Sunan Abu Dawud
1837
Sahih+3

Narrated Anas ibn Malik: The Messenger of Allah (ﷺ) had himself cupped on the surface of his foot because of a pain in it while he was in the sacred state (wearing ihram). Abu Dawud said: I heard Ahmad say: "Ibn Abi 'Arubah narrated it in Mursal form". Meaning from Qatadah

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid