Sayyiduna Jabir bin Samurah (may Allah be pleased with him) narrates: Sayyiduna Umar (may Allah be pleased with him) said to Sayyiduna Sa’d (may Allah be pleased with him): The people of Kufa have complained about you in every matter, even regarding the prayer. So Sayyiduna Sa’d (may Allah be pleased with him) said: I make the first two rak’ahs long and the last two rak’ahs short, and I do not fall short in following the way of prayer of the Prophet (peace and blessings be upon him). So Sayyiduna Umar (may Allah be pleased with him) said: This is what I thought of you. The narrator named Abu Awn is Muhammad bin Ubaidullah.
Hadith Referenceصحیح ابن حبان / كتاب الصلاة / 2140
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح - مضى (1934). تنبيه!! رقم (1934) = (1937) من «طبعة المؤسسة». - مدخل بيانات الشاملة -.فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده صحيح على شرطهما، وهو مكرر (1937)، وانظر (1859).