Conditions
حَدَّثَنَا أَبُو نُعَيْمٍ، حَدَّثَنَا سُفْيَانُ، عَنْ زِيَادِ بْنِ عِلاَقَةَ، قَالَ سَمِعْتُ جَرِيرًا ـ رضى الله عنه ـ يَقُولُ بَايَعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم فَاشْتَرَطَ عَلَىَّ وَالنُّصْحِ لِكُلِّ مُسْلِمٍ.Narrated Jarir:When I gave the pledge of allegiance to Allah's Messenger (ﷺ) and he stipulated that I should give good advice to every Muslim
From Sahih al-Bukhari, whose reports the scholars accept as authentic.