Application: digikam (4.12.0)
KDE Platform Version: 4.14.16
Qt Version: 4.8.7
Operating System: Linux 4.4.0-24-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
With TIFF and JPEG source images, it crash

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 0x7f5bb50feb40 (LWP 3489))]

Thread 13 (Thread 0x7f5b8fbcb700 (LWP 3490)):
#0  0x00007f5bae348e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f5b9a1ed64c in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007f5bab8426fa in start_thread (arg=0x7f5b8fbcb700) at pthread_create.c:333
#3  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f5b8b7a4700 (LWP 3491)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5baeead3a6 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1e0cf50) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x1e0ce60, mutex=mutex@entry=0x1e0ce58, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00000000005fff44 in Digikam::ScanController::run (this=0x1e0cbd0) at /build/digikam-J9prv3/digikam-4.12.0/core/app/database/scancontroller.cpp:725
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x1e0cbd0) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5b8b7a4700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f5b8afa3700 (LWP 3492)):
#0  0x00007f5bae3449cd in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f5ba7e3d6c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5ba7df9e04 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5ba7dfa2c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5ba7dfa42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5baefed2ce in QEventDispatcherGlib::processEvents (this=0x7f5b7c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#6  0x00007f5baefbb18f in QEventLoop::processEvents (this=this@entry=0x7f5b8afa2a40, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f5baefbb4f5 in QEventLoop::exec (this=this@entry=0x7f5b8afa2a40, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f5baeeaa549 in QThread::exec (this=this@entry=0x1e10710) at thread/qthread.cpp:538
#9  0x00007f5baef9b223 in QInotifyFileSystemWatcherEngine::run (this=0x1e10710) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f5baeeace3c in QThreadPrivate::start (arg=0x1e10710) at thread/qthread_unix.cpp:352
#11 0x00007f5bab8426fa in start_thread (arg=0x7f5b8afa3700) at pthread_create.c:333
#12 0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f5b8a7a2700 (LWP 3498)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5baeead3a6 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1e4d160) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x1e4aa00, mutex=mutex@entry=0x1e4a9f8, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5bb322c202 in Digikam::ParkingThread::run (this=0x1e4a9e0) at /build/digikam-J9prv3/digikam-4.12.0/core/libs/threads/threadmanager.cpp:119
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x1e4a9e0) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5b8a7a2700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f5b7b728700 (LWP 3499)):
#0  0x00007f5ba7e3ea64 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5ba7dfa2d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5ba7dfa42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5baefed2ce in QEventDispatcherGlib::processEvents (this=0x7f5b740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007f5baefbb18f in QEventLoop::processEvents (this=this@entry=0x7f5b7b727a40, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5baefbb4f5 in QEventLoop::exec (this=this@entry=0x7f5b7b727a40, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f5baeeaa549 in QThread::exec (this=this@entry=0x1d2f4f0) at thread/qthread.cpp:538
#7  0x00007f5baef9b223 in QInotifyFileSystemWatcherEngine::run (this=0x1d2f4f0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x1d2f4f0) at thread/qthread_unix.cpp:352
#9  0x00007f5bab8426fa in start_thread (arg=0x7f5b7b728700) at pthread_create.c:333
#10 0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f5b66ffd700 (LWP 3509)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f5baeead384 in QWaitConditionPrivate::wait (time=30000, this=0x3595e60) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=this@entry=0x3595c10, mutex=mutex@entry=0x1e492d8, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5baee9ffe7 in QThreadPoolThread::run (this=0x3595c00) at concurrent/qthreadpool.cpp:142
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x3595c00) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5b66ffd700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f5af7fff700 (LWP 3536)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f5baeead384 in QWaitConditionPrivate::wait (time=30000, this=0x7f5b040738b0) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=this@entry=0x7f5b04073660, mutex=mutex@entry=0x7f5b040732e8, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5baee9ffe7 in QThreadPoolThread::run (this=0x7f5b04073650) at concurrent/qthreadpool.cpp:142
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x7f5b04073650) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5af7fff700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f5af77fe700 (LWP 3537)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f5baeead384 in QWaitConditionPrivate::wait (time=30000, this=0x7f5b040740e0) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=this@entry=0x7f5b04073e90, mutex=mutex@entry=0x7f5b040732e8, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5baee9ffe7 in QThreadPoolThread::run (this=0x7f5b04073e80) at concurrent/qthreadpool.cpp:142
