Fix virtio lastUsedIndex wrap-around error
Fix virtio lastUsedIndex wrap-around error

Champii/runtime,dawangjiaowolaixunshan/runtime,facekapow/runtime,kingland/runtime,kingland/runtime,runtimejs/runtime,jaeh/runtime,dawangjiaowolaixunshan/runtime,jaeh/runtime,Champii/runtime,Champii/runtime,runtimejs/runtime,runtimejs/runtime,facekapow/runtime,jaeh/runtime,runtimejs/runtime,kingland/runtime,facekapow/runtime,kingland/runtime,dawangjiaowolaixunshan/runtime,jaeh/runtime,Champii/runtime,facekapow/runtime,facekapow/runtime,Champii/runtime,dawangjiaowolaixunshan/runtime,kingland/runtime,dawangjiaowolaixunshan/runtime,jaeh/runtime,runtimejs/runtime