Musannaf Ibn Abi Shayba 37:435

Affan narrated to us, he said: Aban al-Attar narrated to us, from Qatadah, from Abdullah ibn Abi Utbah, from Abu Sa’id, from the Prophet (peace and blessings of Allah be upon him), he said: "The House shall surely be performed Hajj to, and it shall surely be performed Umrah to, after the emergence of Gog and Magog."