Abu Ahmad ibn Adi al-Jurjani: He narrated two false hadiths from his father, and the people of Basra used to say that he steals the hadiths of Abu Khalifa and narrates them from his sheikhs, given that they would not deny Abu Abs's meeting with these sheikhs from whom he narrates.
Abu Bakr al-Isma'ili: A lenient sheikh by the standard of Sahih
al-Daraqutni: Abandoned from narration