51. Characteristics of The Hypocrites And Rulings Concerning Them - كتاب صفات المنافقين وأحكامهم
Jabir reported Allah's Apostle (ﷺ) came to the grave of 'Abdullah b. Ubayy, brought him out from that, placed him on his knee and put his saliva in his mouth and shrouded him in his own shirt and Allah knows best.