crash trying to convert ALAC files

[Be-ing]

This crash occurs when I try to select ALAC files for converting to FLAC. The ALAC files were created by iTunes' CD ripper.

Using SoundKonverter 2.2.2 on Fedora 25 with Qt 5.7.1

Application: soundKonverter (soundkonverter), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
84	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fb699263940 (LWP 26059))]

Thread 2 (Thread 0x7fb676baa700 (LWP 26067)):
#0  0x00007fb69430601d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb68fea4166 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7fb670003410, timeout=<optimized out>, context=0x7fb6700009a0) at gmain.c:4228
#2  0x00007fb68fea4166 in g_main_context_iterate (context=context@entry=0x7fb6700009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
#3  0x00007fb68fea427c in g_main_context_iteration (context=0x7fb6700009a0, may_block=may_block@entry=1) at gmain.c:3990
#4  0x00007fb69651c45e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb6700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#5  0x00007fb6964ea7bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb676ba9c40, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fb6964eab25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb676ba9c40, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fb6963d9af9 in QThread::exec() (this=this@entry=0x55e17ef96390) at thread/qthread.cpp:538
#8  0x00007fb6964ca613 in QInotifyFileSystemWatcherEngine::run() (this=0x55e17ef96390) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007fb6963dc3ca in QThreadPrivate::start(void*) (arg=0x55e17ef96390) at thread/qthread_unix.cpp:352
#10 0x00007fb69613d6ca in start_thread (arg=0x7fb676baa700) at pthread_create.c:333
#11 0x00007fb694311f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7fb699263940 (LWP 26059)):
[KCrash Handler]
#6  0x00007fb6964254a3 in QString::operator==(QLatin1String const&) const (this=this@entry=0x55e17ea657c8, other=...) at tools/qstring.cpp:2204
#7  0x000055e17d1f6e20 in qStringComparisonHelper(QString const&, char const*) (s2=<optimized out>, s1=...) at /usr/include/QtCore/qstring.h:921
#8  0x000055e17d1f6e20 in QByteArray::operator==(QString const&) const (s=..., this=0x7ffc181c7040) at /usr/include/QtCore/qstring.h:982
#9  0x000055e17d1f6e20 in PluginLoader::getCodecFromM4aFile(QFile*) (this=this@entry=0x55e17ea9f1b0, file=file@entry=0x7ffc181c7130) at /usr/src/debug/soundkonverter-2.2.2/src/pluginloader.cpp:747
#10 0x000055e17d201eb1 in PluginLoader::getCodecFromFile(KUrl const&, QString*, bool) (this=0x55e17ea9f1b0, filename=..., mimeType=mimeType@entry=0x0, checkM4a=checkM4a@entry=true) at /usr/src/debug/soundkonverter-2.2.2/src/pluginloader.cpp:822
#11 0x000055e17d1e0c96 in FileList::listDir(QString const&, QStringList const&, bool, int, int) (this=this@entry=0x55e17ebc0a70, directory=..., filter=..., recursive=recursive@entry=true, conversionOptionsId=conversionOptionsId@entry=0, count=97, count@entry=96) at /usr/src/debug/soundkonverter-2.2.2/src/filelist.cpp:309
#12 0x000055e17d1e0b80 in FileList::listDir(QString const&, QStringList const&, bool, int, int) (this=this@entry=0x55e17ebc0a70, directory=..., filter=..., recursive=recursive@entry=true, conversionOptionsId=conversionOptionsId@entry=0, count=count@entry=96) at /usr/src/debug/soundkonverter-2.2.2/src/filelist.cpp:303
