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    SubjectRe: can chroot be made safe for non-root?
    Pavel Machek  wrote:
    >> I am eager to be able to sandbox my processes on a system without the
    >> help of suid-root programs (as I prefer to have none of these on my
    >> system).
    >You can do that using ptrace.

    ptrace() is ok, but it also has lots of disadvantages: performance,
    expressiveness, security, assurance. I've posted before on this mailing
    list, at length, about them. In short, ptrace() is not an ideal solution,
    and a secure chroot() or other way to construct a jail/sandbox would
    be better. (LSM will be much better.)
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