Musnad Ahmad 30:3222

Muhammad ibn Ja‘far narrated to us, he said: ‘Awf narrated to us, from Khallas, from Abu Hurayrah, from the Messenger of Allah, may Allah bless him and grant him peace, the like of the hadith mentioned from al-Hasan, from the Prophet, may Allah bless him and grant him peace. He then mentioned the meaning of the hadith of Abu ‘Amr.