Re: general protection fault in qca_setup

From: Vladis Dronov
Date: Fri Nov 08 2019 - 03:53:44 EST


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

Best regards,
Vladis Dronov | Red Hat, Inc. | The Core Kernel | Senior Software Engineer

----- Original Message -----
> From: "syzbot" <syzbot+8c0dbf8843bb75efaa05@xxxxxxxxxxxxxxxxxxxxxxxxx>
> To: gustavo@xxxxxxxxxxx, "johan hedberg" <johan.hedberg@xxxxxxxxx>, linux-bluetooth@xxxxxxxxxxxxxxx,
> linux-kernel@xxxxxxxxxxxxxxx, marcel@xxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx,
> vdronov@xxxxxxxxxx, ytkim@xxxxxxxxxxxxxxxx
> Sent: Thursday, November 7, 2019 2:42:08 PM
> Subject: Re: general protection fault in qca_setup
>
> 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