(1) باب
Narrated AbuSa'id al-Khudri:
The Prophet (ﷺ) said: The Mahdi will be of my stock, and will have a broad forehead a prominent nose. He will fill the earth will equity and justice as it was filled with oppression and tyranny, and he will rule for seven years.
Reference: Sunan Abi Dawud 4285
In-book reference: Book 38, Hadith 7
English translation: Book 37, Hadith 4272