Sayyiduna Abu Mas'ud (may Allah be pleased with him) said: A man called Abu Shu'ayb prepared food and invited the Prophet (peace and blessings be upon him); there were five men with him (peace and blessings be upon him), and the Prophet (peace and blessings be upon him) asked his permission for the sixth man.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 14597