Musannaf Ibn Abi Shayba 19:284

Abu Bakr narrated to us, he said: Muhammad ibn Yazid narrated to us, from Abu al-Ala, from Qatada, who said: "There is nothing upon him." And Abu Hashim said: "If he says, 'You will have intercourse with so-and-so in his anus,' he said: 'Flog him with the prescribed punishment (hadd).'"