Sahih al-Bukhari 1593
صحيح البخاري#1593SahihNarrated Abu Sa`id Al-Khudri:The Prophet (ﷺ) said "The people will continue performing the Hajj and `Umra to the Ka`ba even after the appearance of Gog and Magog." Narrated Shu`ba extra: The Hour (Day of Judgment) will not be established till the Hajj (to the Ka`ba) is abandoned
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 25:79