[k3b] [Bug 383000] K3B crashes from time to tiem

[Michael Lashkevich]

https://bugs.kde.org/show_bug.cgi?id=383000

--- Comment #8 from Michael Lashkevich <lashkevi at landau.ac.ru> ---
I added a -debuginfo package from Packmann repository. A crash appeared on
closing k3b this time.

(gdb) backtrace
#0  0x0000000a00000000 in  ()
#1  0x00007ffff1b98d84 in KFileMetaData::Extractor::~Extractor() () at
/usr/lib64/libKF5FileMetaData.so.3
#2  0x00007ffff1b98da9 in KFileMetaData::Extractor::~Extractor() () at
/usr/lib64/libKF5FileMetaData.so.3
#3  0x00007ffff1b9a41f in
KFileMetaData::ExtractorCollection::~ExtractorCollection() () at
/usr/lib64/libKF5FileMetaData.so.3
#4  0x00007ffff7a9936e in K3b::AudioDecoder::~AudioDecoder() (this=0x1a41c30,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/plugin/k3baudiodecoder.cpp:90
#5  0x00007ffff7a9936e in K3b::AudioDecoder::~AudioDecoder() (this=0xd90fa0,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/plugin/k3baudiodecoder.cpp:174
#6  0x00007fffcc8b5299 in K3bMadDecoder::~K3bMadDecoder() (this=0xd90fa0,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/plugins/decoder/mp3/k3bmaddecoder.cpp:95
#7  0x00007ffff7af6fc4 in
K3b::AudioDoc::decreaseDecoderUsage(K3b::AudioDecoder*) (this=<optimized out>,
decoder=0xd90fa0)
    at /usr/src/debug/k3b-17.04.3/libk3b/projects/audiocd/k3baudiodoc.cpp:1056
#8  0x00007ffff7afb592 in K3b::AudioFile::~AudioFile() (this=0x12b47b0,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/projects/audiocd/k3baudiofile.cpp:53
#9  0x00007ffff7afb5b9 in K3b::AudioFile::~AudioFile() (this=0x12b47b0,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/projects/audiocd/k3baudiofile.cpp:54
#10 0x00007ffff7aecf25 in K3b::AudioTrack::~AudioTrack() (this=0xaff1f0,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/projects/audiocd/k3baudiotrack.cpp:101
#11 0x00007ffff7aed059 in K3b::AudioTrack::~AudioTrack() (this=0xaff1f0,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/projects/audiocd/k3baudiotrack.cpp:106
#12 0x00007ffff7af31fe in K3b::AudioDoc::~AudioDoc() (this=0x11fab20,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/projects/audiocd/k3baudiodoc.cpp:101
#13 0x00007ffff7af3489 in K3b::AudioDoc::~AudioDoc() (this=0x11fab20,
__in_chrg=<optimized out>) at
/usr/src/debug/k3b-17.04.3/libk3b/projects/audiocd/k3baudiodoc.cpp:107
#14 0x00000000004867e4 in K3b::MainWindow::queryClose() (this=0xcb02b0) at
/usr/src/debug/k3b-17.04.3/src/k3b.cpp:886
#15 0x00007ffff5f90e74 in KMainWindow::closeEvent(QCloseEvent*) () at
/usr/lib64/libKF5XmlGui.so.5
#16 0x00007ffff3719c68 in QWidget::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#17 0x00007ffff382a0cb in QMainWindow::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#18 0x00007ffff5f91057 in KMainWindow::event(QEvent*) () at
/usr/lib64/libKF5XmlGui.so.5
#19 0x00007ffff5fcdc45 in KXmlGuiWindow::event(QEvent*) () at
/usr/lib64/libKF5XmlGui.so.5
#20 0x00007ffff36d7e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#21 0x00007ffff36dc49a in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#22 0x00007ffff274efd5 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#23 0x00007ffff3714fa9 in
QWidgetPrivate::close_helper(QWidgetPrivate::CloseMode) () at
/usr/lib64/libQt5Widgets.so.5
#24 0x00007ffff3731ea6 in  () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007ffff3734e53 in  () at /usr/lib64/libQt5Widgets.so.5
#26 0x00007ffff36d7e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#27 0x00007ffff36dc49a in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#28 0x00007ffff274efd5 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#29 0x00007ffff2f21e3c in
QGuiApplicationPrivate::processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent*)
() at /usr/lib64/libQt5Gui.so.5
#30 0x00007ffff2f25e35 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib64/libQt5Gui.so.5
#31 0x00007ffff2f07eeb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib64/libQt5Gui.so.5
#32 0x00007fffe1645bc0 in  () at /usr/lib64/libQt5XcbQpa.so.5
#33 0x00007fffec127134 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#34 0x00007fffec127388 in  () at /usr/lib64/libglib-2.0.so.0
#35 0x00007fffec12742c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#36 0x00007ffff279f31c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#37 0x00007ffff274cfeb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#38 0x00007ffff2754ed6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#39 0x0000000000465f25 in main(int, char**) (argc=1, argv=<optimized out>) at
/usr/src/debug/k3b-17.04.3/src/main.cpp:133

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