Narrated Abdullah ibn Abbas: Abdullah ibn AbuSarh used to write (the revelation) for the Messenger of Allah (ﷺ). Satan made him slip, and he joined the infidels. The Messenger of Allah (ﷺ) commanded to kill him on the day of Conquest (of Mecca). Uthman ibn Affan sought protection for him. The Messenger of Allah (ﷺ) gave him protection

English translation · Sunan Abu Dawud