Externals/libusb: Bounds check the interface number

dolphin-emu · May 27, 2019 · 20770fe · 20770fe
1 parent 99b340a
commit 20770fe
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Externals/libusb/libusb/os/windows_winusb.c b/Externals/libusb/libusb/os/windows_winusb.c
@@ -2412,6 +2412,9 @@ static int get_valid_interface(struct libusb_device_handle *dev_handle, int api_
 */
 static int check_valid_interface(struct libusb_device_handle *dev_handle, unsigned short interface, int api_id)
 {
+	if (interface >= USB_MAXINTERFACES)
+		return -1;
+
 	struct winusb_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
 	struct winusb_device_priv *priv = _device_priv(dev_handle->dev);