'Urwa reported on the authority of his father that 'A'isha said to him:
O, the son of my sister, the Muslims were commanded to seek forgiveness for the Companions of Allah's Apostle (ﷺ) but they reviled them. (IT)
Reference (IT): Sahih Muslim 3022 a (IT)
In-book reference (IT): Book 56, Hadith 17 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 43, Hadith 7167 (IT)