Abbad b. Tamim reported from his uncle that a person made a complaint to the Apostle (ﷺ) that he entertained (doubt) as it something had happened to him breaking his ablution. He (the Holy Prophet) said:He should not return (from prayer) unless he hears a sound or perceives a smell (of passing wind). Abu Bakr and Zuhair b. Harb have pointed out in their narrations that it was 'Abdullah b. Zaid

English translation · Sahih Muslim