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  1. Qt
  2. QTBUG-65926

QML SignalTransition crashes if signal emitted from thread during object destruction

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    • d36c21aa8f48aed7775a6a047197b6f6f9055430 (qt/tqtc-qtbase/5.15)

      If a QML StateMachine SignalTransition is connected to a signal from a QObject, and that object emits that signal from a QtConcurrent::run thread while in the object's destructor, then there is a crash in QSignalEventEmitter.

      I've attached a small example demonstrating the problem (it's a little more clear from the code)

        1. qtbug65926_signalcrash.zip
          1 kB
          Zachary Capalbo
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            fabiankosmale Fabian Kosmale
            zcapalbo Zachary Capalbo
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