Musnad Abu Ya'la al-Mawsili 155:73

Abu Bakr ibn Abi Shaybah narrated to us, Abd al-Rahman narrated to us, from Muhammad ibn Amr, from Abu Salamah, from Abu Hurayrah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "The days of Mina are days of eating and drinking."