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- diff --git a/third_party/libusb/src/libusb/os/windows_usb.c b/third_party/libusb/src/libusb/os/windows_usb.c
- index 259897e..4469992 100644
- --- a/third_party/libusb/src/libusb/os/windows_usb.c
- +++ b/third_party/libusb/src/libusb/os/windows_usb.c
- @@ -663,6 +663,12 @@ static int windows_assign_endpoints(struct libusb_device_handle *dev_handle, int
- return r;
- }
-
- + if (iface >= conf_desc->bNumInterfaces ||
- + altsetting >= conf_desc->interface[iface].num_altsetting) {
- + usbi_dbg("interface %d, altsetting %d out of range", iface, altsetting);
- + return LIBUSB_ERROR_INVALID_PARAM;
- + }
- +
- if_desc = &conf_desc->interface[iface].altsetting[altsetting];
- safe_free(priv->usb_interface[iface].endpoint);
-
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