Sahih al-Bukhari 2213
صحيح البخاري#2213SahihNarrated Jabir:Allah's Messenger (ﷺ) gave preemption (to the partner) in every joint property, but if the boundaries of the property were demarcated or the ways and streets were fixed, then there was no pre-emption
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: 34:159