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  1. Qt
  2. QTBUG-74008

Every 2-finger touchevent raises application crash

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Details

    • Windows
    • 042f2b67739439c020451843d887d131d5f9cbdc (qt/qtdeclarative/5.12)

    Description

      On my Windows system doing a 2-finger gesture (pinch) the appliction crashes.

      It seems pointById(touchMouseId) called by deliverPressOrReleaseEvent() returns a nullptr which has no guard

      Here ist the stack:

              Qt5Quickd.dll!QQuickEventPoint::grabberPointerHandler() Line 879	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::deliverPressOrReleaseEvent(QQuickPointerEvent * event, bool handlersOnly) Line 2530	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::deliverTouchEvent(QQuickPointerTouchEvent * event) Line 2435	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent * event) Line 2356	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::handleTouchEvent(QTouchEvent * event) Line 2136	C++
 	Qt5Quickd.dll!QQuickWindow::event(QEvent * e) Line 1597	C++
 	Qt5Cored.dll!QCoreApplicationPrivate::notify_helper(QObject * receiver, QEvent * event) Line 1220	C++
 	Qt5Cored.dll!doNotify(QObject * receiver, QEvent * event) Line 1150	C++
 	Qt5Cored.dll!QCoreApplication::notify(QObject * receiver, QEvent * event) Line 1137	C++
 	Qt5Guid.dll!QGuiApplication::notify(QObject * object, QEvent * event) Line 1792	C++
 	Qt5Cored.dll!QCoreApplication::notifyInternal2(QObject * receiver, QEvent * event) Line 1060	C++
 	Qt5Cored.dll!QCoreApplication::sendSpontaneousEvent(QObject * receiver, QEvent * event) Line 1463	C++
 	Qt5Guid.dll!QGuiApplicationPrivate::processTouchEvent(QWindowSystemInterfacePrivate::TouchEvent * e) Line 2866	C++
 	Qt5Guid.dll!QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent * e) Line 1847	C++
 	Qt5Guid.dll!QWindowSystemInterface::sendWindowSystemEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 1077	C++
 	qwindowsd.dll!QWindowsGuiEventDispatcher::sendPostedEvents() Line 83	C++
 	Qt5Cored.dll!qt_internal_proc(HWND__ * hwnd, unsigned int message, unsigned __int64 wp, __int64 lp) Line 247	C++
 	[External Code]	
 	Qt5Cored.dll!QEventDispatcherWin32::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 640	C++
 	qwindowsd.dll!QWindowsGuiEventDispatcher::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 74	C++
 	Qt5Cored.dll!QEventLoop::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 139	C++
 	Qt5Cored.dll!QEventLoop::exec(QFlags<enum QEventLoop::ProcessEventsFlag> flags) Line 225	C++
 	Qt5Cored.dll!QCoreApplication::exec() Line 1363	C++
 	Qt5Guid.dll!QGuiApplication::exec() Line 1780	C++

      Attachments

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-74743 Crash triggered by QQuickWindowPrivate::deliverPressOrReleaseEvent

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-73741 [REG 5.11-5.12.0] Android: crashes in QuickEventPoint::grabberItemEv

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-72893 [REG: 5.11.3->5.12.0] Random crash in QQuickEventPoint::grabberItem

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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-70998 [REG] Map + MouseArea double multi-touch problem

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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              smd Jan Arve
              seven_new Michael
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              Dates

                Created:
                Updated:
                Resolved:

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