Sunan Ibn Majah 421
سنن ابن ماجه#421Da'ifIt was narrated that Ubayy bin Ka'b said:"The Messenger of Allah said: 'There is a devil for ablution who is called Walahan, so be on guard against the insinuating thoughts (Waswas) about water
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniVery Daif
Muhammad Fouad Abd al-BaqiVery Daif
Shuaib Al ArnautVery Daif
Zubair Ali ZaiDaif
In-book reference: 1:155