Sunan Abi Dawud 12
سنن أبي داود#12Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ، عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ مُحَمَّدِ بْنِ يَحْيَى بْنِ حَبَّانَ، عَنْ عَمِّهِ، وَاسِعِ بْنِ حَبَّانَ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، قَالَ لَقَدِ ارْتَقَيْتُ عَلَى ظَهْرِ الْبَيْتِ فَرَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم عَلَى لَبِنَتَيْنِ مُسْتَقْبِلَ بَيْتِ الْمَقْدِسِ لِحَاجَتِهِ
Narrated 'Abd Allaah b. 'Umar :I ascended the roof of the house and saw the Apostle of Allaah ( sal Allaahu alayhi wa sallam) sitting on two bricks facing Jerusalem (Bait al-Maqdis) for relieving himself
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:
In-book reference: 1:12