Sunan Abi Dawud 4653
سنن أبي داود#4653SahihJabir reported the Messenger of Allah (ﷺ) as saying:No one of those who took the oath of allegiance under the tree will go to hell
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 42:58