Sahih al-Bukhari 177
صحيح البخاري#177Sahihحَدَّثَنَا أَبُو الْوَلِيدِ، قَالَ حَدَّثَنَا ابْنُ عُيَيْنَةَ، عَنِ الزُّهْرِيِّ، عَنْ عَبَّادِ بْنِ تَمِيمٍ، عَنْ عَمِّهِ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ يَنْصَرِفْ حَتَّى يَسْمَعَ صَوْتًا أَوْ يَجِدَ رِيحًا ".
Narrated `Abbad bin Tamim:My uncle said: The Prophet (ﷺ) said, "One should not leave his prayer unless he hears sound or smells something
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 al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 4:43