Sunan an-Nasa'i 37
سنن النسائي#37SahihIt was narrated that Ibn 'Umar said:"A man passed by the Prophet (ﷺ) when he was urinating and greeted him with Salam, but he did not return his greeting
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahHasan Sahih
Al-AlbaniHasan Sahih
Zubair Ali ZaiSahih Muslim
In-book reference: 1:37