Floating villagers

Hello, i want to report a bug. Few minutes ago i found out, that when villagers are asleep you can push them into a wall, then break the wall and then villagers fly. And when i made the time set to night, then a flying villager appeared and when I was hitting the villager, he made a boat sound and after few seconds he was flying a bit away, and then he started flying faster than I could run and he disappeared and he's still flying i guess :/ Here's how a flying villager looks: