: ipset: Introduction of new commands and protocol version 7
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13a9d115e00000
start commit: ae608821 Merge tag 'trace-v5.5-rc5' of git://git.kernel.or..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=1069d115e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=17a9d115e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=18698c0c240ba616
dashboard link: https://syzkaller.appspot.com/bug?extid=34bd2369d38707f3f4a7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=118d6971e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11b47c9ee00000
Reported-by: syzbot+34bd2369d38707f3f4a7@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 23c42a403a9c ("netfilter: ipset: Introduction of new commands and
protocol version 7")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
