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  1. Qt
  2. QTBUG-99775

Crash on QObject::objectName access when using QThreadPool from non-owning thread

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Details

    • Bug
    • Resolution: Fixed
    • P1: Critical
    • 6.2.4, 6.3.0 Beta1
    • 6.3.0 Alpha
    • Core: Threads
    • None
    • Linux/Wayland, Linux/X11

    Description

      Observed in Qt Creator.

      The crash comes in from the Qt Creator async run feature and from AutoTest plugin.

      It comes from a pool->start() call, and is triggered when an expired job-thread is restarted, causing a QThread::start() from a non-owning thread.

      Also in QThreadPool, it is noticed QThreadPoolPrivate::startThread() is also doing similar access that could be racy or crashy.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-96718 Crash in inBindingWrapper() (Creator built against Qt 6.2 build)

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-102403 QObject::objectName() leads to heap-use-after-free in tst_qquickanimations::cleanupWhenRenderThreadStops()

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              allan.jensen Allan Sandfeld Jensen
              allan.jensen Allan Sandfeld Jensen
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              Dates

                Created:
                Updated:
                Resolved:

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