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    SubjectRe: RFC/PATCH: Random pid generation

    [Alan Cox]
    > > Random pids just slow the process down. Its an argument for writing
    > > decent code.

    Chris Evans <> writes:
    > Random pids in a 32 bit space would take an average of ~1 random
    > number generation to calculate per fork. That can't be too slow can
    > it?

    By "slow the process down" Alan was referring to the process of
    exploiting a /tmp race. You didn't eliminate the race, in other words,
    you just obfuscated it.

    > WRT the security issues; predictable pids have always assisted the
    > cause of the cracker. Any extra difficulty we can generate is always
    > useful.

    Oh no, not the solar thread again....


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