Application: digikam (4.12.0)
KDE Platform Version: 4.14.16
Qt Version: 4.8.7
Operating System: Linux 4.4.0-21-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
I searched for pictures and wanted to change the date and time of the selected search result.

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 0x7f5fd2742b40 (LWP 13769))]

Thread 12 (Thread 0x7f5fa84d4700 (LWP 13771)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00000000005fff44 in ?? ()
#3  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f5fc8e976fa in start_thread (arg=0x7f5fa84d4700) at pthread_create.c:333
#5  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f5fa7cd3700 (LWP 13772)):
#0  0x00007f5fcb99de8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f5fc544f31c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5fc544f42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5fcc6422ce in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f5fcc61018f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f5fcc6104f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f5fcc4ff549 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f5fcc5f0223 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f5fc8e976fa in start_thread (arg=0x7f5fa7cd3700) at pthread_create.c:333
#10 0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f5fa74d2700 (LWP 13776)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5fd0881202 in ?? () from /usr/lib/digikam/libdigikamcore.so.4.12.0
#3  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f5fc8e976fa in start_thread (arg=0x7f5fa74d2700) at pthread_create.c:333
#5  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f5f93a04700 (LWP 13777)):
#0  0x00007f5fcb99de8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f5fc544f31c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5fc544f42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5fcc6422ce in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f5fcc61018f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f5fcc6104f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f5fcc4ff549 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f5fcc5f0223 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f5fc8e976fa in start_thread (arg=0x7f5f93a04700) at pthread_create.c:333
#10 0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f5f79ffb700 (LWP 13915)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f5fcc502384 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5fcc4f4fe7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f5fc8e976fa in start_thread (arg=0x7f5f79ffb700) at pthread_create.c:333
#5  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f5f852d1700 (LWP 13933)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5f4c35576e in KIPIPlugins::KPRawThumbThread::run() () from /usr/lib/digikam/libkipiplugins.so.4.12.0
#3  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f5fc8e976fa in start_thread (arg=0x7f5f852d1700) at pthread_create.c:333
#5  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f5f87ffe700 (LWP 13938)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5fd1cf4a14 in KDcrawIface::RActionThreadBase::run() () from /usr/lib/libkdcraw.so.23
#3  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f5fc8e976fa in start_thread (arg=0x7f5f87ffe700) at pthread_create.c:333
#5  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f5f4ffff700 (LWP 13939)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5fcf4a1c9c in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f5fcf4a49a3 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f5fcf4a34ff in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#5  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f5fc8e976fa in start_thread (arg=0x7f5f4ffff700) at pthread_create.c:333
#7  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f5f86e9c700 (LWP 13940)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5fcf4a1c9c in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f5fcf4a49a3 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f5fcf4a34ff in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#5  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f5fc8e976fa in start_thread (arg=0x7f5f86e9c700) at pthread_create.c:333
#7  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f5f8669b700 (LWP 13941)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5fcf4a1c9c in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f5fcf4a49a3 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f5fcf4a34ff in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#5  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f5fc8e976fa in start_thread (arg=0x7f5f8669b700) at pthread_create.c:333
#7  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f5f85e9a700 (LWP 13942)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5fcc5023a6 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f5fcf4a1c9c in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f5fcf4a49a3 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f5fcf4a34ff in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#5  0x00007f5fcc501e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f5fc8e976fa in start_thread (arg=0x7f5f85e9a700) at pthread_create.c:333
#7  0x00007f5fcb9a9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f5fd2742b40 (LWP 13769)):
[KCrash Handler]
#6  0x00007f5fcd3467f9 in QPixmap::isNull() const () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7  0x00007f5fcd34762b in QPixmap::copy(QRect const&) const () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#8  0x00007f5fcd34837f in QPixmap::QPixmap(QPixmap const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#9  0x00007f5fce04dab8 in KPixmapSequence::frameAt(int) const () from /usr/lib/libkdeui.so.5
#10 0x00007f5f4c3671e1 in KIPIPlugins::KPImagesList::slotProgressTimerDone() () from /usr/lib/digikam/libkipiplugins.so.4.12.0
#11 0x00007f5fcc626010 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007f5fcc62bc83 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007f5fcd267fdc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007f5fcd26ef16 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#15 0x00007f5fcdfcd6aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007f5fcc61190d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007f5fcc644780 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007f5fcc641929 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007f5fc544f127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f5fc544f380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f5fc544f42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f5fcc6422ae in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007f5fcd315616 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#24 0x00007f5fcc61018f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x00007f5fcc6104f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007f5fcc6164b9 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#27 0x0000000000492e9e in ?? ()
#28 0x00007f5fcb8c3830 in __libc_start_main (main=0x491c10, argc=1, argv=0x7ffdadd30c48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdadd30c38) at ../csu/libc-start.c:291
#29 0x0000000000495dd9 in _start ()

Possible duplicates by query: bug 361802, bug 361678, bug 361312, bug 361310, bug 361102.

Reported using DrKonqi