Musannaf Ibn Abi Shayba 8:180

Abu Bakr narrated to us, he said: Ibn Fudayl narrated to us, from Yazid ibn Abi Ziyad, he said: Mujahid, Sa’id ibn Jubayr, ‘Ali ibn ‘Abd Allah ibn al-‘Abbas, al-Husayn ibn al-Hasan, and Abu Ja’far used to speak while they were performing Tawaf around the House (the Ka’bah) and between al-Safa and al-Marwah.