Sahih al-Bukhari 4320
صحيح البخاري#4320Sahihحَدَّثَنَا أَبُو النُّعْمَانِ، حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ أَيُّوبَ، عَنْ نَافِعٍ، أَنَّ عُمَرَ، قَالَ يَا رَسُولَ اللَّهِ. حَدَّثَنِي مُحَمَّدُ بْنُ مُقَاتِلٍ أَخْبَرَنَا عَبْدُ اللَّهِ أَخْبَرَنَا مَعْمَرٌ عَنْ أَيُّوبَ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ قَالَ لَمَّا قَفَلْنَا مِنْ حُنَيْنٍ سَأَلَ عُمَرُ النَّبِيَّ صلى الله عليه وسلم عَنْ نَذْرٍ كَانَ نَذَرَهُ فِي الْجَاهِلِيَّةِ اعْتِكَافٍ، فَأَمَرَهُ النَّبِيُّ صلى الله عليه وسلم بِوَفَائِهِ. وَقَالَ بَعْضُهُمْ حَمَّادٌ عَنْ أَيُّوبَ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ. وَرَوَاهُ جَرِيرُ بْنُ حَازِمٍ وَحَمَّادُ بْنُ سَلَمَةَ عَنْ أَيُّوبَ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ عَنِ النَّبِيِّ صلى الله عليه وسلم.
Narrated Ibn `Umar:When we returned from (the battle of) Hunain, `Umar asked the Prophet (ﷺ) about a vow which he had made during the Pre-Islamic period of Ignorance that he would perform I`tikaf. The Prophet (ﷺ) ordered him to fulfill his vow
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:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:350