Sahih Muslim
The Book of Jihad and Expeditions — Hadith #4400
Scholarly Consensus: Sahih How we grade
حَدَّثَنِي حَرْمَلَةُ بْنُ يَحْيَى، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، عَنْ حَمْزَةَ، وَسَالِمٍ، ابْنَىْ عَبْدِ اللَّهِ أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ
" لِكُلِّ غَادِرٍ لِوَاءٌ يَوْمَ الْقِيَامَةِ " .
There will be a flag for every perfidious person on the Day of Judgment.
Chain of Narration (Isnad)
Hadith Grading
Each grade below reflects one scholar's assessment of the chain of transmission. The grade describes the chain, not the Prophet's words. How we grade
Scholarly Consensus: Sahih