Sunan an-Nasa'i 2721
It was narrated from Mujahid and others, from a man from the people of Al-Iraq who was called Shaqiq bin Salmah Abu Wail, that:
there was a man from Banu Taghlib, who was called As-Subai bin Mabad, who had been a Christian, then became of Muslim.The first time he went for Hajj, he recited the Talbiyah  Hajj and "Umrah together, and he continued to recite the Talbiyah for them together, He passed by Salman bin Rabiah and Zaid bin suhan, and one to then said; "You are more lost than this camel of yours." As-Subai" said: "This upset me until I met 'Umar bin Al-Khattab, and I mentioned that to him. He said: 'Yuou have been guided to the sunnah of your Prophet shaqiq said: "Masruq bin Al-Ajda and I often used to visit As-Subai bin Ma'bad and talk with him"
أَخْبَرَنَا عِمْرَانُ بْنُ يَزِيدَ، قَالَ أَنْبَأَنَا شُعَيْبٌ، - يَعْنِي ابْنَ إِسْحَاقَ - قَالَ أَنْبَأَنَا ابْنُ جُرَيْجٍ، ح وَأَخْبَرَنِي إِبْرَاهِيمُ بْنُ الْحَسَنِ، قَالَ حَدَّثَنَا حَجَّاجٌ، قَالَ قَالَ ابْنُ جُرَيْجٍ أَخْبَرَنِي حَسَنُ بْنُ مُسْلِمٍ، عَنْ مُجَاهِدٍ، وَغَيْرِهِ، عَنْ رَجُلٍ، مِنْ أَهْلِ الْعِرَاقِ يُقَالُ لَهُ شَقِيقُ بْنُ سَلَمَةَ أَبُو وَائِلٍ أَنَّ رَجُلاً مِنْ بَنِي تَغْلِبَ يُقَالُ لَهُ الصُّبَىُّ بْنُ مَعْبَدٍ وَكَانَ نَصْرَانِيًّا فَأَسْلَمَ فَأَقْبَلَ فِي أَوَّلِ مَا حَجَّ فَلَبَّى بِحَجٍّ وَعُمْرَةٍ جَمِيعًا فَهُوَ كَذَلِكَ يُلَبِّي بِهِمَا جَمِيعًا فَمَرَّ عَلَى سَلْمَانَ بْنِ رَبِيعَةَ وَزَيْدِ بْنِ صُوحَانَ فَقَالَ أَحَدُهُمَا لأَنْتَ أَضَلُّ مِنْ جَمَلِكَ هَذَا ‏.‏ فَقَالَ الصُّبَىُّ فَلَمْ يَزَلْ فِي نَفْسِي حَتَّى لَقِيتُ عُمَرَ بْنَ الْخَطَّابِ فَذَكَرْتُ ذَلِكَ لَهُ فَقَالَ هُدِيتَ لِسُنَّةِ نَبِيِّكَ صلى الله عليه وسلم ‏.‏ قَالَ شَقِيقٌ وَكُنْتُ أَخْتَلِفُ أَنَا وَمَسْرُوقُ بْنُ الأَجْدَعِ إِلَى الصُّبَىِّ بْنِ مَعْبَدٍ نَسْتَذْكِرُهُ فَلَقَدِ اخْتَلَفْنَا إِلَيْهِ مِرَارًا أَنَا وَمَسْرُوقُ بْنُ الأَجْدَعِ ‏.‏