Sunan Abi Dawud 39
سنن أبي داود#39Sahihحَدَّثَنَا حَيْوَةُ بْنُ شُرَيْحٍ الْحِمْصِيُّ، حَدَّثَنَا ابْنُ عَيَّاشٍ، عَنْ يَحْيَى بْنِ أَبِي عَمْرٍو السَّيْبَانِيِّ، عَنْ عَبْدِ اللَّهِ بْنِ الدَّيْلَمِيِّ، عَنْ عَبْدِ اللَّهِ بْنِ مَسْعُودٍ، قَالَ قَدِمَ وَفْدُ الْجِنِّ عَلَى رَسُولِ اللَّهِ صلى الله عليه وسلم فَقَالُوا يَا مُحَمَّدُ انْهَ أُمَّتَكَ أَنْ يَسْتَنْجُوا بِعَظْمٍ أَوْ رَوْثَةٍ أَوْ حُمَمَةٍ فَإِنَّ اللَّهَ تَعَالَى جَعَلَ لَنَا فِيهَا رِزْقًا . قَالَ فَنَهَى النَّبِيُّ صلى الله عليه وسلم عَنْ ذَلِكَ .
Narrated Abdullah ibn Mas'ud: A deputation of the jinn came to the Prophet (ﷺ) and said: O Muhammad, forbid your community to cleans themselves with a bone or dung or charcoal, for in them Allah has provided sustenance for us. So the Prophet (ﷺ) forbade them to do so
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: 1:39