It was narrated that 'Abdullah bin Mas'ud said:
"I bear witness that the true and truly inspired one Abul-Qasim (ﷺ) told us: 'Selling a Muhaffalah is Khilabah, and Khilabah is not lawful for the Muslim."' (Ibn Majah said: " Meaning: 'Deception.") (RU)
English reference (RU): Vol. 3, Book 12, Hadith 2241 (RU)
Arabic reference (RU): Book 12, Hadith 2326 (RU)