Jami` at-Tirmidhi 942
جامع الترمذي#942SahihSalim narrated that :His father disliked making a condition during Hajj and he said: 'Is not the Sunnah of your Prophet enough for you?
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 9:135