Sunan an-Nasa'i 3107
سنن النسائي#3107SahihIt was narrated that Abu Hurairah said:"No man who weeps for fear of Allah will be touched by the Fire until the milk goes back into the udders. And the dust (of Jihad) in the cause of Allah and the smoke of Hell, will never be combined in the nostrils of a Muslim
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 25:23