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    SubjectRe: [patch 1/2] Validate itimer timeval from userspace
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    On Sat, 2006-03-18 at 21:23 +0100, Jesper Juhl wrote:

    > Wouldn't this only break existing applications that do incorrect
    > things (passing invalid values) ?
    > If that's the case I'd say breaking them is OK and we should change to
    > follow the spec.
    >
    > I don't like potential userspace breakage any more than the next guy,
    > but if the breakage only affects buggy applications then I think it's
    > more acceptable.

    Yes, it only breaks buggy applications.

    On a full blown desktop the check (I added a printk) did not trigger.

    The only application I found so far was the LTP setitimer "correctness"
    test, which did not initialize it_interval and handed random garbage to
    the kernel. :)

    tglx


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