#13 0x000055e17d1e0b80 in FileList::listDir(QString const&, QStringList const&, bool, int, int) (this=this@entry=0x55e17ebc0a70, directory=..., filter=..., recursive=recursive@entry=true, conversionOptionsId=conversionOptionsId@entry=0, count=96, count@entry=0) at /usr/src/debug/soundkonverter-2.2.2/src/filelist.cpp:303
#14 0x000055e17d1e10aa in FileList::addDir(KUrl const&, bool, QStringList const&, ConversionOptions*) (this=0x55e17ebc0a70, directory=..., recursive=<optimized out>, codecList=..., conversionOptions=<optimized out>) at /usr/src/debug/soundkonverter-2.2.2/src/filelist.cpp:455
#15 0x000055e17d16cc0b in FileList::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x55e17ebc0a70, _id=<optimized out>, _a=0x7ffc181c77b0, _c=<optimized out>) at /usr/src/debug/soundkonverter-2.2.2/build/moc_filelist.cpp:159
#16 0x00007fb696500090 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55e17ee4d8c0, m=m@entry=0x55e17d4344c0 <DirOpener::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc181c77b0) at kernel/qobject.cpp:3567
#17 0x000055e17d16d7f1 in DirOpener::open(KUrl const&, bool, QStringList const&, ConversionOptions*) (this=this@entry=0x55e17ee4d8c0, _t1=..., _t2=<optimized out>, _t3=..., _t4=<optimized out>) at /usr/src/debug/soundkonverter-2.2.2/build/moc_diropener.cpp:117
#18 0x000055e17d19088a in DirOpener::addClicked() (this=0x55e17ee4d8c0) at /usr/src/debug/soundkonverter-2.2.2/src/opener/diropener.cpp:218
#19 0x000055e17d16aaed in DirOpener::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at /usr/src/debug/soundkonverter-2.2.2/build/moc_diropener.cpp:65
#20 0x00007fb696500090 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55e17ee4d8c0, m=m@entry=0x7fb697ba1680 <KDialog::staticMetaObject>, local_signal_index=local_signal_index@entry=9, argv=argv@entry=0x0) at kernel/qobject.cpp:3567
#21 0x00007fb6976d5473 in KDialog::okClicked() (this=this@entry=0x55e17ee4d8c0) at /usr/src/debug/kdelibs-4.14.30/x86_64-redhat-linux-gnu/kdeui/kdialog.moc:271
#22 0x00007fb6976d5be8 in KDialog::slotButtonClicked(int) (this=0x55e17ee4d8c0, button=4) at /usr/src/debug/kdelibs-4.14.30/kdeui/dialogs/kdialog.cpp:884
#23 0x00007fb6976d768f in KDialog::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at /usr/src/debug/kdelibs-4.14.30/x86_64-redhat-linux-gnu/kdeui/kdialog.moc:166
#24 0x00007fb696500090 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55e17ee46c70, m=m@entry=0x7fb69684da80 <QSignalMapper::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc181c7b20) at kernel/qobject.cpp:3567
#25 0x00007fb69650919e in QSignalMapper::mapped(int) (this=this@entry=0x55e17ee46c70, _t1=<optimized out>) at .moc/release-shared/moc_qsignalmapper.cpp:114
#26 0x00007fb696509324 in QSignalMapper::map(QObject*) (this=0x55e17ee46c70, sender=0x55e17ee4bff0) at kernel/qsignalmapper.cpp:266
#27 0x00007fb696500090 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55e17ee4bff0, m=m@entry=0x7fb696114900 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffc181c7c70) at kernel/qobject.cpp:3567
#28 0x00007fb695ca0622 in QAbstractButton::clicked(bool) (this=this@entry=0x55e17ee4bff0, _t1=<optimized out>) at .moc/release-shared/moc_qabstractbutton.cpp:219
#29 0x00007fb6959d70f3 in QAbstractButtonPrivate::emitClicked() (this=this@entry=0x55e17efe0280) at widgets/qabstractbutton.cpp:548
#30 0x00007fb6959d8504 in QAbstractButtonPrivate::click() (this=this@entry=0x55e17efe0280) at widgets/qabstractbutton.cpp:541
#31 0x00007fb6959d8614 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) (this=0x55e17ee4bff0, e=0x7ffc181c81f0) at widgets/qabstractbutton.cpp:1123
