Musannaf Ibn Abi Shayba 3:5787

Yazid ibn Harun narrated to us, he said: Ibn 'Awn informed us, from Ibn Sirin, from Ibn 'Abbas, who said: We prayed with the Messenger of Allah (may Allah bless him and grant him peace) between Makkah and Madinah, while we were secure, fearing nothing, two rak'ahs.