Sunan Abi Dawud 4899
سنن أبي داود#4899Sahihحَدَّثَنَا زُهَيْرُ بْنُ حَرْبٍ، حَدَّثَنَا وَكِيعٌ، حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، رضى الله عنها قَالَتْ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا مَاتَ صَاحِبُكُمْ فَدَعُوهُ لاَ تَقَعُوا فِيهِ " .
A’ishah reported the Messenger of Allah (May peace be upon him) as saying :When your companion dies, leave him and do not revile him
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:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 43:127