linux-kernel - Re: BUG: unable to handle kernel NULL pointer dereference in hci_uart_set_flow

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Message-ID: <000000000000795f1c05849ed02b@google.com>
Date:   Thu, 21 Mar 2019 11:22:00 -0700
From:   syzbot <syzbot+79337b501d6aa974d0f6@...kaller.appspotmail.com>
To:     gustavo@...ovan.org, johan.hedberg@...il.com,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        loic.poulain@...el.com, marcel@...tmann.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in hci_uart_set_flow_control

syzbot has bisected this bug to:

commit 162f812f23bab583f5d514ca0e4df67797ac9cdf
Author: Loic Poulain <loic.poulain@...el.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=112f0a3b200000
start commit:   162f812f Bluetooth: hci_uart: Add Marvell support
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=132f0a3b200000
console output: https://syzkaller.appspot.com/x/log.txt?x=152f0a3b200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9a31fb246de2a622
dashboard link: https://syzkaller.appspot.com/bug?extid=79337b501d6aa974d0f6
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15397fd7200000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=151e9e6d200000

Reported-by: syzbot+79337b501d6aa974d0f6@...kaller.appspotmail.com
Fixes: 162f812f23ba ("Bluetooth: hci_uart: Add Marvell support")

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