From f3cda6e060c483dee1fa497699fd5f972e5031da Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 12 Dec 2013 14:47:15 +0100 Subject: [PATCH] usb-host: add range checks for usb-host parameters Signed-off-by: Gerd Hoffmann --- hw/usb/host-libusb.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c index afbf156..33b5b9f 100644 --- a/hw/usb/host-libusb.c +++ b/hw/usb/host-libusb.c @@ -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; -- 2.7.4