Musnad Abu Ya'la al-Mawsili 151:95

Hajjaj ibn Yusuf narrated to us, Yazid ibn Abi Hakim narrated to me, Zam'ah narrated to me, from Ibn Shihab: Ubaydullah ibn Abdullah informed me, from Ibn Mas'ud, that he performed the *Tamattu'* (enjoyment) of Hajj with the Prophet, may Allah bless him and grant him peace.