Sunan Abi Dawud — The Rites of Hajj (Kitab Al-Manasik Wa'l-Hajj) — Hadith No: 1873
Translation
Abis bin Rabi’ah said on the authority of ‘Umar He(‘Umar) came to the (Black) Stone and said “ I know for sure that you are a stone which can neither benefit nor injure and had I not seen the Apostle of Allaah(ﷺ) kissing you, I would not have kissed you.”