Sahih al-Bukhari 4046
صحيح البخاري#4046SahihNarrated Jabir bin `Abdullah:On the day of the battle of Uhud, a man came to the Prophet (ﷺ) and said, "Can you tell me where I will be if I should get martyred?" The Prophet (ﷺ) replied, "In Paradise." The man threw away some dates he was carrying in his hand, and fought till he was martyred
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: 64:92