Sahih Muslim 327
صحيح مسلم#327SahihIt is narrated on the authority of 'Abdullah (b. Mas'ud) that when this verse was revealed:" It is those who believe and confound not their belief with wrongdoing" (vi. 82), the Companions of the Messenger of Allah wore greatly perturbed. They said: Who amongst us (is so fortunate) that he does not wrong himself? Upon this the Messenger of Allah (ﷺ) remarked: It does not mean that which you presume It implies that which Luqman said to his son: O my son, do not associate anything with Allah, for indeed it is the gravest wrongdoing (xxxi)
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: 1:234