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Possible memory leak on error path in _sys_getwindowsversion_from_kernel32 #133597

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Possible memory leak on error path in _sys_getwindowsversion_from_kernel32#133597
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interpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

Description

@sergey-miryanov
sergey-miryanov
opened on May 7, 2025

Bug report

Bug description:

If GetFileVersionInfoW or VerQueryValueW fails inside _sys_getwindowsversion_from_kernel32 then allocated verblock not freed.

CPython versions tested on:

CPython main branch

Operating systems tested on:

Windows

Linked PRs

Activity

  1. sergey-miryanov
    added
    type-bugAn unexpected behavior, bug, or error
    on May 7, 2025
  2. picnixz
    added
    interpreter-core(Objects, Python, Grammar, and Parser dirs)
    on May 7, 2025
  3. zooba
    added a commit that references this issue on May 8, 2025

    gh-133597: Fix memory leak if error occurred in _sys_getwindowsversio…

    0ec8fc8
  4. miss-islington
    added 2 commits that reference this issue on May 8, 2025

    pythongh-133597: Fix memory leak if error occurred in _sys_getwindows…

    59e1366

    pythongh-133597: Fix memory leak if error occurred in _sys_getwindows…

    a20ce09
  5. zooba
    added a commit that references this issue on May 8, 2025

    gh-133597: Fix memory leak if error occurred in _sys_getwindowsversio…

    e0aefbd
  6. zooba
    closed this as completedon May 8, 2025
  7. zooba
    added a commit that references this issue on May 8, 2025

    gh-133597: Fix memory leak if error occurred in _sys_getwindowsversio…

    caeb422
  8. Pranjal095
    added a commit that references this issue on Jul 12, 2025

    pythongh-133597: Fix memory leak if error occurred in _sys_getwindows…

    2a36f91
  9. taegyunkim
    added a commit that references this issue on Aug 4, 2025

    pythongh-133597: Fix memory leak if error occurred in _sys_getwindows…

    58b8b64
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