Sahih al-Bukhari 6818
صحيح البخاري#6818SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "The boy is for (the owner of) the bed and the stone is for the person who commits illegal sexual intercourse
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: 86:46