0.96 Kali x64 XFCE Segfault

[magrif]

On Kali x64 XFCE, version 0.96;

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#~ xnview
qt5ct: using qt5ct plugin
Segmentation fault

Work with:

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#~ env QT_QPA_PLATFORMTHEME= xnview

[xnview]

with .deb?

[juozas]

Experiencing same crash running 0.96.1 on Ubuntu 20.04 (focal), upgraded from 18.04 (bionic), using latest x64 deb. Setting QT_QPA_PLATFORMTHEME back to gtk2 (editing /etc/X11/Xsession.d/56xubuntu-session) fixes the issue. Gdb crash log:

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juozas@xubuntu:/opt/XnView$ env LD_LIBRARY_PATH=/opt/XnView/lib QT_PLUGIN_PATH=/opt/XnView/lib gdb /opt/XnView/XnView 
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Reading symbols from /opt/XnView/XnView...
(No debugging symbols found in /opt/XnView/XnView)
(gdb) r
Starting program: /opt/XnView/XnView 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe6baa700 (LWP 10987)]
qt5ct: using qt5ct plugin

Thread 1 "XnView" received signal SIGSEGV, Segmentation fault.
0x00007ffff499f9a1 in qt_normalizePathSegments(QString const&, QFlags<QDirPrivate::PathNormalization>, bool*) () from /opt/XnView/lib/libQt5Core.so.5

Gdb backtrace (truncated)

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(gdb) bt
#0  0x00007ffff499f9a1 in qt_normalizePathSegments(QString const&, QFlags<QDirPrivate::PathNormalization>, bool*) () from /opt/XnView/lib/libQt5Core.so.5
#1  0x00007ffff49a00da in qt_cleanPath(QString const&, bool*) () from /opt/XnView/lib/libQt5Core.so.5
#2  0x00007ffff49a018b in QDir::cleanPath(QString const&) () from /opt/XnView/lib/libQt5Core.so.5
#3  0x00007ffff4a1c003 in QFileSystemEngine::homePath() () from /opt/XnView/lib/libQt5Core.so.5
#4  0x00007ffff499f819 in QDir::homePath() () from /opt/XnView/lib/libQt5Core.so.5
#5  0x00007ffff4a21490 in QStandardPaths::writableLocation(QStandardPaths::StandardLocation) () from /opt/XnView/lib/libQt5Core.so.5
#6  0x00007fffe5be1dd3 in Qt5CT::configPath() () from /opt/XnView/lib/styles/libqt5ct-style.so
#7  0x00007fffe5be1ede in Qt5CT::configFile() () from /opt/XnView/lib/styles/libqt5ct-style.so
#8  0x00007fffe5be157c in Qt5CTStylePlugin::create(QString const&) () from /opt/XnView/lib/styles/libqt5ct-style.so
#9  0x00007ffff66b1d31 in QStyleFactory::create(QString const&) () from /opt/XnView/lib/libQt5Widgets.so.5
#10 0x00007ffff66d7500 in QProxyStylePrivate::ensureBaseStyle() const () from /opt/XnView/lib/libQt5Widgets.so.5
#11 0x00007ffff66d7f95 in QProxyStyle::event(QEvent*) () from /opt/XnView/lib/libQt5Widgets.so.5
#12 0x00007ffff664592c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /opt/XnView/lib/libQt5Widgets.so.5
#13 0x00007ffff664cad0 in QApplication::notify(QObject*, QEvent*) () from /opt/XnView/lib/libQt5Widgets.so.5
#14 0x00007ffff4a76408 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /opt/XnView/lib/libQt5Core.so.5
#15 0x00007ffff4aa9635 in QObjectPrivate::setParent_helper(QObject*) () from /opt/XnView/lib/libQt5Core.so.5
#16 0x00007ffff66d736d in QProxyStylePrivate::ensureBaseStyle() const () from /opt/XnView/lib/libQt5Widgets.so.5
#17 0x00007ffff66d7f95 in QProxyStyle::event(QEvent*) () from /opt/XnView/lib/libQt5Widgets.so.5
#18 0x00007ffff664592c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /opt/XnView/lib/libQt5Widgets.so.5
#19 0x00007ffff664cad0 in QApplication::notify(QObject*, QEvent*) () from /opt/XnView/lib/libQt5Widgets.so.5
#20 0x00007ffff4a76408 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /opt/XnView/lib/libQt5Core.so.5
#21 0x00007ffff4aa9635 in QObjectPrivate::setParent_helper(QObject*) () from /opt/XnView/lib/libQt5Core.so.5
#22 0x00007ffff66d736d in QProxyStylePrivate::ensureBaseStyle() const () from /opt/XnView/lib/libQt5Widgets.so.5
#23 0x00007ffff66d7f95 in QProxyStyle::event(QEvent*) () from /opt/XnView/lib/libQt5Widgets.so.5
... (entries pointing to /opt/XnView/lib/libQt5Widgets.so.5, etc. infinitely repeating)