(5) باب فِي كَرَاهِيَةِ الْحَلِفِ بِالآبَاءِ
Sa'id ibn Ubaydah said:
Ibn Umar heard a man swearing: No, I swear by the Ka'bah. Ibn Umar said to him: I heard the Messenger of Allah (ﷺ) say: He who swears by anyone but Allah is polytheist.
Reference: Sunan Abi Dawud 3251
In-book reference: Book 22, Hadith 10
English translation: Book 21, Hadith 3245