Muwatta Malik · Hadith 52

وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ عَلِيَّ بْنَ أَبِي طَالِبٍ، وَعَبْدَ اللَّهِ بْنَ عَبَّاسٍ، كَانَا لاَ يَتَوَضَّآنِ مِمَّا مَسَّتِ النَّارُ ‏.‏

Yahya related to me from Malik that he had heard that Ali ibn Abi Talib and Abdullah ibn Abbas did not do wudu after eating cooked food

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).