Sa'd bin Ibrahim (may Allah have mercy on him) narrates from his father (Ibrahim bin Abd al-Rahman bin Awf (may Allah have mercy on him)) that he said: Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) sent for Sayyiduna Ibn Mas'ud (may Allah be pleased with him), Sayyiduna Abu Mas'ud al-Ansari (may Allah be pleased with him) and Sayyiduna Abu al-Darda' (may Allah be pleased with him), and said: "What are these hadiths that you narrate so much from the Messenger of Allah (peace and blessings be upon him)?" Then he kept them in Madinah until he (Sayyiduna Umar (may Allah be pleased with him)) was martyred.
Imam al-Tabarani (may Allah have mercy on him) said: "No one narrated this hadith except Ishaq bin Musa al-Ansari (may Allah have mercy on him)."
Hadith Referenceالمعجم الأوسط / باب الحاء / 3449
Hadith Gradingمحدثین:منقطع، لا يصح عن عمر
Hadith Takhrij«قال الهيثمي: هذا أثر منقطع وإبراهيم ولد سنة عشرين ولم يدرك من حياة عمر إلا ثلاث سنين وابن مسعود كان بالكوفة ولا يصح هذا عن عمر «مجمع الزوائد ومنبع الفوائد، ج 1، ص 149»»