diff options
| -rw-r--r-- | hw/virtio/virtio.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 752b2715d0..28cf504d6a 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -562,6 +562,11 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz) max = vq->vring.num; + if (vq->inuse >= vq->vring.num) { + error_report("Virtqueue size exceeded"); + exit(1); + } + i = head = virtqueue_get_head(vq, vq->last_avail_idx++); if (virtio_vdev_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) { vring_set_avail_event(vq, vq->last_avail_idx); |