syzbot


BUG: unable to handle kernel NULL pointer dereference in hci_uart_set_flow_control
Status: fixed on 2019/08/14 02:14
Reported-by: syzbot+79337b501d6aa974d0f6@syzkaller.appspotmail.com
Fix commit: b36a1552 Bluetooth: hci_uart: check for missing tty operations
First crash: 156d, last: 156d
Bisection: introduced by (bisect log):

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

  Bluetooth: hci_uart: Add Marvell support

Tree: upstream
Crash: BUG: unable to handle kernel NULL pointer dereference in corrupted (log)
Repro: C syz .config

Sample crash report:

All crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce 2019/03/21 12:01 upstream 54c49016 427ea487 .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci-upstream-kasan-gce-selinux-root 2019/03/21 17:23 upstream 54c49016 dce6e62f .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci-upstream-kasan-gce-smack-root 2019/03/21 13:59 upstream 54c49016 427ea487 .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci-upstream-kasan-gce-root 2019/03/21 11:59 upstream 54c49016 427ea487 .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci-upstream-kasan-gce-386 2019/03/21 12:02 upstream 54c49016 427ea487 .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci-upstream-linux-next-kasan-gce-root 2019/03/21 11:42 linux-next 32a217ba 427ea487 .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci-upstream-linux-next-kasan-gce-root 2019/03/21 11:23 linux-next 32a217ba 427ea487 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org