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[Bug 1521138] [NEW] unity8 crashes when closing (as app inside unity7)

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Public bug reported:

Runing builddir/src/unity8 and closing it crashes for me.

gdb trace

(gdb) bt
#0  0x0000000000000000 in  ()
#1  0x00007ffff7191c41 in QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*) (e=0x1d85790) at kernel/qguiapplication.cpp:1938
#2  0x00007ffff71920ed in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (e=e@entry=0x1d85790) at kernel/qguiapplication.cpp:1597
#3  0x00007ffff71775b8 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=...) at kernel/qwindowsysteminterface.cpp:572
#4  0x00007fffee36f250 in userEventSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#5  0x00007ffff3e65117 in g_main_context_dispatch (context=0x7fffe40016f0) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3154
#6  0x00007ffff3e65117 in g_main_context_dispatch (context=context@entry=0x7fffe40016f0) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3769
#7  0x00007ffff3e65370 in g_main_context_iterate (context=context@entry=0x7fffe40016f0, block=block@entry=0, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3840
#8  0x00007ffff3e6541c in g_main_context_iteration (context=0x7fffe40016f0, may_block=may_block@entry=0) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3901
#9  0x00007ffff6ab227f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x733220, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#10 0x00007fffbdde862b in QLightDM::GreeterImpl::cancelPam() (this=0x6999b0) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:266
#11 0x00007fffbdde7774 in QLightDM::GreeterImpl::~GreeterImpl() (this=0x6999b0, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:65
#12 0x00007fffbdde77d0 in QLightDM::GreeterImpl::~GreeterImpl() (this=0x6999b0, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:66
#13 0x00007ffff6a89d2b in QObjectPrivate::deleteChildren() (this=this@entry=0xd9ab80) at kernel/qobject.cpp:1950
#14 0x00007ffff6a93620 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#15 0x00007fffbdde47cc in QLightDM::Greeter::~Greeter() (this=0xe9be80, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/Greeter.cpp:40
#16 0x00007fffbdde47fc in QLightDM::Greeter::~Greeter() (this=0xe9be80, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/Greeter.cpp:42
#17 0x00007ffff6a89d2b in QObjectPrivate::deleteChildren() (this=this@entry=0xeca0d0) at kernel/qobject.cpp:1950
#18 0x00007ffff6a93620 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#19 0x00007fffbdde460a in Greeter::~Greeter() (this=0xeacb30, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/builddir/plugins/IntegratedLightDM/../../../plugins/IntegratedLightDM/Greeter.h:33
#20 0x00007fffbdde463a in Greeter::~Greeter() (this=0xeacb30, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/builddir/plugins/IntegratedLightDM/../../../plugins/IntegratedLightDM/Greeter.h:33
#21 0x00007ffff6eecd82 in QQmlType::SingletonInstanceInfo::destroy(QQmlEngine*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007ffff6ec39e0 in QQmlEngine::~QQmlEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007ffff6ec3b09 in QQmlEngine::~QQmlEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x000000000040f074 in ShellApplication::destroyResources() (this=0x63a0e0) at /home/tsdgeos_work/phablet/unity8/unity8/src/ShellApplication.cpp:140
#25 0x000000000040883c in main(int, char const**) (argc=1, argv=0x7fffffffdbb8) at /home/tsdgeos_work/phablet/unity8/unity8/src/main.cpp:32


