Sahih al-Bukhari 6062
صحيح البخاري#6062SahihNarrated Salim:that his father said; "When Allah's Messenger (ﷺ) mentioned what he mentioned about (the hanging of) the Izar (waist sheet), Abu Bakr said, "O Allah's Messenger (ﷺ)! My Izar slackens on one side (without my intention)." The Prophet (ﷺ) said, "You are not among those (who, out of pride) drag their Izars behind them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 78:92