I came to Yala bin Umaya, and he said that the Messenger of Allah ﷺ said, "Hoarding food within the Sacred Precinct is a form of sacrilege against it."
حدثنا الحسن بن علي حدثنا أبو عاصم عن جعفر بن يحيى بن ثوبان أخبرني عمارة بن ثوبان
أتيت يعلى بن أمية فقال إن رسول الله ﷺ قال احتكار الطعام في الحرم إلحاد فيه
No references are available.
[Its isnad is daif] Bukhari narrated it in Tarikh al-Kabir 7/255, from Abu Asim, with the same wording. Jafar and Umara are of unknown status, and Musa bin Bazan is unknown. The hadith has a daif corroborating report in Tabarani's al-Awsat (Majma al-Zawaid 4/101, and Targheeb wal-Tarheeb 2/585).