Sahih al-Bukhari 3360
صحيح البخاري#3360SahihNarrated `Abdullah:When the Verse:--"It is those who believe and do not confuse their belief with wrong ( i.e. joining others in worship with Allah" (6.83) was revealed, we said, "O Allah's Messenger (ﷺ)! Who is there amongst us who has not done wrong to himself?" He replied, "It is not as you say, for 'wrong' in the Verse and 'do not confuse their belief, with wrong means 'SHIRK' (i.e. joining others in worship with Allah). Haven't you heard Luqman's saying to his son, 'O my son! Join not others in worship with Allah, verily joining others in worship with Allah is a great wrong indeed
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: 60:35