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    SubjectRe: Non-executable stack patch
    Ingo Molnar <> writes:

    > 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].

    That's an incredibly bad idea, in part because 0xab is a legitimate
    character in many sets, including ISO 8859-1 (in which it's a left

    Aaron M. Ucko ( | For Geek Code, PGP public key, and other info,
    finger | "Kids! Bringing about Armageddon can be dangerous.
    Do not attempt it in your home." -- T. Pratchett & N. Gaiman, _Good Omens_

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