https://bugs.kde.org/show_bug.cgi?id=527573
Bug ID: 527573
Summary: SIGSEGV in KirigamiAppDefaults::load() causes by a
dangling reference
Classification: Frameworks and Libraries
Product: kirigami-addons
Version First 1.15.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
The effecting code:
https://invent.kde.org/libraries/kirigami-addons/-/blob/902c8d07d8e7332e6306bba2ac96e951921eef53/src/app/kirigamiappdefaults.cpp#L119-124
The string list `qmlErrors` is freed after `KirigamiAppDefaults::load()`
returns but the lambda referencing the string list is still alive after that
point. Any warning emitted by `QQmlApplicationEngine` will crash the
application due to a dangling reference.
Perhaps storing a `QMetaObject::Connection` to disconnecting later just before
returning is best.
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