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-rw-r--r--hw/usb/bus.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index fe70429304..e48b19fc29 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -49,7 +49,9 @@ static int usb_device_post_load(void *opaque, int version_id)
} else {
dev->attached = 1;
}
- if (dev->setup_index >= sizeof(dev->data_buf) ||
+ if (dev->setup_index < 0 ||
+ dev->setup_len < 0 ||
+ dev->setup_index >= sizeof(dev->data_buf) ||
dev->setup_len >= sizeof(dev->data_buf)) {
return -EINVAL;
}