Fixes: 7f74b95c444f ("vhost: pre update used ring for Tx and Rx")
Cc: [email protected]Signed-off-by: Tiwei Bie <[email protected]> --- lib/librte_vhost/virtio_net.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c index 474acf64d..d64c355b9 100644 --- a/lib/librte_vhost/virtio_net.c +++ b/lib/librte_vhost/virtio_net.c @@ -312,6 +312,9 @@ fill_vec_buf_split(struct virtio_net *dev, struct vhost_virtqueue *vq, struct vring_desc *descs = vq->desc; struct vring_desc *idesc = NULL; + if (unlikely(idx >= vq->size)) + return -1; + *desc_chain_head = idx; if (vq->desc[idx].flags & VRING_DESC_F_INDIRECT) { -- 2.17.1
