Commit f3cda6e0 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

usb-host: add range checks for usb-host parameters 



Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 2a2c4830

hw/usb/host-libusb.c

+13 −0
Original line number Diff line number Diff line
@@ -952,6 +952,19 @@ static int usb_host_initfn(USBDevice *udev) 
{

    USBHostDevice *s = USB_HOST_DEVICE(udev);



    if (s->match.vendor_id > 0xffff) {

        error_report("vendorid out of range");

        return -1;

    }

    if (s->match.product_id > 0xffff) {

        error_report("productid out of range");

        return -1;

    }

    if (s->match.addr > 127) {

        error_report("hostaddr out of range");

        return -1;

    }



    loglevel = s->loglevel;

    udev->flags |= (1 << USB_DEV_FLAG_IS_HOST);

    udev->auto_attach = 0;