Bug 373983

Application: digikam (4.12.0)
KDE Platform Version: 4.14.16
Qt Version: 4.8.7
Operating System: Linux 4.4.0-53-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Selected 7 images and started export to SmugMug. Selected folder on SmugMug. Digikam crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7facd3833b40 (LWP 31166))]

Thread 6 (Thread 0x7fabfe1d7700 (LWP 31238)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007faccd5e83a6 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x710adf0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x70e0a70, mutex=mutex@entry=0x70e0a68, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fac485cc76e in KIPIPlugins::KPRawThumbThread::run (this=0x70e0ef0) at /build/digikam-J9prv3/digikam-4.12.0/extra/kipi-plugins/common/libkipiplugins/tools/kprawthumbthread.cpp:108
#4  0x00007faccd5e7e3c in QThreadPrivate::start (arg=0x70e0ef0) at thread/qthread_unix.cpp:352
#5  0x00007facc9f7c6ba in start_thread (arg=0x7fabfe1d7700) at pthread_create.c:333
#6  0x00007faccca8f82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7faca8ed4700 (LWP 31175)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007faccd5e83a6 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1780900) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x17f9580, mutex=mutex@entry=0x17f9578, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007facd1967202 in Digikam::ParkingThread::run (this=0x17f9560) at /build/digikam-J9prv3/digikam-4.12.0/core/libs/threads/threadmanager.cpp:119
#4  0x00007faccd5e7e3c in QThreadPrivate::start (arg=0x17f9560) at thread/qthread_unix.cpp:352
#5  0x00007facc9f7c6ba in start_thread (arg=0x7faca8ed4700) at pthread_create.c:333
#6  0x00007faccca8f82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7faca96d5700 (LWP 31171)):
#0  0x00007faccca83b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007facc653439c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007facc65344ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007faccd7282ce in QEventDispatcherGlib::processEvents (this=0x7fac9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007faccd6f618f in QEventLoop::processEvents (this=this@entry=0x7faca96d4a40, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007faccd6f64f5 in QEventLoop::exec (this=this@entry=0x7faca96d4a40, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007faccd5e5549 in QThread::exec (this=this@entry=0x14f43c0) at thread/qthread.cpp:538
#7  0x00007faccd6d6223 in QInotifyFileSystemWatcherEngine::run (this=0x14f43c0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007faccd5e7e3c in QThreadPrivate::start (arg=0x14f43c0) at thread/qthread_unix.cpp:352
#9  0x00007facc9f7c6ba in start_thread (arg=0x7faca96d5700) at pthread_create.c:333
#10 0x00007faccca8f82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7faca9ed6700 (LWP 31170)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007faccd5e83a6 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x14f1a70) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x14f1980, mutex=mutex@entry=0x14f1978, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00000000005fff44 in Digikam::ScanController::run (this=0x14f16f0) at /build/digikam-J9prv3/digikam-4.12.0/core/app/database/scancontroller.cpp:725
#4  0x00007faccd5e7e3c in QThreadPrivate::start (arg=0x14f16f0) at thread/qthread_unix.cpp:352
#5  0x00007facc9f7c6ba in start_thread (arg=0x7faca9ed6700) at pthread_create.c:333
#6  0x00007faccca8f82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7facae303700 (LWP 31169)):
#0  0x00007faccca83b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007facb892364c in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007facc9f7c6ba in start_thread (arg=0x7facae303700) at pthread_create.c:333
#3  0x00007faccca8f82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7facd3833b40 (LWP 31166)):
[KCrash Handler]
#6  QPixmapData::isNull (this=<optimized out>) at image/qpixmapdata_p.h:131
#7  QPixmap::isNull (this=this@entry=0x7187be8) at image/qpixmap.cpp:579
#8  0x00007facce42d62b in QPixmap::copy (this=this@entry=0x7187be8, rect=...) at image/qpixmap.cpp:382
#9  0x00007facce42e37f in QPixmap::QPixmap (this=0x7ffdce79acd0, pixmap=...) at image/qpixmap.cpp:303
#10 0x00007faccf133ab8 in KPixmapSequence::frameAt (this=0x672d928, index=1) at ../../kdeui/util/kpixmapsequence.cpp:143
#11 0x00007fac485de1e1 in KIPIPlugins::KPImagesList::slotProgressTimerDone (this=0x672cfa0) at /build/digikam-J9prv3/digikam-4.12.0/extra/kipi-plugins/common/libkipiplugins/widgets/kpimageslist.cpp:1146
#12 0x00007faccd70c010 in QMetaObject::activate (sender=0x70dc460, m=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3567
#13 0x00007faccd711c83 in QObject::event (this=0x70dc460, e=<optimized out>) at kernel/qobject.cpp:1253
#14 0x00007facce34dfdc in QApplicationPrivate::notify_helper (this=this@entry=0x1441e90, receiver=receiver@entry=0x70dc460, e=e@entry=0x7ffdce79b140) at kernel/qapplication.cpp:4570
#15 0x00007facce354f16 in QApplication::notify (this=this@entry=0x7ffdce79b860, receiver=receiver@entry=0x70dc460, e=e@entry=0x7ffdce79b140) at kernel/qapplication.cpp:4356
#16 0x00007faccf0b36aa in KApplication::notify (this=0x7ffdce79b860, receiver=0x70dc460, event=0x7ffdce79b140) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007faccd6f790d in QCoreApplication::notifyInternal (this=0x7ffdce79b860, receiver=0x70dc460, event=event@entry=0x7ffdce79b140) at kernel/qcoreapplication.cpp:955
#18 0x00007faccd72a780 in QCoreApplication::sendEvent (event=0x7ffdce79b140, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QTimerInfoList::activateTimers (this=0x1432540) at kernel/qeventdispatcher_unix.cpp:621
#20 0x00007faccd727929 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:193
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:240
#22 0x00007facc65341a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007facc6534400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007facc65344ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007faccd7282ae in QEventDispatcherGlib::processEvents (this=0x13a6b10, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#26 0x00007facce3fb616 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007faccd6f618f in QEventLoop::processEvents (this=this@entry=0x7ffdce79b3c0, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007faccd6f64f5 in QEventLoop::exec (this=this@entry=0x7ffdce79b3c0, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007faccd6fc4b9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#30 0x00007facce34c22c in QApplication::exec () at kernel/qapplication.cpp:3828
#31 0x0000000000492e9e in main (argc=<optimized out>, argv=<optimized out>) at /build/digikam-J9prv3/digikam-4.12.0/core/app/main/main.cpp:230

Possible duplicates by query: bug 365123, bug 364494, bug 361678, bug 361312, bug 361310.

Reported using DrKonqi