Valgrind trace

==30432== Invalid read of size 8
==30432==    at 0x5718C30: QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*) (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
==30432==    by 0x57190EC: QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
==30432==    by 0x56FE5B7: QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
==30432==    by 0xEC9E24F: userEventSourceDispatch(_GSource*, int (*)(void*), void*) (in /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so)
==30432==    by 0x8B2F116: g_main_context_dispatch (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4700.1)
==30432==    by 0x8B2F36F: g_main_context_iterate.isra.29 (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4700.1)
==30432==    by 0x8B2F41B: g_main_context_iteration (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4700.1)
==30432==    by 0x625527E: QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
==30432==    by 0x2A7D362A: QLightDM::GreeterImpl::cancelPam() (GreeterPrivate.cpp:266)
==30432==    by 0x2A7D2773: QLightDM::GreeterImpl::~GreeterImpl() (GreeterPrivate.cpp:65)
==30432==    by 0x2A7D27CF: QLightDM::GreeterImpl::~GreeterImpl() (GreeterPrivate.cpp:66)
==30432==    by 0x622CD2A: QObjectPrivate::deleteChildren() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
==30432==    by 0x623661F: QObject::~QObject() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
==30432==    by 0x2A7CF7CB: QLightDM::Greeter::~Greeter() (Greeter.cpp:40)
==30432==    by 0x2A7CF7FB: QLightDM::Greeter::~Greeter() (Greeter.cpp:42)
==30432==    by 0x622CD2A: QObjectPrivate::deleteChildren() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
==30432==    by 0x623661F: QObject::~QObject() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
==30432==    by 0x2A7CF609: Greeter::~Greeter() (in /home/tsdgeos_work/phablet/unity8/unity8/builddir/plugins/IntegratedLightDM/libIntegratedLightDM-qml.so)
==30432==    by 0x2A7CF639: Greeter::~Greeter() (Greeter.h:33)
==30432==    by 0x5DC0D81: QQmlType::SingletonInstanceInfo::destroy(QQmlEngine*) (in /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5.4.2)
==30432==    by 0x5D979DF: QQmlEngine::~QQmlEngine() (in /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5.4.2)
==30432==    by 0x5D97B08: QQmlEngine::~QQmlEngine() (in /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5.4.2)
==30432==    by 0x40F073: ShellApplication::destroyResources() (ShellApplication.cpp:140)
==30432==    by 0x40883B: main (main.cpp:32)
==30432==  Address 0x1949cc00 is 0 bytes inside a block of size 40 free'd
==30432==    at 0x4C2D28B: operator delete(void*) (vg_replace_malloc.c:575)
==30432==    by 0x4166F5: ShellView::~ShellView() (ShellView.h:22)
==30432==    by 0x40EFCB: ShellApplication::destroyResources() (ShellApplication.cpp:131)
==30432==    by 0x40883B: main (main.cpp:32)
==30432==  Block was alloc'd at
==30432==    at 0x4C2C12F: operator new(unsigned long) (vg_replace_malloc.c:333)
==30432==    by 0x40EA3E: ShellApplication::ShellApplication(int&, char**, bool) (ShellApplication.cpp:81)
==30432==    by 0x408823: main (main.cpp:28)
==30432== 
==30432== Invalid read of size 4
==30432==    at 0x6361284: ??? (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
==30432==    by 0xFFEFFF47F: ???
==30432==    by 0xFFEFFF3FE: ???
==30432==    by 0x262551A4C44712FF: ???
==30432==    by 0x27D4: ???
==30432==    by 0x4: ???
==30432==  Address 0x1949cc6e is 2 bytes before a block of size 720 free'd
==30432==    at 0x4C2D28B: operator delete(void*) (vg_replace_malloc.c:575)
==30432==    by 0x6236667: QObject::~QObject() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
==30432==    by 0x571EA78: QWindow::~QWindow() (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
==30432==    by 0x53F38B0: QQuickWindow::~QQuickWindow() (qquickwindow.cpp:1102)
==30432==    by 0x4166B4: ShellView::~ShellView() (ShellView.h:22)
==30432==    by 0x4166E9: ShellView::~ShellView() (ShellView.h:22)
==30432==    by 0x40EFCB: ShellApplication::destroyResources() (ShellApplication.cpp:131)
==30432==    by 0x40883B: main (main.cpp:32)
==30432==  Block was alloc'd at
==30432==    at 0x4C2C12F: operator new(unsigned long) (vg_replace_malloc.c:333)
==30432==    by 0x549E70C: QQuickView::QQuickView(QQmlEngine*, QWindow*) (qquickview.cpp:211)
==30432==    by 0x413209: ShellView::ShellView(QQmlEngine*, QObject*) (ShellView.cpp:27)
==30432==    by 0x40EA62: ShellApplication::ShellApplication(int&, char**, bool) (ShellApplication.cpp:81)
==30432==    by 0x408823: main (main.cpp:28)

** Affects: unity8 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1521138

Title:
  unity8 crashes when closing (as app inside unity7)

Status in unity8 package in Ubuntu:
  New

Bug description:
  Runing builddir/src/unity8 and closing it crashes for me.

