Sahih al-Bukhari 84
صحيح البخاري#84Sahihحَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، قَالَ حَدَّثَنَا وُهَيْبٌ، قَالَ حَدَّثَنَا أَيُّوبُ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم سُئِلَ فِي حَجَّتِهِ فَقَالَ ذَبَحْتُ قَبْلَ أَنْ أَرْمِيَ، فَأَوْمَأَ بِيَدِهِ قَالَ وَلاَ حَرَجَ. قَالَ حَلَقْتُ قَبْلَ أَنْ أَذْبَحَ. فَأَوْمَأَ بِيَدِهِ وَلاَ حَرَجَ.
Narrated Ibn `Abbas:Somebody said to the Prophet (during his last Hajj), "I did the slaughtering before doing the Rami.' The Prophet (ﷺ) beckoned with his hand and said, "There is no harm in that." Then another person said, "I got my head shaved before offering the sacrifice." The Prophet (ﷺ) beckoned with his hand saying, "There is no harm in that
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: 3:26