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Random: Xoshiro256StarStar does not reject the invalid all-zero state #9249

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Random: Xoshiro256StarStar does not reject the invalid all-zero state#9249
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TimWolla
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BugExtension: randomStatus: Verified

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@zeriyoshi
zeriyoshi
opened on Aug 4, 2022

Description

It works as intended, but as a PRNG it is a dangerous behavior and should make the seed fail.

https://externals.io/message/118343

Reporting from Anton Smirnov, Thank you!

PHP Version

PHP-master

Operating System

All

Activity

  1. zeriyoshi
    added
    Bug
    Status: Verified
    Extension: random
    on Aug 4, 2022
  2. zeriyoshi
    assigned
    zeriyoshi
    and
    TimWolla
    and unassigned
    zeriyoshi
    on Aug 4, 2022

  3. zeriyoshi commented on Aug 5, 2022

    @zeriyoshi
    zeriyoshi
    on Aug 5, 2022
    ContributorAuthor

    #9250
    Works fast!

  4. TimWolla
    changed the title [-]Random: Xoshiro256StarStar outputs always zero[/-] [+]Random: Xoshiro256StarStar does not reject the invalid all-zero state[/+] on Aug 5, 2022
  5. TimWolla
    added a commit that references this issue on Aug 5, 2022

    Handle all-zero state in Xoshiro256**

    26de776
  6. TimWolla
    closed this as completedin 1cd2d73on Aug 5, 2022
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