(7) باب فِي الْفِتْنَةِ الَّتِي تَمُوجُ كَمَوْجِ الْبَحْرِ
Hudhaifa reported that Umar said:
Who would narrate to us (the ahadith pertaining to turmoil) and he reported a hadith similar to these ahadith.
Reference: Sahih Muslim 144 f
In-book reference: Book 54, Hadith 36
USC-MSA web (English) reference(deprecated numbering scheme): Book 41, Hadith 6916