Volume 8 · Book 75 · Hadith 360
Narrated Qais: I came to Khabbab who had been branded with seven brands(1) and he said, "Had Allah's Apostle not forbidden us to invoke (Allah) for death, I would have invoked (Allah) for it."
— Sahih Bukhari, Volume 8, Book 75: Invocations, Hadith #360