Muwatta Malik · Hadith 542

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ قَالَ صُلِّيَ عَلَى عُمَرَ بْنِ الْخَطَّابِ فِي الْمَسْجِدِ ‏.‏

Yahya related to me from Malik from Nafi that Abdullah ibn Umar said, "The prayer over Umar ibn al-Khattab was done in the mosque

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