syzbot has bisected this bug to:
commit 20651cefd25ffa77a15cab5853b175a6dc975ec2
Author: Florian Westphal <fw@xxxxxxxxx>
Date: Tue Jan 9 13:30:48 2018 +0000
netfilter: x_tables: unbreak module auto loading
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1073a33ee00000
start commit: 8b792f84 Merge branch 'mlxsw-Various-fixes'
git tree: net
final crash: https://syzkaller.appspot.com/x/report.txt?x=1273a33ee00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1473a33ee00000
kernel config: https://syzkaller.appspot.com/x/.config?x=7e89bd00623fe71e
dashboard link: https://syzkaller.appspot.com/bug?extid=6ca99af7e70e298bd09d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168b95e1e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f29b3ee00000
Reported-by: syzbot+6ca99af7e70e298bd09d@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 20651cefd25f ("netfilter: x_tables: unbreak module auto loading")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