  gdb trace

  (gdb) bt
  #0  0x0000000000000000 in  ()
  #1  0x00007ffff7191c41 in QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*) (e=0x1d85790) at kernel/qguiapplication.cpp:1938
  #2  0x00007ffff71920ed in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (e=e@entry=0x1d85790) at kernel/qguiapplication.cpp:1597
  #3  0x00007ffff71775b8 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=...) at kernel/qwindowsysteminterface.cpp:572
  #4  0x00007fffee36f250 in userEventSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
  #5  0x00007ffff3e65117 in g_main_context_dispatch (context=0x7fffe40016f0) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3154
  #6  0x00007ffff3e65117 in g_main_context_dispatch (context=context@entry=0x7fffe40016f0) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3769
  #7  0x00007ffff3e65370 in g_main_context_iterate (context=context@entry=0x7fffe40016f0, block=block@entry=0, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3840
  #8  0x00007ffff3e6541c in g_main_context_iteration (context=0x7fffe40016f0, may_block=may_block@entry=0) at /build/glib2.0-ZjeN9o/glib2.0-2.47.1/./glib/gmain.c:3901
  #9  0x00007ffff6ab227f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x733220, flags=...) at kernel/qeventdispatcher_glib.cpp:418
  #10 0x00007fffbdde862b in QLightDM::GreeterImpl::cancelPam() (this=0x6999b0) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:266
  #11 0x00007fffbdde7774 in QLightDM::GreeterImpl::~GreeterImpl() (this=0x6999b0, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:65
  #12 0x00007fffbdde77d0 in QLightDM::GreeterImpl::~GreeterImpl() (this=0x6999b0, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/GreeterPrivate.cpp:66
  #13 0x00007ffff6a89d2b in QObjectPrivate::deleteChildren() (this=this@entry=0xd9ab80) at kernel/qobject.cpp:1950
  #14 0x00007ffff6a93620 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
  #15 0x00007fffbdde47cc in QLightDM::Greeter::~Greeter() (this=0xe9be80, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/Greeter.cpp:40
  #16 0x00007fffbdde47fc in QLightDM::Greeter::~Greeter() (this=0xe9be80, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/plugins/IntegratedLightDM/liblightdm/Greeter.cpp:42
  #17 0x00007ffff6a89d2b in QObjectPrivate::deleteChildren() (this=this@entry=0xeca0d0) at kernel/qobject.cpp:1950
  #18 0x00007ffff6a93620 in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
  #19 0x00007fffbdde460a in Greeter::~Greeter() (this=0xeacb30, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/builddir/plugins/IntegratedLightDM/../../../plugins/IntegratedLightDM/Greeter.h:33
  #20 0x00007fffbdde463a in Greeter::~Greeter() (this=0xeacb30, __in_chrg=<optimized out>) at /home/tsdgeos_work/phablet/unity8/unity8/builddir/plugins/IntegratedLightDM/../../../plugins/IntegratedLightDM/Greeter.h:33
  #21 0x00007ffff6eecd82 in QQmlType::SingletonInstanceInfo::destroy(QQmlEngine*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
  #22 0x00007ffff6ec39e0 in QQmlEngine::~QQmlEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
  #23 0x00007ffff6ec3b09 in QQmlEngine::~QQmlEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
  #24 0x000000000040f074 in ShellApplication::destroyResources() (this=0x63a0e0) at /home/tsdgeos_work/phablet/unity8/unity8/src/ShellApplication.cpp:140
  #25 0x000000000040883c in main(int, char const**) (argc=1, argv=0x7fffffffdbb8) at /home/tsdgeos_work/phablet/unity8/unity8/src/main.cpp:32

