Sahih Muslim 7556
صحيح مسلم#7556SahihAbdullah b. Mas'ud said in connection with the verse:" Those whom they call upon, themselves seek the means of access to their Lord," that that verse was revealed in connection with a party of Arabs who used to worship a group amnogst the jinn; the jinn embraced Islam but the people kept worshipping them without being conscious of it. Then this verse was revealed:" Those whom they call upon, themselves seek the means of access to their Lord
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: 56:34