Sahih Muslim 4660
صحيح مسلم#4660Sahihحَدَّثَنِي مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا حُجَيْنٌ، - يَعْنِي ابْنَ الْمُثَنَّى - حَدَّثَنَا لَيْثٌ، عَنْ عُقَيْلٍ، عَنِ ابْنِ شِهَابٍ، فِي هَذَا الإِسْنَادِ بِمِثْلِهِ وَزَادَ وَذَلِكَ قَبْلَ أَنْ يُسْلِمَ عَبْدُ اللَّهِ .
A similar tradition has been narrated through a different chain of transmitters by Ibn Shihab with the addition of the words:" Before Abdullah (b. Ubayy) became a Muslim
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 32:142