Re: Non-executable stack patch

Dan Hollis (
Mon, 9 Jun 1997 13:31:57 -0700 (PDT)

On Mon, 9 Jun 1997, Ingo Molnar wrote:
> On Sat, 7 Jun 1997, Solar Designer wrote:
> What about mapping libc always onto addresses that have a 0xab******
> pattern, and then forbidding character '0xab' in argv[] and envp[] strings
> [done by the kernel].

This will probably break multibyte encodings. Can you pass
EUC/SJIS/Unicode in argv/envp?