Muwatta Malik 93
موطأ مالك#93SahihYahya related from Malik from Ibn Shihab that Salim ibn Abdullah said, "I saw my father Abdullah ibn Umar, do ghusl and then do wudu. I said to him, 'Father, isn't ghusl enough for you?' He said, 'Of course, but sometimes I touch my penis, so I do wudu
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih
In-book reference: 2:62