"Whoever reports a Hadith on my authority that is thought to be false is one of the two liars (the one who fabricated it and the one who reported it)." [Muslim]
قَالَ رَسُولُ اللَّهِ ﷺ :«من حدَّث عني بحديث يُرَى أنه كَذِبٌ فهو أحد الكاذِبَين». رواه مسلم