Sunan Abi Dawud 4947
سنن أبي داود#4947Sahihحَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، أَخْبَرَنَا سُفْيَانُ، عَنْ أَبِي مَالِكٍ الأَشْجَعِيِّ، عَنْ رِبْعِيِّ بْنِ حِرَاشٍ، عَنْ حُذَيْفَةَ، قَالَ قَالَ نَبِيُّكُمْ صلى الله عليه وسلم " كُلُّ مَعْرُوفٍ صَدَقَةٌ " .
Hudhaifah said :Your prophet (May peace be upon him) said : Every good act is a SADAQAH (almsgiving)
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Muhammad Muhyi Al-Din Abdul Hamid, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 43:175