Bug 351705

Summary:	KRDC crashed when remote Mac closed connection
Product:	[Applications] krdc	Reporter:	mike0042
Component:	general	Assignee:	Urs Wolfer <uwolfer>
Status:	RESOLVED FIXED
Severity:	crash	Keywords:	drkonqi
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description mike0042 2015-08-24 18:59:38 UTC

Application: krdc (4.14.6)
KDE Platform Version: 4.14.9
Qt Version: 4.8.6
Operating System: Linux 3.16.7-24-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

Had an active screen sharing session with my MacBook Pro when I restarted to install updates on the Mac.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KRDC (krdc), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9783e50800 (LWP 2516))]

Thread 2 (Thread 0x7f976dc51700 (LWP 2517)):
#0  0x00007f977fdd6c5d in poll () at /lib64/libc.so.6
#1  0x00007f977cf9dbe4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f977cf9dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f9781fd20de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f9781fa3e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f9781fa4165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f9781ea10bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f9781f85783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f9781ea379f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f977e4aa0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f977fddf08d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f9783e50800 (LWP 2516)):
[KCrash Handler]
#5  0x00007f977fd89e40 in __memcpy_sse2_unaligned () at /lib64/libc.so.6
#6  0x00007f9780b4a3b6 in  () at /usr/lib64/libQtGui.so.4
#7  0x00007f9780c11670 in  () at /usr/lib64/libQtGui.so.4
#8  0x00007f9780b9f740 in QPainter::drawImage(QRectF const&, QImage const&, QRectF const&, QFlags<Qt::ImageConversionFlag>) () at /usr/lib64/libQtGui.so.4
#9  0x00007f976f57bec8 in  () at /usr/lib64/kde4/krdc_vncplugin.so
#10 0x00007f9780aa69f0 in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#11 0x00007f9780a5776c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#12 0x00007f9780a5dcad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#13 0x00007f9781776e0a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#14 0x00007f9781fa52ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#15 0x00007f9780aa1111 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#16 0x00007f9780c5fc7a in  () at /usr/lib64/libQtGui.so.4
#17 0x00007f9780a965c0 in QWidgetPrivate::syncBackingStore() () at /usr/lib64/libQtGui.so.4
#18 0x00007f9780aa656a in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#19 0x00007f9780e5c0b3 in QMainWindow::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#20 0x00007f9781862979 in KXmlGuiWindow::event(QEvent*) () at /usr/lib64/libkdeui.so.5
#21 0x00007f9780a5776c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#22 0x00007f9780a5dcad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#23 0x00007f9781776e0a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#24 0x00007f9781fa52ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#25 0x00007f9781fa857d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#26 0x00007f9781fd28fe in  () at /usr/lib64/libQtCore.so.4
#27 0x00007f977cf9da04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#28 0x00007f977cf9dc48 in  () at /usr/lib64/libglib-2.0.so.0
#29 0x00007f977cf9dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f9781fd20be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#31 0x00007f9780af4676 in  () at /usr/lib64/libQtGui.so.4
#32 0x00007f9781fa3e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#33 0x00007f9781fa4165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#34 0x00007f9780ef9d1c in QDialog::exec() () at /usr/lib64/libQtGui.so.4
#35 0x00007f97816ea5a2 in KMessageBox::createKMessageBox(KDialog*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) () at /usr/lib64/libkdeui.so.5
#36 0x00007f97816ea7e1 in KMessageBox::createKMessageBox(KDialog*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () at /usr/lib64/libkdeui.so.5
#37 0x00007f97816ea9ee in KMessageBox::errorListWId(unsigned long, QString const&, QStringList const&, QString const&, QFlags<KMessageBox::Option>) () at /usr/lib64/libkdeui.so.5
#38 0x00007f97816eaafa in KMessageBox::error(QWidget*, QString const&, QString const&, QFlags<KMessageBox::Option>) () at /usr/lib64/libkdeui.so.5
#39 0x00007f976f57a4ba in  () at /usr/lib64/kde4/krdc_vncplugin.so
#40 0x00007f9781fb91fa in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#41 0x00007f976f576885 in  () at /usr/lib64/kde4/krdc_vncplugin.so
#42 0x00007f976f576915 in  () at /usr/lib64/kde4/krdc_vncplugin.so
#43 0x00007f9781fb91fa in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#44 0x00007f9781fbd3b1 in QObject::event(QEvent*) () at /usr/lib64/libQtCore.so.4
#45 0x00007f9780a5776c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#46 0x00007f9780a5dcad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#47 0x00007f9781776e0a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#48 0x00007f9781fa52ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#49 0x00007f9781fd4cbc in  () at /usr/lib64/libQtCore.so.4
#50 0x00007f9781fd1f39 in  () at /usr/lib64/libQtCore.so.4
#51 0x00007f977cf9da04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#52 0x00007f977cf9dc48 in  () at /usr/lib64/libglib-2.0.so.0
#53 0x00007f977cf9dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#54 0x00007f9781fd20be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#55 0x00007f9780af4676 in  () at /usr/lib64/libQtGui.so.4
#56 0x00007f9781fa3e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#57 0x00007f9781fa4165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#58 0x00007f9781fa95b9 in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#59 0x0000000000416f18 in  ()
#60 0x00007f977fd1bb05 in __libc_start_main () at /lib64/libc.so.6
#61 0x0000000000417164 in _start ()

Reported using DrKonqi

Comment 1 Andrew Crouthamel 2018-10-31 04:01:28 UTC

Dear Bug Submitter,

This bug has been stagnant for a long time. Could you help us out and re-test if the bug is valid in the latest version? I am setting the status to NEEDSINFO pending your response, please change the Status back to REPORTED when you respond.

Thank you for helping us make KDE software even better for everyone!