Sunan Abi Dawud 4360
سنن أبي داود#4360Da'ifJarir reported the prophet (ﷺ) as saying:When a slave runs away and reverts to polytheism, he may lawfully be killed
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Zubair Ali ZaiDaif
In-book reference: 40:10