"一般の人" or "一般の な人 " ,which the right one?

一般 is so-called a no-adjective, so you have to say 一般の人. (Jisho.org says 一般 is also a na-adjective, but I don't know when one can say 一般な.) 一般のな人 is always ungrammatical, and you can never say AのなB in general.

Related:

• So-called の-adjectives - how does の *really* work?
• If a word is both a na-adjective and a no-adjective, should I use a 'no' or a 'na'