Sunan an-Nasai 19354
In-book no 4618أَخْبَرَنَا نَصْرُ بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا يَزِيدُ، عَنْ مَعْمَرٍ، عَنِ الزُّهْرِيِّ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، قَالَ رَأَيْتُ النَّاسَ يُضْرَبُونَ عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم إِذَا اشْتَرَوُا الطَّعَامَ جُزَافًا أَنْ يَبِيعُوهُ حَتَّى يُئْوُوهُ إِلَى رِحَالِهِمْ .
It was narrated from Salim that his father said: "I saw people being beaten (in punishment) at the time of the Messenger of Allah for buying food unmeasured and selling it before bringing it to their own camp."