Musannaf Ibn Abi Shayba 37:561

Abu Bakr narrated to us, he said: Abdullah ibn Idris narrated to us, from Husayn, from Abu Wa'il (Shaqiq ibn Salamah), from Khalid al-'Absi, from Hudhayfah, and he mentioned Uthman, so he said: "O Allah, I did not kill, and I did not command, and I was not pleased."