Re: WARNING in tty_set_termios

Re: WARNING in tty_set_termios

[syzbot]

syzbot has bisected this bug to:

commit 162f812f23bab583f5d514ca0e4df67797ac9cdf
Author: Loic Poulain <loic.poulain@intel.com>
Date:   Mon Sep 19 14:29:27 2016 +0000

     Bluetooth: hci_uart: Add Marvell support

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12cd5c2b200000
start commit:   162f812f Bluetooth: hci_uart: Add Marvell support
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=11cd5c2b200000
console output: https://syzkaller.appspot.com/x/log.txt?x=16cd5c2b200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000

Reported-by: syzbot+a950165cbb86bdd023a4@syzkaller.appspotmail.com
Fixes: 162f812f ("Bluetooth: hci_uart: Add Marvell support")

Re: WARNING in tty_set_termios

[syzbot]

syzbot suspects this bug was fixed by commit:

commit b36a1552d7319bbfd5cf7f08726c23c5c66d4f73
Author: Vladis Dronov <vdronov@redhat.com>
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=10b20aeae00000
start commit:   66c56cfa Merge tag 'remove-dma_zalloc_coherent-5.0' of git..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000

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

Re: WARNING in tty_set_termios

[Vladis Dronov]

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

Best regards,
Vladis Dronov

----- Original Message -----
> From: "syzbot" <syzbot+a950165cbb86bdd023a4@syzkaller.appspotmail.com>
> To: gregkh@linuxfoundation.org, gustavo@padovan.org, "johan hedberg" <johan.hedberg@gmail.com>, jslaby@suse.com,
> linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, "loic poulain" <loic.poulain@intel.com>,
> marcel@holtmann.org, mhjungk@gmail.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org,
> vdronov@redhat.com
> Sent: Monday, December 9, 2019 7:20:01 AM
> Subject: Re: WARNING in tty_set_termios
> 
> syzbot suspects this bug was fixed by commit:
> 
> commit b36a1552d7319bbfd5cf7f08726c23c5c66d4f73
> Author: Vladis Dronov <vdronov@redhat.com>
> 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=10b20aeae00000
> start commit:   66c56cfa Merge tag 'remove-dma_zalloc_coherent-5.0' of git..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
> dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000
> 
> 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
> 
>