[Bug 303058] New: Crash when accepting second SSH Tube

David Edmundson kde at davidedmundson.co.uk
Thu Jul 5 12:51:37 BST 2012 

https://bugs.kde.org/show_bug.cgi?id=303058

            Bug ID: 303058
          Severity: crash
           Version: unspecified
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: Crash when accepting second SSH Tube
    Classification: Unclassified
                OS: Linux
          Reporter: kde at davidedmundson.co.uk
          Hardware: Ubuntu Packages
            Status: NEW
         Component: kded
           Product: kdelibs

Application: kded4 ($Id$)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
Other contact closed channel, whilst in the approver of the stream tubes.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KDE Dæmon (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb835699780 (LWP 4282))]

Thread 3 (Thread 0x7fb819ced700 (LWP 4288)):
#0  0x00007fb83023b578 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb8301ff729 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb8301fff1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb830200124 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb834322426 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fb8342f1c82 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fb8342f1ed7 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fb8341f0fa7 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fb8341f3fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fb8308c0e9a in start_thread (arg=0x7fb819ced700) at
pthread_create.c:308
#10 0x00007fb832edf4bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fb8194ec700 (LWP 4293)):
#0  0x00007fb8308c2f69 in __pthread_mutex_lock (mutex=0x7fb80c000a60) at
pthread_mutex_lock.c:92
#1  0x00007fb83023b561 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb8301ff729 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb8301fff1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb830200124 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb834322426 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fb8342f1c82 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fb8342f1ed7 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fb8341f0fa7 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fb8342d19ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fb8341f3fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007fb8308c0e9a in start_thread (arg=0x7fb8194ec700) at
pthread_create.c:308
#12 0x00007fb832edf4bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb835699780 (LWP 4282)):
[KCrash Handler]
#6  0x00007fb8342f64b4 in QCoreApplication::postEvent(QObject*, QEvent*, int)
() from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fb8092fdc26 in DispatchOperation::onChannelLost (this=0x2a7dc00,
channel=..., errorName=..., errorMessage=...) at
/home/david/telepathy/ktp-approver/src/dispatchoperation.cpp:59
#8  0x00007fb8092fdfaa in DispatchOperation::qt_static_metacall (_o=0x2a7dc00,
_c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff1b386240) at
/home/david/telepathy/ktp-approver/build/src/dispatchoperation.moc:58
#9  0x00007fb834307281 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fb808e1c37c in Tp::ChannelDispatchOperation::channelLost
(this=<optimized out>, _t1=..., _t2=..., _t3=...) at
/home/david/telepathy/telepathy-qt4/build/TelepathyQt/_gen/channel-dispatch-operation.moc.hpp:116
#11 0x00007fb808e1d2da in Tp::ChannelDispatchOperation::onChannelLost
(this=0x29469c0, channelObjectPath=..., errorName=..., errorMessage=...) at
/home/david/telepathy/telepathy-qt4/TelepathyQt/channel-dispatch-operation.cpp:603
#12 0x00007fb834307281 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007fb808e1c31c in
Tp::Client::ChannelDispatchOperationInterface::ChannelLost (this=<optimized
out>, _t1=..., _t2=..., _t3=...) at
/home/david/telepathy/telepathy-qt4/build/TelepathyQt/_gen/cli-channel-dispatch-operation.moc.hpp:130
#14 0x00007fb808e1d9a4 in
Tp::Client::ChannelDispatchOperationInterface::qt_static_metacall
(_o=0x29d7070, _c=<optimized out>, _id=0, _a=0x7fff1b386630) at
/home/david/telepathy/telepathy-qt4/build/TelepathyQt/_gen/cli-channel-dispatch-operation.moc.hpp:66
#15 0x00007fb808e1dbc0 in
Tp::Client::ChannelDispatchOperationInterface::qt_metacall (this=0x29d7070,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff1b386630) at
/home/david/telepathy/telepathy-qt4/build/TelepathyQt/_gen/cli-channel-dispatch-operation.moc.hpp:120
#16 0x00007fb83185e37b in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#17 0x00007fb83430c446 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007fb833675894 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#19 0x00007fb83367a713 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#20 0x00007fb835087bb6 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#21 0x00007fb8342f2e9c in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x00007fb8342f6c6a in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007fb834321f93 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x00007fb8301ffc9a in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fb830200060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fb830200124 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fb8343223bf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#28 0x00007fb83371dd5e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#29 0x00007fb8342f1c82 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#30 0x00007fb8342f1ed7 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007fb8342f6f67 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#32 0x00007fb820b82e55 in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#33 0x00000000004086a4 in _start ()

Reported using DrKonqi

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