Sunan Abi Dawud 899
سنن أبي داود#899Da'ifNarrated Abdullah ibn Abbas: I came to the Prophet (ﷺ) from behind. I saw the whiteness of his armpits and he kept his arms away from his sides and raised his stomach (from the ground)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiDaif
In-book reference: 2:509