Abu Ahmad ibn Adi al-Jarjani: Among the weak narrators of Kufa whose hadiths are collected but not acted upon
Abu Bakr al-Bayhaqi: Not reliable
Abu Hatim al-Razi: How close is Abu Sa'd al-Baqal to Abu Junada! His hadith is not reliable
Abu Hatim ibn Hibban al-Busti: Very forgetful, extremely erroneous
Abu Dawud al-Sijistani: Not trustworthy
Abu Zur'ah al-Razi: Lenient in hadith, a truthful mudallis who does not lie
Ahmad ibn Hanbal: Reject his hadiths
Ahmad ibn Shu'ayb al-Nasa'i: Weak, and once said: He is not trustworthy, and his hadith should not be written down
Ahmad ibn Salih al-Jalili: Weak
Ibn Hajar al-'Asqalani: Weak mudallis, and said in al-Matalib al-'Aliyah: Weak
al-Daraqutni: Abandoned
al-Dhahabi: al-Fallas abandoned him, and he is weak according to them
Hafs ibn Ghiyath al-Nakh'i: Abandoned his hadith
Hammad ibn Usamah al-Kufi: Trustworthy
Zakariya ibn Yahya al-Saji: Truthful, but with some weakness
Sufyan ibn 'Uyaynah: He weakened him, and once said: Ibn 'Abd al-Karim was more knowledgeable than him
Amr ibn 'Ali al-Fallas: Weak in hadith, abandoned in hadith
Muhammad ibn Isma'il al-Bukhari: Reject his hadiths, and once said: Close to being rejected
Muhammad ibn 'Abd Allah al-Makhrami: He had a close chain of narration. Meaning: We wrote from him because of his close chain of narration, and had it not been for that, we would not have written anything from him, as stated by Abu Hatim
Yahya ibn Ma'in: From the narration of Ibn Abi Maryam who said: He is nothing, his hadith should not be written down. From the narration of Mu'awiyah and al-'Abbas who said: Weak. In the narration of Ibn Mahriz, he said: He was not trustworthy
Ya'qub ibn Sufyan al-Fasawi: Weak, not happy with his hadith