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  1. Qt
  2. QTBUG-130597

Crash on QTime::fromString() when build with ICU

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    • Icon: Bug Bug
    • Resolution: Duplicate
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    • None
    • 6.8.0
    • Core: Date/Time
    • None
    • ICU feature enabled Qt 6.8.0 (from MSYS2 repo)
    • Windows

      Simply `QTime::fromString("00:00.000", "m:s.zz")` will crash the program if building with icu-enabled Qt 6.8 (e.g. MSYS2 repo's Qt).

      See https://github.com/msys2/MINGW-packages/issues/22308 for detailed reproduce steps.

      The following is the call stack, seems we have infinite recursion which caused stack overflow:

      QIcuTimeZonePrivate::data -> QTimeZonePrivate::abbreviation -> QTimeZonePrivate::displayName -> QIcuTimeZonePrivate::data -> ...

      The attachment is the same reproducible test program, but remember you need to test against a ICU-enabled Qt. Using MSYS2's Qt would be enough.

        1. qtminbuild.zip
          0.7 kB
        2. image-2024-10-26-19-00-04-379.png
          image-2024-10-26-19-00-04-379.png
          120 kB
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            Eddy Edward Welbourne
            blumia Gary Wang
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              Created:
              Updated:
              Resolved:

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