Abu Ahmad ibn Adi al-Jurjani: His narrations are characterized by weakness, and generally what he narrates is not followed.
Abu al-Faraj ibn al-Jawzi: He accused him of fabrication.
Abu Bakr al-Bazzar: He is not that bad. He narrated hadiths that were not followed, and once: His hadith is acceptable with strong Shia inclination.
Abu Hatim al-Razi: They criticize him.
Abu Hatim ibn Hibban al-Busti: He narrates fabricated narrations from trustworthy narrators and steals hadiths.
Abu Nasr ibn Makula: They considered him weak.
Ahmad ibn Shuayb al-Nasai: Abandoned in Hadith.
Ibn Hajar al-Asqalani: Weak, Ibn Ma'in went too far in declaring him a liar, once: I did not see anyone authenticating him, and al-Bukhari narrated from him in the Book of Ar-Raqa'iq only one hadith that is corroborated by others.
Al-Khatib al-Baghdadi: He arrived in Baghdad and narrated there, and he was not acceptable in narration.
Al-Daraqutni: Weak in Hadith.
Zakaria ibn Yahya al-Saji: I heard Ahmad ibn Yahya al-Sufi narrating from him with fabrications.
Yahya ibn Ma'in: A liar. I came to him in Baghdad in the shoe market and heard him narrating fabricated hadiths, and Ibn Hajar said: Ibn Ma'in went too far in declaring him a liar.