Abu al-Hasan ibn al-Bada: Trustworthy, accurate hearing, but he did not know anything about Hadith
Abu Naeem al-Asbahani: He was righteous, then he became confused
Abd al-Hayy ibn al-'Imad al-Hanbali: The owner of the Mashyakha in Baghdad, he did not know anything about Hadith, so they brought him in and corrupted him
Muhammad ibn al-Abbas ibn Najeh al-Bazzaz: He was trustworthy, then he claimed to have heard and did not hear, so he was violated and disgraced