Sunan an-Nasa'i 1940
سنن النسائي#1940Sahihأَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا عَبْثَرٌ، عَنْ بُرْدٍ، أَخِي يَزِيدَ بْنِ أَبِي زِيَادٍ عَنِ الْمُسَيَّبِ بْنِ رَافِعٍ، قَالَ سَمِعْتُ الْبَرَاءَ بْنَ عَازِبٍ، يَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ تَبِعَ جَنَازَةً حَتَّى يُصَلَّى عَلَيْهَا كَانَ لَهُ مِنَ الأَجْرِ قِيرَاطٌ وَمَنْ مَشَى مَعَ الْجَنَازَةِ حَتَّى تُدْفَنَ كَانَ لَهُ مِنَ الأَجْرِ قِيرَاطَانِ وَالْقِيرَاطُ مِثْلُ أُحُدٍ " .
It was narrated that Al-Musayyab bin Rafi' said:"I heard Al-Bara' bin 'Azib say: The Messenger of Allah said: 'whoever follows a Janazah until the prayer is offered, he will have one Qirat of reward and whoever walks with the funeral until (the body) is buried will have two Qirats of reward, and a Qirat is like Uhud
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: 21:123