syzbot has bisected this bug to:
commit 98319cb9089844d76e65a6cce5bfbd165e698735
Author: Pablo Neira Ayuso <pablo at netfilter.org>
Date: Tue Jan 9 01:48:47 2018 +0000
netfilter: nf_tables: get rid of struct nft_af_info abstraction
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13d38159e00000
start commit: f5ae2ea6 Fix built-in early-load Intel microcode alignment
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=10338159e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=17d38159e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d9290aeb7e6cf1c4
dashboard link: https://syzkaller.appspot.com/bug?extid=156a04714799b1d480bc
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15a7e669e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11102356e00000
Reported-by: syzbot+156a04714799b1d480bc at syzkaller.appspotmail.com
Fixes: 98319cb90898 ("netfilter: nf_tables: get rid of struct nft_af_info
abstraction")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection