Bug 352391

Summary: crash when exporting to facebook.com
Product: [Applications] digikam Reporter: Thomas Arend <thomas>
Component: Plugin-WebService-FacebookAssignee: Digikam Developers <digikam-bugs-null>
Status: RESOLVED FIXED    
Severity: crash CC: caulier.gilles, shouryasgupta
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In: 5.0.0
Sentry Crash Report:

Description Thomas Arend 2015-09-07 17:15:31 UTC 
Application: digikam (4.12.0)
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:
Digikam crashed  when exporting pictures t facebook.

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f76d20a1880 (LWP 3804))]

Thread 9 (Thread 0x7f76b12c0700 (LWP 3805)):
#0  0x00007f76cab5cffd in recvmsg () at /lib64/libc.so.6
#1  0x00007f76d2114fb9 in udev_monitor_receive_device () at /usr/lib64/libudev.so.1
#2  0x00007f76b1c3f2eb in  () at /usr/lib64/libusb-1.0.so.0
#3  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f76a68a8700 (LWP 3806)):
#0  0x00007f76c8aae05f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76cb63bc86 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00000000005e47ee in  ()
#3  0x00007f76cb63b79f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f76a60a7700 (LWP 3807)):
#0  0x00007f76cab53c5d in poll () at /lib64/libc.so.6
#1  0x00007f76c2be5be4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f76c2be5cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f76cb76a0de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f76cb73be6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f76cb73c165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f76cb6390bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f76cb71d783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f76cb63b79f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f76a58a6700 (LWP 3858)):
#0  0x00007f76c8aae05f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76cb63bc86 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f76cfe4dc9a in  () at /usr/lib64/libdigikamcore.so.4.12.0
#3  0x00007f76cb63b79f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f7638ff9700 (LWP 6782)):
#0  0x00007f76c8aae408 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76cb63bc64 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f76cb62f7ba in  () at /usr/lib64/libQtCore.so.4
#3  0x00007f76cb63b79f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f760affd700 (LWP 6870)):
#0  0x00007f76c8aae408 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76cb63bc64 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f76cb62f7ba in  () at /usr/lib64/libQtCore.so.4
#3  0x00007f76cb63b79f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f7689ffb700 (LWP 6871)):
#0  0x00007f76c8aae408 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76cb63bc64 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f76cb62f7ba in  () at /usr/lib64/libQtCore.so.4
#3  0x00007f76cb63b79f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f76697fa700 (LWP 6888)):
#0  0x00007f76c8aae05f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f76cb63bc86 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f76805d15cd in KIPIPlugins::KPRawThumbThread::run() () at /usr/lib64/libkipiplugins.so.4.12.0
#3  0x00007f76cb63b79f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f76c8aaa0a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f76cab5c08d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f76d20a1880 (LWP 3804)):
[KCrash Handler]
#5  0x00007f76cb760af6 in QVariant::toMap() const () at /usr/lib64/libQtCore.so.4
#6  0x00007f75eb0de781 in  () at /usr/lib64/kde4/kipiplugin_facebook.so
#7  0x00007f75eb0e587c in  () at /usr/lib64/kde4/kipiplugin_facebook.so
#8  0x00007f75eb0e5a2c in  () at /usr/lib64/kde4/kipiplugin_facebook.so
#9  0x00007f76cb7511fa in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#10 0x00007f76cbbd1352 in KJob::result(KJob*) () at /usr/lib64/libkdecore.so.5
#11 0x00007f76cbbd1390 in KJob::emitResult() () at /usr/lib64/libkdecore.so.5
#12 0x00007f76cd5c921a in KIO::SimpleJob::slotFinished() () at /usr/lib64/libkio.so.5
#13 0x00007f76cd5ca36e in KIO::TransferJob::slotFinished() () at /usr/lib64/libkio.so.5
#14 0x00007f76cb7511fa in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#15 0x00007f76cd667c26 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () at /usr/lib64/libkio.so.5
#16 0x00007f76cd66574e in KIO::SlaveInterface::dispatch() () at /usr/lib64/libkio.so.5
#17 0x00007f76cd65a466 in KIO::Slave::gotInput() () at /usr/lib64/libkio.so.5
#18 0x00007f76cb7511fa in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib64/libQtCore.so.4
#19 0x00007f76cd5973f1 in  () at /usr/lib64/libkio.so.5
#20 0x00007f76cb75559e in QObject::event(QEvent*) () at /usr/lib64/libQtCore.so.4
#21 0x00007f76cc14b76c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#22 0x00007f76cc151cad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#23 0x00007f76cce63e0a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#24 0x00007f76cb73d2ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#25 0x00007f76cb74057d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#26 0x00007f76cb76a8fe in  () at /usr/lib64/libQtCore.so.4
#27 0x00007f76c2be5a04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#28 0x00007f76c2be5c48 in  () at /usr/lib64/libglib-2.0.so.0
#29 0x00007f76c2be5cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f76cb76a0be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#31 0x00007f76cc1e8676 in  () at /usr/lib64/libQtGui.so.4
#32 0x00007f76cb73be6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#33 0x00007f76cb73c165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#34 0x00007f76cb7415b9 in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#35 0x00000000004a1196 in  ()
#36 0x00007f76caa98b05 in __libc_start_main () at /lib64/libc.so.6
#37 0x00000000004a3a3f in _start ()

Reported using DrKonqi
Comment 1 caulier.gilles 2015-09-07 17:20:14 UTC 
Install kipiplugins debug package and reproduce the crash with a better backtrace. The current one do not have debug symbols to hack.

You can run digiKam into GDB a be sure to obtain a good backtrace, following instructions here :

https://www.digikam.org/contrib
Comment 2 caulier.gilles 2015-09-07 17:21:17 UTC 
Note that 4.13.0 release have been published few days ago :

https://www.digikam.org/node/743

Gilles Caulier
Comment 3 caulier.gilles 2016-07-02 16:24:05 UTC 
With digiKam 5.0.0, this problem is not reproducible
This file is closed now. Don't hesitate to re-open if necessary.

Gilles Caulier