Re: general protection fault in qca_setup

[syzbot]

syzbot suspects this bug was fixed by commit:

commit b36a1552d7319bbfd5cf7f08726c23c5c66d4f73
Author: Vladis Dronov <vdronov@xxxxxxxxxx>
Date:   Tue Jul 30 09:33:45 2019 +0000

    Bluetooth: hci_uart: check for missing tty operations

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1436b32c600000
start commit:   d1393711 Linux 5.0-rc6
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=ee434566c893c7b1
dashboard link: https://syzkaller.appspot.com/bug?extid=8c0dbf8843bb75efaa05
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=130894af400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10799004c00000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: Bluetooth: hci_uart: check for missing tty operations

For information about bisection process see: https://goo.gl/tpsmEJ#bisection