Sunan Abi Dawud 1997
سنن أبي داود#1997Sahihحَدَّثَنَا دَاوُدُ بْنُ رُشَيْدٍ، حَدَّثَنَا يَحْيَى بْنُ زَكَرِيَّا، حَدَّثَنَا مُحَمَّدُ بْنُ إِسْحَاقَ، عَنْ أَبَانَ بْنِ صَالِحٍ، وَعَنِ ابْنِ أَبِي نَجِيحٍ، عَنْ مُجَاهِدٍ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم أَقَامَ فِي عُمْرَةِ الْقَضَاءِ ثَلاَثًا .
Narrated Abdullah ibn Abbas: The Messenger of Allah (ﷺ) stayed (at Mecca) for three days during umrah for atonement ('Umrat al-Qada)
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:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiDaif
In-book reference: 11:277