https://bugs.kde.org/show_bug.cgi?id=430623
Bug ID: 430623
Summary: Crash whenever exiting .ora viewer in Konqueror
Product: konqueror
Version: unspecified
Platform: Slackware Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: konq-b...@kde.org
Reporter: teeem...@gmail.com
Target Milestone: ---
Every time I try to exit (the tree view of) an .ora file in Konqueror, it
crashes.
I have a few .ora files (creating a blank image in Krita and saving it as .ora
exhibits the bug; all other .ora files I tested were created by the same
artist). This is the first time I've ever opened an .ora file so don't know if
the bug is new. Konqueror shows its contents as a tree of files and I can view
them fine. But every time I try to navigate away to a different directory (e.g.
go up a dir, type in a different path, click a shortcut/favourite) it crashes.
I then restart Konqueror and find myself in the .ora again. However I can open
new tabs and use them. If I try opening another .ora file in one of those the
process repeats (except Konqueror so far doesn't remember that it was inside
the .ora when it crashed, restoring a slightly earlier state).
Steps to Reproduce:
1. Open .ora file
2. Navigate to another directory (eg. up a dir)
Application: konqueror (4.14.38)
KDE Platform Version: 4.14.38
Qt Version: 4.8.7
Operating System: Linux 5.4.70 x86_64
Distribution (Platform): Slackware Packages (Slackware64-current)
Here is the backtrace generated by the crash reporter (submission failed so
manually creating this bug):
Application: Konqueror (konqueror), signal: Segmentation fault
[KCrash Handler]
#6 0x00007fb441019170 in KXMLGUIFactory::removeClient(KXMLGUIClient*) () at
/usr/lib64/libkdeui.so.5
#7 0x00007fb43142e6c4 in () at /usr/lib64/kde4/arkpart.so
#8 0x00007fb43142e749 in () at /usr/lib64/kde4/arkpart.so
#9 0x00007fb434b3e2eb in () at /usr/lib64/libkdeinit4_konqueror.so
#10 0x00007fb434b3f156 in () at /usr/lib64/libkdeinit4_konqueror.so
#11 0x00007fb434b3f2e2 in () at /usr/lib64/libkdeinit4_konqueror.so
#12 0x00007fb434b84997 in () at /usr/lib64/libkdeinit4_konqueror.so
#13 0x00007fb434b86826 in () at /usr/lib64/libkdeinit4_konqueror.so
#14 0x00007fb434b4e90d in () at /usr/lib64/libkdeinit4_konqueror.so
#15 0x00007fb434b4eddb in () at /usr/lib64/libkdeinit4_konqueror.so
#16 0x00007fb434bb2608 in kdemain () at /usr/lib64/libkdeinit4_konqueror.so
#17 0x00000000004091d3 in ()
#18 0x000000000040a7da in ()
#19 0x000000000040af92 in ()
#20 0x00000000004067ce in ()
#21 0x00007fb43f3dbe5b in __libc_start_main () at /lib64/libc.so.6
#22 0x00000000004075ba in _start ()
[Inferior 1 (process 20068) detached]
I tries attaching gdb myself and got the same backtrace except with far more
frames above kdemain():
...
#10 0x00007fefe7eea8cd in () at /usr/lib64/libkdeinit4_konqueror.so
#11 0x00007fefe59534e5 in QObject::event(QEvent*) () at
/usr/lib64/libQtCore.so.4
#12 0x00007fefe645a826 in QWidget::event(QEvent*) () at
/usr/lib64/libQtGui.so.4
#13 0x00007fefe67e8d9c in QMainWindow::event(QEvent*) () at
/usr/lib64/libQtGui.so.4
#14 0x00007fefe709f359 in KXmlGuiWindow::event(QEvent*) () at
/usr/lib64/libkdeui.so.5
#15 0x00007fefe7ee810c in () at /usr/lib64/libkdeinit4_konqueror.so
#16 0x00007fefe640b4ad in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQtGui.so.4
#17 0x00007fefe641190c in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQtGui.so.4
#18 0x00007fefe6fac35a in KApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libkdeui.so.5
#19 0x00007fefe593c03b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQtCore.so.4
#20 0x00007fefe593e810 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#21 0x00007fefe5966a3d in () at /usr/lib64/libQtCore.so.4
#22 0x00007fefe322aa1d in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#23 0x00007fefe322ac70 in () at /usr/lib64/libglib-2.0.so.0
#24 0x00007fefe322acff in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#25 0x00007fefe5966b74 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQtCore.so.4
#26 0x00007fefe64a4327 in () at /usr/lib64/libQtGui.so.4
#27 0x00007fefe593aa2f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQtCore.so.4
#28 0x00007fefe593ad06 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQtCore.so.4
#29 0x00007fefe593fa3a in QCoreApplication::exec() () at
/usr/lib64/libQtCore.so.4
#30 0x00007fefe7f08ff4 in kdemain () at /usr/lib64/libkdeinit4_konqueror.so
...
Disassembling, the crash is here:
[Function intro register pushing]
0x00007fefe70a913e <+14>: mov %rsi,0x8(%rsp)
0x00007fefe70a9143 <+19>: test %rsi,%rsi
0x00007fefe70a9146 <+22>: je 0x7fefe70a9158
<_ZN14KXMLGUIFactory12removeClientEP13KXMLGUIClient+40>
0x00007fefe70a9148 <+24>: mov %rdi,%rbp
0x00007fefe70a914b <+27>: mov %rsi,%rd
0x00007fefe70a914e <+30>: call 0x7fefe6ebe130
<_ZNK13KXMLGUIClient7factoryEv@plt>
0x00007fefe70a9153 <+35>: cmp %rax,%rbp
0x00007fefe70a9156 <+38>: je 0x7fefe70a9170
<_ZN14KXMLGUIFactory12removeClientEP13KXMLGUIClient+64>
...
=> 0x00007fefe70a9170 <+64>: mov 0x10(%rbp),%rdi
%rax and %rbp are 0.
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