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x7f5b04073e80) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5af77fe700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f5af57fa700 (LWP 3541)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f5baeead384 in QWaitConditionPrivate::wait (time=30000, this=0x7f5b00074480) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=this@entry=0x7f5b00074230, mutex=mutex@entry=0x7f5b040732e8, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5baee9ffe7 in QThreadPoolThread::run (this=0x7f5b00074220) at concurrent/qthreadpool.cpp:142
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x7f5b00074220) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5af57fa700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f5af4ff9700 (LWP 3542)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f5baeead384 in QWaitConditionPrivate::wait (time=30000, this=0x7f5b04075010) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=this@entry=0x7f5b04074dc0, mutex=mutex@entry=0x7f5b040732e8, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5baee9ffe7 in QThreadPoolThread::run (this=0x7f5b04074db0) at concurrent/qthreadpool.cpp:142
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x7f5b04074db0) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5af4ff9700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f5aed050700 (LWP 3565)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5baeead3a6 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x546cf30) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x54950e0, mutex=mutex@entry=0x54950d8, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5b6436976e in KIPIPlugins::KPRawThumbThread::run (this=0x5495560) at /build/digikam-J9prv3/digikam-4.12.0/extra/kipi-plugins/common/libkipiplugins/tools/kprawthumbthread.cpp:108
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x5495560) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5aed050700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f5aec84f700 (LWP 3566)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5baeead3a6 in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3ea2e20) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x51e4d78, mutex=mutex@entry=0x51e4d68, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f5b64112d57 in KIPIExpoBlendingPlugin::ActionThread::run (this=0x50d8740) at /build/digikam-J9prv3/digikam-4.12.0/extra/kipi-plugins/expoblending/manager/actionthread.cpp:297
#4  0x00007f5baeeace3c in QThreadPrivate::start (arg=0x50d8740) at thread/qthread_unix.cpp:352
#5  0x00007f5bab8426fa in start_thread (arg=0x7f5aec84f700) at pthread_create.c:333
#6  0x00007f5bae354b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f5bb50feb40 (LWP 3489)):
[KCrash Handler]
#6  QPixmapData::isNull (this=<optimized out>) at image/qpixmapdata_p.h:131
#7  QPixmap::isNull (this=this@entry=0x54aa238) at image/qpixmap.cpp:579
#8  0x00007f5bafcf262b in QPixmap::copy (this=this@entry=0x54aa238, rect=...) at image/qpixmap.cpp:382
#9  0x00007f5bafcf337f in QPixmap::QPixmap (this=0x7fff925c4c30, pixmap=...) at image/qpixmap.cpp:303
#10 0x00007f5bb09f8ab8 in KPixmapSequence::frameAt (this=0x54ac368, index=1) at ../../kdeui/util/kpixmapsequence.cpp:143
#11 0x00007f5b64117afb in KIPIExpoBlendingPlugin::PreProcessingPage::slotProgressTimerDone (this=0x549a0f0) at /build/digikam-J9prv3/digikam-4.12.0/extra/kipi-plugins/expoblending/importwizard/preprocessingpage.cpp:210
#12 0x00007f5b64118f4d in KIPIExpoBlendingPlugin::PreProcessingPage::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /build/digikam-J9prv3/digikam-4.12.0/obj-x86_64-linux-gnu/extra/kipi-plugins/expoblending/preprocessingpage.moc:58
#13 0x00007f5baefd1010 in QMetaObject::activate (sender=0x54ab830, m=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3567
#14 0x00007f5baefd6c83 in QObject::event (this=0x54ab830, e=<optimized out>) at kernel/qobject.cpp:1253
#15 0x00007f5bafc12fdc in QApplicationPrivate::notify_helper (this=this@entry=0x1c8a320, receiver=receiver@entry=0x54ab830, e=e@entry=0x7fff925c50a0) at kernel/qapplication.cpp:4570
#16 0x00007f5bafc19f16 in QApplication::notify (this=this@entry=0x7fff925c57c0, receiver=receiver@entry=0x54ab830, e=e@entry=0x7fff925c50a0) at kernel/qapplication.cpp:4356
#17 0x00007f5bb09786aa in KApplication::notify (this=0x7fff925c57c0, receiver=0x54ab830, event=0x7fff925c50a0) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x00007f5baefbc90d in QCoreApplication::notifyInternal (this=0x7fff925c57c0, receiver=0x54ab830, event=event@entry=0x7fff925c50a0) at kernel/qcoreapplication.cpp:955
#19 0x00007f5baefef780 in QCoreApplication::sendEvent (event=0x7fff925c50a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#20 QTimerInfoList::activateTimers (this=0x1c7ddb0) at kernel/qeventdispatcher_unix.cpp:621
#21 0x00007f5baefec929 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:193
#22 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:240
#23 0x00007f5ba7dfa127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f5ba7dfa380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f5ba7dfa42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f5baefed2ae in QEventDispatcherGlib::processEvents (this=0x1c78e90, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#27 0x00007f5bafcc0616 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007f5baefbb18f in QEventLoop::processEvents (this=this@entry=0x7fff925c5320, flags=...) at kernel/qeventloop.cpp:149
#29 0x00007f5baefbb4f5 in QEventLoop::exec (this=this@entry=0x7fff925c5320, flags=...) at kernel/qeventloop.cpp:204
#30 0x00007f5baefc14b9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#31 0x00007f5bafc1122c in QApplication::exec () at kernel/qapplication.cpp:3828
#32 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 361678, bug 361312, bug 361310, bug 361102, bug 358424.

Reported using DrKonqi