Sahih Muslim 1020
صحيح مسلم#1020Sahihحَدَّثَنَا دَاوُدُ بْنُ رُشَيْدٍ، حَدَّثَنَا الْوَلِيدُ، - يَعْنِي ابْنَ مُسْلِمٍ - عَنْ سَعِيدٍ، - وَهُوَ ابْنُ عَبْدِ الْعَزِيزِ - عَنْ عَطِيَّةَ بْنِ قَيْسٍ، عَنْ قَزْعَةَ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، قَالَ لَقَدْ كَانَتْ صَلاَةُ الظُّهْرِ تُقَامُ فَيَذْهَبُ الذَّاهِبُ إِلَى الْبَقِيعِ فَيَقْضِي حَاجَتَهُ ثُمَّ يَتَوَضَّأُ ثُمَّ يَأْتِي وَرَسُولُ اللَّهِ صلى الله عليه وسلم فِي الرَّكْعَةِ الأُولَى مِمَّا يُطَوِّلُهَا .
Abu Sa'id al-Khudri reported:The noon prayer would start and one would go to al-Baqi' and after having relieved himself he would perform ablution and then come, while the Messenger of Allah (ﷺ) would be in the first rak'ah, because he would prolong it so much
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: 4:182