syzbot has bisected this bug to:
commit 726e41097920a73e4c7c33385dcc0debb1281e18
Author: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Date: Tue Jul 10 00:29:10 2018 +0000
drivers: core: Remove glue dirs from sysfs earlier
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15f69eaf200000
start commit: 771acc7e Bluetooth: btusb: request wake pin with NOAUTOEN
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=17f69eaf200000
console output: https://syzkaller.appspot.com/x/log.txt?x=13f69eaf200000
kernel config: https://syzkaller.appspot.com/x/.config?x=4fb64439e07a1ec0
dashboard link: https://syzkaller.appspot.com/bug?extid=91fd909b6e62ebe06131
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11770a8f200000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128c945b200000
Reported-by: syzbot+91fd909b6e62ebe06131@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 726e41097920 ("drivers: core: Remove glue dirs from sysfs earlier")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
