Sahih al-Bukhari 3079
صحيح البخاري#3079SahihNarrated Abu `Uthman An-Nahdi:Mujashi (bin Mas`ud) took his brother Mujalid bin Mas`ud to the Prophet (ﷺ) and said, "This is Mujalid and he will give a pledge of allegiance to you for migration." The Prophet (ﷺ) said, "There is no migration after the Conquest of Mecca, but I will take his pledge of allegiance for Islam
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.
In-book reference: 56:283