syzbot has bisected this bug to:
commit 4ddc1b28aac57a90c6426d55e0dea3c1b5eb4782
Author: Chao Yu <yuchao0@xxxxxxxxxx>
Date: Wed Jul 25 23:19:48 2018 +0000
f2fs: fix to restrict mount condition when without CONFIG_QUOTA
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=142f4e49a00000
start commit: 81a72c79 Add linux-next specific files for 20190612
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=122f4e49a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=8aa46bbce201b8b6
dashboard link: https://syzkaller.appspot.com/bug?extid=8ab2d0f39fb79fe6ca40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1250ae3ea00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1568557aa00000
Reported-by: syzbot+8ab2d0f39fb79fe6ca40@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 4ddc1b28aac5 ("f2fs: fix to restrict mount condition when without
CONFIG_QUOTA")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
