X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_user%2Fvhost_user.c;h=6f4845b70e03898fea2a5aa47851de41ecd5955d;hb=47d9763a1dd3103d732da9eec350cfc1cd784717;hp=082e8217ef12e28bd5c775d1bb932aae3472bc98;hpb=fdd2322bb45e83d3fd96b06ea32a4afbb60bcb6f;p=deb_dpdk.git

diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index 082e8217..6f4845b7 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -97,6 +97,10 @@ vhost_user_read(int fd, struct vhost_user_msg *msg)
 	}
 
 	sz_payload = msg->size;
+
+	if ((size_t)sz_payload > sizeof(msg->payload))
+		goto fail;
+
 	if (sz_payload) {
 		ret = recv(fd, (void *)((char *)msg + sz_hdr), sz_payload, 0);
 		if (ret < sz_payload) {