Sahih al-Bukhari 176
صحيح البخاري#176Sahihحَدَّثَنَا آدَمُ بْنُ أَبِي إِيَاسٍ، قَالَ حَدَّثَنَا ابْنُ أَبِي ذِئْبٍ، عَنْ سَعِيدٍ الْمَقْبُرِيِّ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم " لاَ يَزَالُ الْعَبْدُ فِي صَلاَةٍ مَا كَانَ فِي الْمَسْجِدِ يَنْتَظِرُ الصَّلاَةَ، مَا لَمْ يُحْدِثْ ". فَقَالَ رَجُلٌ أَعْجَمِيٌّ مَا الْحَدَثُ يَا أَبَا هُرَيْرَةَ قَالَ الصَّوْتُ. يَعْنِي الضَّرْطَةَ.
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "A person is considered in prayer as long as he is waiting for the prayer in the mosque as long as he does not do Hadath." A non-Arab man asked, "O Abu Huraira! What is Hadath?" I replied, "It is the passing of wind (from the anus) (that is one of the types of Hadath)
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: 4:42