I came to the Messenger of Allah ﷺ during the expedition of Tabuk while he was in a tent made of leather. I greeted him, and he returned the greeting and said, "Come in."I asked, "All of me, Messenger of Allah?"He replied, "All of you."So I entered.
حدثنا مؤمل بن الفضل حدثنا الوليد بن مسلم عن عبد الله بن العلاء عن بسر بن عبيد الله عن أبي إدريس الخولاني
أتيت رسول الله ﷺ في غزوة تبوك وهو في قبة من أدم فسلمت فرد وقال ادخل فقلت أكلي يا رسول الله قال كلك فدخلت
No references are available.
Bukhari narrated it in the Book of Jizya and Peace Treaties, chapter on the warning against betrayal, etc., hadith no. 3176, from the hadith of Walid bin Muslim through the same route.