Sahih al-Bukhari 1543
صحيح البخاري#1543SahihNarrated 'Ubaidullah bin `Abdullah:Ibn `Abbas' said, "Usama rode behind Allah's Messenger (ﷺ) from `Arafat to Al-Muzdalifa; and then Al-Fadl rode behind Allah's Messenger (ﷺ) from Al-Muzdalifa to Mina." Ibn `Abbas added, "Both of them said, 'The Prophet kept on reciting Talbiya till he did the Rami of Jamrat-Al-`Aqaba
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.