The driver was accessing its driver data after having freed it.
Fixes:
51f3baad7de9 ("can: mcba_usb: Add support for Microchip CAN BUS Analyzer")
Cc: stable <stable@vger.kernel.org> # 4.12
Cc: Remigiusz Kołłątaj <remigiusz.kollataj@mobica.com>
Reported-by: syzbot+e29b17e5042bbc56fae9@syzkaller.appspotmail.com
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
netdev_info(priv->netdev, "device disconnected\n");
unregister_candev(priv->netdev);
- free_candev(priv->netdev);
-
mcba_urb_unlink(priv);
+ free_candev(priv->netdev);
}
static struct usb_driver mcba_usb_driver = {