Sahih Muslim 5374
صحيح مسلم#5374SahihNafi' reported that Ibn 'Umar saw a poor man. He placed food before him and he ate much. He (Ibn 'Umar) said:He should not come to me. for I heard Allah's Messenger (ﷺ) as saying that the non-Muslim eats in seven intestines
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 36:248