  
  Valgrind trace

  ==30432== Invalid read of size 8
  ==30432==    at 0x5718C30: QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*) (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
  ==30432==    by 0x57190EC: QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
  ==30432==    by 0x56FE5B7: QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
  ==30432==    by 0xEC9E24F: userEventSourceDispatch(_GSource*, int (*)(void*), void*) (in /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so)
  ==30432==    by 0x8B2F116: g_main_context_dispatch (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4700.1)
  ==30432==    by 0x8B2F36F: g_main_context_iterate.isra.29 (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4700.1)
  ==30432==    by 0x8B2F41B: g_main_context_iteration (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4700.1)
  ==30432==    by 0x625527E: QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
  ==30432==    by 0x2A7D362A: QLightDM::GreeterImpl::cancelPam() (GreeterPrivate.cpp:266)
  ==30432==    by 0x2A7D2773: QLightDM::GreeterImpl::~GreeterImpl() (GreeterPrivate.cpp:65)
  ==30432==    by 0x2A7D27CF: QLightDM::GreeterImpl::~GreeterImpl() (GreeterPrivate.cpp:66)
  ==30432==    by 0x622CD2A: QObjectPrivate::deleteChildren() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
  ==30432==    by 0x623661F: QObject::~QObject() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
  ==30432==    by 0x2A7CF7CB: QLightDM::Greeter::~Greeter() (Greeter.cpp:40)
  ==30432==    by 0x2A7CF7FB: QLightDM::Greeter::~Greeter() (Greeter.cpp:42)
  ==30432==    by 0x622CD2A: QObjectPrivate::deleteChildren() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
  ==30432==    by 0x623661F: QObject::~QObject() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
  ==30432==    by 0x2A7CF609: Greeter::~Greeter() (in /home/tsdgeos_work/phablet/unity8/unity8/builddir/plugins/IntegratedLightDM/libIntegratedLightDM-qml.so)
  ==30432==    by 0x2A7CF639: Greeter::~Greeter() (Greeter.h:33)
  ==30432==    by 0x5DC0D81: QQmlType::SingletonInstanceInfo::destroy(QQmlEngine*) (in /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5.4.2)
  ==30432==    by 0x5D979DF: QQmlEngine::~QQmlEngine() (in /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5.4.2)
  ==30432==    by 0x5D97B08: QQmlEngine::~QQmlEngine() (in /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5.4.2)
  ==30432==    by 0x40F073: ShellApplication::destroyResources() (ShellApplication.cpp:140)
  ==30432==    by 0x40883B: main (main.cpp:32)
  ==30432==  Address 0x1949cc00 is 0 bytes inside a block of size 40 free'd
  ==30432==    at 0x4C2D28B: operator delete(void*) (vg_replace_malloc.c:575)
  ==30432==    by 0x4166F5: ShellView::~ShellView() (ShellView.h:22)
  ==30432==    by 0x40EFCB: ShellApplication::destroyResources() (ShellApplication.cpp:131)
  ==30432==    by 0x40883B: main (main.cpp:32)
  ==30432==  Block was alloc'd at
  ==30432==    at 0x4C2C12F: operator new(unsigned long) (vg_replace_malloc.c:333)
  ==30432==    by 0x40EA3E: ShellApplication::ShellApplication(int&, char**, bool) (ShellApplication.cpp:81)
  ==30432==    by 0x408823: main (main.cpp:28)
  ==30432== 
  ==30432== Invalid read of size 4
  ==30432==    at 0x6361284: ??? (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
  ==30432==    by 0xFFEFFF47F: ???
  ==30432==    by 0xFFEFFF3FE: ???
  ==30432==    by 0x262551A4C44712FF: ???
  ==30432==    by 0x27D4: ???
  ==30432==    by 0x4: ???
  ==30432==  Address 0x1949cc6e is 2 bytes before a block of size 720 free'd
  ==30432==    at 0x4C2D28B: operator delete(void*) (vg_replace_malloc.c:575)
  ==30432==    by 0x6236667: QObject::~QObject() (in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.2)
  ==30432==    by 0x571EA78: QWindow::~QWindow() (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.4.2)
  ==30432==    by 0x53F38B0: QQuickWindow::~QQuickWindow() (qquickwindow.cpp:1102)
  ==30432==    by 0x4166B4: ShellView::~ShellView() (ShellView.h:22)
  ==30432==    by 0x4166E9: ShellView::~ShellView() (ShellView.h:22)
  ==30432==    by 0x40EFCB: ShellApplication::destroyResources() (ShellApplication.cpp:131)
  ==30432==    by 0x40883B: main (main.cpp:32)
  ==30432==  Block was alloc'd at
  ==30432==    at 0x4C2C12F: operator new(unsigned long) (vg_replace_malloc.c:333)
  ==30432==    by 0x549E70C: QQuickView::QQuickView(QQmlEngine*, QWindow*) (qquickview.cpp:211)
  ==30432==    by 0x413209: ShellView::ShellView(QQmlEngine*, QObject*) (ShellView.cpp:27)
  ==30432==    by 0x40EA62: ShellApplication::ShellApplication(int&, char**, bool) (ShellApplication.cpp:81)
  ==30432==    by 0x408823: main (main.cpp:28)

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