Hadithcore
Mishkat al-Masabih, 3549

Jarir reported the Prophet (ﷺ) as saying, “When a slave runs away and reverts to polytheism he may lawfully be killed.” Abu Dawud transmitted it.

وَعَنْ جَرِيرٍ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «إِذَا أَبَقَ الْعَبْدُ إِلَى الشِّرْكِ فقد حلَّ دَمه» . رَوَاهُ أَبُو دَاوُد

References1 variant
In-Book Reference
Book 16, Hadith 95