#32 0x00007fb695659710 in QWidget::event(QEvent*) (this=0x55e17ee4bff0, event=0x7ffc181c81f0) at kernel/qwidget.cpp:8775
#33 0x00007fb695602ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=0x55e17e9497c0, receiver=0x55e17ee4bff0, e=0x7ffc181c81f0) at kernel/qapplication.cpp:4565
#34 0x00007fb69560b547 in QApplication::notify(QObject*, QEvent*) (this=this@entry=0x7ffc181c9aa0, receiver=receiver@entry=0x55e17ee4bff0, e=e@entry=0x7ffc181c81f0) at kernel/qapplication.cpp:4108
#35 0x00007fb697781cba in KApplication::notify(QObject*, QEvent*) (this=0x7ffc181c9aa0, receiver=0x55e17ee4bff0, event=0x7ffc181c81f0) at /usr/src/debug/kdelibs-4.14.30/kdeui/kernel/kapplication.cpp:311
#36 0x00007fb6964ebeed in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffc181c9aa0, receiver=0x55e17ee4bff0, event=0x7ffc181c81f0) at kernel/qcoreapplication.cpp:955
#37 0x00007fb69560956b in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) (receiver=0x55e17ee4bff0, event=0x7ffc181c81f0, alienWidget=0x55e17ee4bff0, nativeWidget=0x55e17ee34d00, buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#38 0x00007fb695683fe9 in QETWidget::translateMouseEvent(_XEvent const*) (this=0x55e17ee34d00, event=<optimized out>) at kernel/qapplication_x11.cpp:4546
#39 0x00007fb69568299c in QApplication::x11ProcessEvent(_XEvent*) (this=0x7ffc181c9aa0, event=event@entry=0x7ffc181c8550) at kernel/qapplication_x11.cpp:3663
#40 0x00007fb6956ab409 in x11EventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55e17e946880, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#41 0x00007fb68fea3e52 in g_main_dispatch (context=0x55e17e949b60) at gmain.c:3203
#42 0x00007fb68fea3e52 in g_main_context_dispatch (context=context@entry=0x55e17e949b60) at gmain.c:3856
#43 0x00007fb68fea41d0 in g_main_context_iterate (context=context@entry=0x55e17e949b60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3929
#44 0x00007fb68fea427c in g_main_context_iteration (context=0x55e17e949b60, may_block=may_block@entry=1) at gmain.c:3990
#45 0x00007fb69651c45e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55e17e908b00, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#46 0x00007fb6956ab5a6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#47 0x00007fb6964ea7bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc181c8940, flags=...) at kernel/qeventloop.cpp:149
#48 0x00007fb6964eab25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc181c8940, flags=...) at kernel/qeventloop.cpp:204
#49 0x00007fb695adf08c in QDialog::exec() (this=this@entry=0x55e17ee4d8c0) at dialogs/qdialog.cpp:562
#50 0x000055e17d1b4695 in soundKonverterView::showDirDialog() (this=0x55e17ebc1950) at /usr/src/debug/soundkonverter-2.2.2/src/soundkonverterview.cpp:199
#51 0x000055e17d1b69a5 in soundKonverterView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x55e17ebc1950, _id=<optimized out>, _a=0x7ffc181c8b50, _c=<optimized out>) at /usr/src/debug/soundkonverter-2.2.2/build/soundkonverterview.moc:117
#52 0x00007fb696500090 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55e17ed35550, m=m@entry=0x7fb6960f1820 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc181c8b50) at kernel/qobject.cpp:3567
#53 0x00007fb6955fd062 in QAction::triggered(bool) (this=this@entry=0x55e17ed35550, _t1=<optimized out>) at .moc/release-shared/moc_qaction.cpp:276
#54 0x00007fb6955fe3c3 in QAction::activate(QAction::ActionEvent) (this=this@entry=0x55e17ed35550, event=event@entry=QAction::Trigger) at kernel/qaction.cpp:1257
