Sunan Abi Dawud 4250
سنن أبي داود#4250Sahihقَالَ أَبُو دَاوُدَ حُدِّثْتُ عَنِ ابْنِ وَهْبٍ، قَالَ حَدَّثَنَا جَرِيرُ بْنُ حَازِمٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ عُمَرَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " يُوشِكُ الْمُسْلِمُونَ أَنْ يُحَاصَرُوا إِلَى الْمَدِينَةِ حَتَّى يَكُونَ أَبْعَدُ مَسَالِحِهِمْ سَلاَحَ " .
Abu Dawud said:Ibn 'Umar reported the Messenger of Allah (ﷺ) as saying: The Muslims will soon be besieged up to Medina, so that their most distant frontier outpost will be Salah
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 37:11