Musnad Abu Ya'la al-Mawsili 42:308

Zuhayr narrated to us, Yazid bin Harun narrated to us, Muhammad bin ‘Amr informed us, from Abu Salamah, who said: We said to Abu Sa’id, "Did you hear the Messenger of Allah (may Allah bless him and grant him peace) mention the Haruriyyah?" He said, "I heard him say," and he mentioned the hadith.