Abu Ahmad ibn Adi al-Jurjani: Most of what he narrates is not followed, and he is among those who steal hadith
Abu Hatim ibn Hibban al-Busti: He makes many mistakes
Abu Abd Allah al-Hakim al-Naysaburi: He is among those famous for seeking knowledge, travelling, abundance of knowledge, understanding, and firmness
Ibn Hajar al-Asqalani: I saw a disapproved trace from him
Al-Dhahabi: A hadith scholar and traveler