Muwatta Malik 836
موطأ مالك#836Sahihوَحَدَّثَنِي عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم بَعَثَ عَبْدَ اللَّهِ بْنَ حُذَافَةَ أَيَّامَ مِنًى يَطُوفُ يَقُولُ إِنَّمَا هِيَ أَيَّامُ أَكْلٍ وَشُرْبٍ وَذِكْرِ اللَّهِ .
Yahya related to me from Malik from Ibn Shihab that the Messenger of Allah, may Allah bless him and grant him peace, sent Abdullah ibn Hudhayfa out on the days of Mina to circulate among the people to tell them those days were for eating and drinking and remembrance of Allah
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: 20:132