Abu Ahmad ibn Adi al-Jurjani: His hadiths are obscure and rejected
Abu Muhammad ibn Hazm al-Zahiri: Unknown
Ibn Hajar al-'Asqalani: Lenient in narration
Ibn 'Iraq: Narrated from Musa ibn Uqba, and from him Khattab ibn Umar al-Saffar with a false report
al-Daraqutni: Trustworthy
al-Dhahabi: Reliable