Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:10938al-Shaykh Abū al-Fatḥ al-ʿUmarī > Ibn Firās > Abū Jaʿfar al-Daybulī > Saʿīd b. ʿAbd al-Raḥman al-Makhzūmī > Sufyān > Ayyūb > Ibn Sīrīn

[Machine] A man said to Ibn Mas'ood that he borrowed five hundred (units) from a man on the condition that he lends him (the man who borrowed) the back of his horse. Abdullah (Ibn Mas'ood) said, "Whatever is obtained from it is riba (usury)." Ibn Seereen reported this from Abdullah and said, "It is cut off (i.e., invalid)."  

البيهقي:١٠٩٣٨أَخْبَرَنَا الشَّيْخُ أَبُو الْفَتْحِ الْعُمَرِيُّ أنا ابْنُ فِرَاسٍ ثنا أَبُو جَعْفَرٍ الدَّيْبُلِيُّ ثنا سَعِيدُ بْنُ عَبْدِ الرَّحْمَنِ الْمَخْزُومِيُّ ثنا سُفْيَانُ عَنْ أَيُّوبَ عَنِ ابْنِ سِيرِينَ قَالَ

قَالَ رَجُلٌ لِابْنِ مَسْعُودٍ إِنِّي اسْتَسْلَفْتُ مِنْ رَجُلٍ خَمْسَمِائَةٍ عَلَى أَنْ أُعِيرَهُ ظَهْرَ فَرَسِي فَقَالَ عَبْدُ اللهِ مَا أَصَابَ مِنْهُ فَهُوَ رِبًا ابْنُ سِيرِينَ عَنْ عَبْدِ اللهِ مُنْقَطِعٌ