#55 0x00007fb695a58f5d in QMenuPrivate::activateCausedStack(QList<QPointer<QWidget> > const&, QAction*, QAction::ActionEvent, bool) (this=this@entry=0x55e17ed6eac0, causedStack=..., action=action@entry=0x55e17ed35550, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1037
#56 0x00007fb695a5d3c9 in QMenuPrivate::activateAction(QAction*, QAction::ActionEvent, bool) (this=0x55e17ed6eac0, action=0x55e17ed35550, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1129
#57 0x00007fb695a61137 in QMenu::mouseReleaseEvent(QMouseEvent*) (this=this@entry=0x55e17ed62680, e=e@entry=0x7ffc181c9280) at widgets/qmenu.cpp:2371
#58 0x00007fb69784b903 in KMenu::mouseReleaseEvent(QMouseEvent*) (this=0x55e17ed62680, e=0x7ffc181c9280) at /usr/src/debug/kdelibs-4.14.30/kdeui/widgets/kmenu.cpp:464
#59 0x00007fb695659710 in QWidget::event(QEvent*) (this=this@entry=0x55e17ed62680, event=event@entry=0x7ffc181c9280) at kernel/qwidget.cpp:8775
#60 0x00007fb695a6161b in QMenu::event(QEvent*) (this=0x55e17ed62680, e=0x7ffc181c9280) at widgets/qmenu.cpp:2480
#61 0x00007fb695602ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=0x55e17e9497c0, receiver=0x55e17ed62680, e=0x7ffc181c9280) at kernel/qapplication.cpp:4565
#62 0x00007fb69560b547 in QApplication::notify(QObject*, QEvent*) (this=this@entry=0x7ffc181c9aa0, receiver=receiver@entry=0x55e17ed62680, e=e@entry=0x7ffc181c9280) at kernel/qapplication.cpp:4108
#63 0x00007fb697781cba in KApplication::notify(QObject*, QEvent*) (this=0x7ffc181c9aa0, receiver=0x55e17ed62680, event=0x7ffc181c9280) at /usr/src/debug/kdelibs-4.14.30/kdeui/kernel/kapplication.cpp:311
#64 0x00007fb6964ebeed in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffc181c9aa0, receiver=0x55e17ed62680, event=0x7ffc181c9280) at kernel/qcoreapplication.cpp:955
#65 0x00007fb69560956b in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) (receiver=0x55e17ed62680, event=0x7ffc181c9280, alienWidget=0x0, nativeWidget=0x55e17ed62680, buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#66 0x00007fb69568426d in QETWidget::translateMouseEvent(_XEvent const*) (this=0x55e17ed62680, event=<optimized out>) at kernel/qapplication_x11.cpp:4480
#67 0x00007fb69568299c in QApplication::x11ProcessEvent(_XEvent*) (this=0x7ffc181c9aa0, event=event@entry=0x7ffc181c95b0) at kernel/qapplication_x11.cpp:3663
#68 0x00007fb6956ab409 in x11EventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55e17e946880, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#69 0x00007fb68fea3e52 in g_main_dispatch (context=0x55e17e949b60) at gmain.c:3203
#70 0x00007fb68fea3e52 in g_main_context_dispatch (context=context@entry=0x55e17e949b60) at gmain.c:3856
#71 0x00007fb68fea41d0 in g_main_context_iterate (context=context@entry=0x55e17e949b60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3929
#72 0x00007fb68fea427c in g_main_context_iteration (context=0x55e17e949b60, may_block=may_block@entry=1) at gmain.c:3990
#73 0x00007fb69651c45e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55e17e908b00, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#74 0x00007fb6956ab5a6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#75 0x00007fb6964ea7bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc181c9990, flags=...) at kernel/qeventloop.cpp:149
#76 0x00007fb6964eab25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc181c9990, flags=...) at kernel/qeventloop.cpp:204
#77 0x00007fb6964f0779 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1227
#78 0x000055e17d169aca in main(int, char**) (argc=1, argv=0x7ffc181c9be8) at /usr/src/debug/soundkonverter-2.2.2/src/main.cpp:54