Sahih Muslim 4929
صحيح مسلم#4929SahihIt has been narrated on the authority of Anas b. Malik that the Messenger of Allah (may peace he upon him) said:Who seeks martyrdom with sincerity shall get its reward, though he may not achieve it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 33:224