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  1. JDK
  2. JDK-8329968

os::random should be random

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Details

    • Bug
    • Resolution: Won't Fix
    • P3
    • 24
    • 23
    • hotspot

    Backports

      Description

        We don't initialize the random seed for os::random. We start with a static seed. So, every sequence of os::random will produce exactly the same sequence of numbers.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8333739 os::random should be random

            • P3 - Major loss of function.
            • Closed
            blocks

            Enhancement - null JDK-8332618 Rename the internal os::random() to os::random31bits(), and/or provide os::random_interval(int range) and comment

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Closed
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8323556 CDS archive space addresses should be randomized with ArchiveRelocationMode=1

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-8330027 Identity hashes of archived objects must be based on a reproducible random seed

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8332965 os::random shows bad distribution

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Closed
            links to

            Review Review(master) openjdk/jdk/18702

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                stuefe Thomas Stuefe
                stuefe Thomas Stuefe
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                  Created:
                  Updated:
                  Resolved: