https://bugs.kde.org/show_bug.cgi?id=515619
Bug ID: 515619
Summary: Qt6: Fetching News crashes on Windows
Classification: Applications
Product: krita
Version First 6.0.0-beta1
Reported In:
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Keywords: regression
Severity: crash
Priority: NOR
Component: General
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
The News widget crashes Krita on startup if fetching news is enabled.
It only happens on Windows Qt6. From https://doc.qt.io/qt-6/qtimezone.html:
> Note: When Qt is built with the ICU library, it is used in preference to the
> Windows system APIs, bypassing all problems with those APIs using different
> names.
The backtrace shows this:
> frame #17: 0x00007ffde81a80c2 Qt6Core.dll`QIcuTimeZonePrivate::data(long
> long) const + 130
> frame #18: 0x00007ffde819ed8f
> Qt6Core.dll`QTimeZonePrivate::displayName(long long, QTimeZone::NameType,
> QLocale const&) const + 79
> frame #19: 0x00007ffde819f20e
> Qt6Core.dll`QTimeZonePrivate::abbreviation(long long) const + 94
> frame #20: 0x00007ffde81a812d Qt6Core.dll`QIcuTimeZonePrivate::data(long
> long) const + 237
> ... (looping)
> frame #7074: 0x00007ffde819ed8f
> Qt6Core.dll`QTimeZonePrivate::displayName(long long, QTimeZone::NameType,
> QLocale const&) const + 79
> frame #7075: 0x00007ffde819f20e
> Qt6Core.dll`QTimeZonePrivate::abbreviation(long long) const + 94
> frame #7076: 0x00007ffde81a812d Qt6Core.dll`QIcuTimeZonePrivate::data(long
> long) const + 237
It appears to be a Qt bug fixed by the change "Avoid infinite recurision in
time-zone abbreviation look-up with ICU"
https://codereview.qt-project.org/c/qt/qtbase/+/596973/3
Which is in 6.8.3 (35a82236) and 6.9.2 (f38c0fd3).
STEPS TO REPRODUCE
Open Krita with News enabled.
OBSERVED RESULT
Crashes on loading main window.
EXPECTED RESULT
Doesn't crash, shows news.
SOFTWARE/OS VERSIONS
Krita 6.0.0-beta1 (per K-A; the backtrace is from a build around March 2025,
but should be the same.)
ADDITIONAL INFORMATION
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