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GeezerVison is showing github.com — PyUnicode_DecodeUTF8Stateful() does not set *consumed for ASCII-only string · Issue #99612 · python/cpython

PyUnicode_DecodeUTF8Stateful() does not set *consumed for ASCII-only string #99612

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PyUnicode_DecodeUTF8Stateful() does not set *consumed for ASCII-only string#99612
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3.10 (EOL)end of lifeend of life3.9 (EOL)end of lifeend of liferelease-blockertopic-C-APItopic-unicodetype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Description

@serhiy-storchaka
serhiy-storchaka
opened on Nov 20, 2022
Issue body actions

PyUnicode_DecodeUTF8Stateful() should save the number of successfully decoded bytes in *consumed. But if all bytes are in the ASCII range, it uses a fast path and does not set *consumed.

It was found during writing coverage tests for Unicode C API (#99593).

Linked PRs

  • gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data #99613
  • [3.11] gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data (GH-99613) #107224
  • [3.10] gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data (GH-99613) (GH-107224) #107230
  • [3.9] gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data (GH-99613) (GH-107224) #107231
Reacted by Michael Droettboom

Activity

Next
  1. serhiy-storchaka
    added
    type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
    topic-unicode
    3.11only security fixesonly security fixes
    3.10 (EOL)end of lifeend of life
    topic-C-API
    3.12only security fixesonly security fixes
    on Nov 20, 2022
  2. serhiy-storchaka
    added a commit that references this issue on Nov 20, 2022

    pythongh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data

    8ff13de
  3. serhiy-storchaka
    added a commit that references this issue on Dec 1, 2022

    gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data (GH-…

    f08e52c
  4. carljm
    added a commit that references this issue on Dec 1, 2022

    Merge branch 'main' into fixinspect

    12f7659
  5. iritkatriel
    closed this as completedon May 13, 2023
  6. serhiy-storchaka
    added a commit that references this issue on Jul 25, 2023

    [3.11] pythongh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-o…

    c1d4f11
  7. serhiy-storchaka
    added
    3.9 (EOL)end of lifeend of life
    3.8 (EOL)end of lifeend of life
    release-blocker
    on Jul 25, 2023
  8. serhiy-storchaka
    reopened this on Jul 25, 2023

  9. 1 remaining item

  10. github-project-automation
    moved this to Todo in Release and Deferred blockers 🚫on Jul 25, 2023

  11. serhiy-storchaka commented on Jul 25, 2023

    @serhiy-storchaka
    serhiy-storchaka
    on Jul 25, 2023
    MemberAuthor
    More actions

    Since this is a bug in the C API, I consider it as a security level fix.

  12. serhiy-storchaka
    added a commit that references this issue on Jul 25, 2023

    [3.11] gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only da…

    b8b3e6a
  13. miss-islington
    added a commit that references this issue on Jul 25, 2023

    [3.11] pythongh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-o…

    5b13e86
  14. serhiy-storchaka
    added a commit that references this issue on Jul 25, 2023

    [3.9] [3.11] pythongh-99612: Fix PyUnicode_DecodeUTF8Stateful() for A…

    f72f15d
  15. gpshead
    removed
    3.11only security fixesonly security fixes
    3.12only security fixesonly security fixes
    on Jul 26, 2023
  16. ambv
    added 2 commits that reference this issue on Aug 22, 2023

    [3.10] gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only da…

    1c937e5

    [3.9] gh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-only data (

    4a79328
  17. serhiy-storchaka
    removed
    3.8 (EOL)end of lifeend of life
    on Aug 23, 2023

  18. serhiy-storchaka commented on Aug 23, 2023

    @serhiy-storchaka
    serhiy-storchaka
    on Aug 23, 2023
    MemberAuthor
    More actions

    3.8 is not affected. The bug was introduced in 770847a (#81529).

  19. serhiy-storchaka
    closed this as completedon Aug 23, 2023
  20. github-project-automation
    moved this from Todo to Done in Release and Deferred blockers 🚫on Aug 23, 2023
  21. carlosroman
    added a commit that references this issue on Oct 11, 2023

    [3.9] pythongh-99612: Fix PyUnicode_DecodeUTF8Stateful() for ASCII-on…

    0bd646a
  22. netbsd-srcmastr
    added a commit that references this issue on Feb 20, 2024

    py-cbor2: updated to 5.6.2

    f2ebf29
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