Musnad Ahmad 30:462

Abu Kamil narrated to us, Ibrahim—meaning Ibn Sa'd—narrated to us, Ibn Shihab narrated to us, from Abu Salamah, from Abu Hurairah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Our stopping place tomorrow, if Allah wills, is at Khayf Bani Kinanah, where they swore an oath upon disbelief."