Someone asked Sayyiduna Jabir (may Allah be pleased with him) what supplication should be made for the deceased. He replied that neither the Prophet (peace and blessings of Allah be upon him) nor the two Shaykhs made anything permissible (specified) for us in this regard.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14846
Hadith Gradingحکم دارالسلام:إسناده ضعيف، الحجاج بن أرطاة مدلس، وقد عنعن