static int gs_cmd_reset(struct gs_usb *gsusb, struct gs_can *gsdev)
{
	struct gs_device_mode *dm;
	struct usb_interface *intf = gsdev->iface;
	int rc;

	dm = kzalloc(sizeof(*dm), GFP_KERNEL);
	if (!dm)
		return -ENOMEM;

	dm->mode = GS_CAN_MODE_RESET;

	rc = usb_control_msg(interface_to_usbdev(intf),
			     usb_sndctrlpipe(interface_to_usbdev(intf), 0),
			     GS_USB_BREQ_MODE,
			     USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
			     gsdev->channel,
			     0,
			     dm,
			     sizeof(*dm),
			     1000);

	return rc;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.