Sunan Abu Dawud
5184
Sahih Isnaad+2

The tradition mentioned above has also been transmitted by Abu Musa through a different chain of narrators in a similar manner. This version has :‘Umar said to Abd Musa: I do not blame you, but I am afraid that the people may talk carelessly about the Messenger of Allah (May peace be upon him)

Sahih IsnaadAl-Albani
Sahih IsnaadMuhammad Muhyi Al-Din Abdul Hamid