Application: digikam (4.7.0)
KDE Platform Version: 4.14.6
Qt Version: 4.8.6
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:

Importing my whole picture and video library, I had digiKam running in the background

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f207e375ac0 (LWP 24801))]

Thread 10 (Thread 0x7f2057618700 (LWP 24802)):
#0  0x00007f20772fb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f205e3fb12c in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007f207444b6aa in start_thread (arg=0x7f2057618700) at pthread_create.c:333
#3  0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f2052fdb700 (LWP 24803)):
[KCrash Handler]
#6  0x00007f2077235267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f2077236eca in __GI_abort () at abort.c:89
#8  0x00007f2077278c53 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f20773911a8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007f2077280c69 in malloc_printerr (ptr=<optimized out>, str=0x7f20773912d8 "double free or corruption (!prev)", action=1) at malloc.c:4965
#10 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3834
#11 0x00007f207728489c in __GI___libc_free (mem=<optimized out>) at malloc.c:2950
#12 0x00007f20753c725a in Exiv2::RiffVideo::infoTagsHandler() () from /usr/lib/x86_64-linux-gnu/libexiv2.so.13
#13 0x00007f20753cb195 in Exiv2::RiffVideo::decodeBlock() () from /usr/lib/x86_64-linux-gnu/libexiv2.so.13
#14 0x00007f20753cadc8 in Exiv2::RiffVideo::tagDecoder(Exiv2::DataBuf&, unsigned long) () from /usr/lib/x86_64-linux-gnu/libexiv2.so.13
#15 0x00007f20753cb195 in Exiv2::RiffVideo::decodeBlock() () from /usr/lib/x86_64-linux-gnu/libexiv2.so.13
#16 0x00007f20753cb548 in Exiv2::RiffVideo::readMetadata() () from /usr/lib/x86_64-linux-gnu/libexiv2.so.13
#17 0x00007f207c6d9c7d in KExiv2Iface::KExiv2::load(QString const&) const () from /usr/lib/libkexiv2.so.11
#18 0x00007f207bfcbab6 in Digikam::DMetadata::load(QString const&) const () from /usr/lib/digikam/libdigikamcore.so.4.7.0
#19 0x00007f207ba054c7 in Digikam::ImageScanner::loadFromDisk() () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#20 0x00007f207ba056b0 in Digikam::ImageScanner::newFile(int) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#21 0x00007f207b9960e6 in Digikam::CollectionScanner::scanNewFile(QFileInfo const&, int) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#22 0x00007f207b9997c2 in Digikam::CollectionScanner::scanAlbum(Digikam::CollectionLocation const&, QString const&) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#23 0x00007f207b99967f in Digikam::CollectionScanner::scanAlbum(Digikam::CollectionLocation const&, QString const&) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#24 0x00007f207b99967f in Digikam::CollectionScanner::scanAlbum(Digikam::CollectionLocation const&, QString const&) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#25 0x00007f207b99967f in Digikam::CollectionScanner::scanAlbum(Digikam::CollectionLocation const&, QString const&) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#26 0x00007f207b99967f in Digikam::CollectionScanner::scanAlbum(Digikam::CollectionLocation const&, QString const&) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#27 0x00007f207b99967f in Digikam::CollectionScanner::scanAlbum(Digikam::CollectionLocation const&, QString const&) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#28 0x00007f207b99a013 in Digikam::CollectionScanner::scanAlbumRoot(Digikam::CollectionLocation const&) () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#29 0x00007f207b99b875 in Digikam::CollectionScanner::completeScan() () from /usr/lib/digikam/libdigikamdatabase.so.4.7.0
#30 0x00000000005e9300 in ?? ()
#31 0x00007f2077de86ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#32 0x00007f207444b6aa in start_thread (arg=0x7f2052fdb700) at pthread_create.c:333
#33 0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f20527da700 (LWP 24804)):
#0  0x00007f2070507780 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f20704c2dbd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f20704c2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2077f2287e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f2077ef1d21 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f2077ef2085 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f2077de5e89 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f2077ed2493 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f2077de86ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f207444b6aa in start_thread (arg=0x7f20527da700) at pthread_create.c:333
#10 0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f203d3fc700 (LWP 24810)):
#0  0x00007f20704c2e7e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f20704c2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2077f2287e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f2077ef1d21 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f2077ef2085 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f207c0427f3 in ?? () from /usr/lib/digikam/libdigikamcore.so.4.7.0
#6  0x00007f2077ddbb70 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f2077de86ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f207444b6aa in start_thread (arg=0x7f203d3fc700) at pthread_create.c:333
#9  0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f2037d7e700 (LWP 24812)):
#0  0x00007f20772fb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f20704c2ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f20704c2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2077f2287e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f2077ef1d21 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f2077ef2085 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f207c0427f3 in ?? () from /usr/lib/digikam/libdigikamcore.so.4.7.0
#7  0x00007f2077ddbb70 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f2077de86ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f207444b6aa in start_thread (arg=0x7f2037d7e700) at pthread_create.c:333
#10 0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f1fbe7fc700 (LWP 24886)):
#0  0x00007f2077f21ee0 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#1  0x00007f2077f22005 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f20704c23fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f20704c2de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f20704c2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2077f2287e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f2077ef1d21 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f2077ef2085 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f2077de5e89 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f2077ed2493 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007f2077de86ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007f207444b6aa in start_thread (arg=0x7f1fbe7fc700) at pthread_create.c:333
#12 0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f1fbdffb700 (LWP 24887)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f206a48b81d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f206a48b859 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f207444b6aa in start_thread (arg=0x7f1fbdffb700) at pthread_create.c:333
#4  0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f203657b700 (LWP 24888)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f206a1cc20d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f206a4bafd6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f207444b6aa in start_thread (arg=0x7f203657b700) at pthread_create.c:333
#4  0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1fbf7fe700 (LWP 24915)):
#0  0x00007f20704c2444 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f20704c2de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f20704c2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2077f2287e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f2077ef1d21 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f2077ef2085 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f2077de5e89 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f2077de86ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f207444b6aa in start_thread (arg=0x7f1fbf7fe700) at pthread_create.c:333
#9  0x00007f2077306eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f207e375ac0 (LWP 24801)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2077de8c56 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f2077ddae62 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f2077ddc2d5 in QThreadPool::~QThreadPool() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f2077ddc309 in QThreadPool::~QThreadPool() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f2077f0ad18 in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f2077f0d465 in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f207c0420d7 in ?? () from /usr/lib/digikam/libdigikamcore.so.4.7.0
#8  0x00007f2077239d32 in __run_exit_handlers (status=1, listp=0x7f20775c4698 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#9  0x00007f2077239d85 in __GI_exit (status=<optimized out>) at exit.c:104
#10 0x00007f2078bb2488 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#11 0x00007f20798a75a0 in KApplication::xioErrhandler(_XDisplay*) () from /usr/lib/libkdeui.so.5
#12 0x00007f2075ce788e in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#13 0x00007f2075ce51fd in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#14 0x00007f2075cd7190 in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#15 0x00007f2078bee6cc in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#16 0x00007f20704c28c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f20704c2e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f20704c2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f2077f2285e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#20 0x00007f2078beec66 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#21 0x00007f2077ef1d21 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x00007f2077ef2085 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00000000005e4d21 in ?? ()
#24 0x000000000052a307 in ?? ()
#25 0x00007f2077f0c8e1 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007f2078b469bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x00007f2078b4d4d8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#28 0x00007f20798a8b4a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#29 0x00007f2077ef31cd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#30 0x00007f2077ef6a71 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007f2077f226ee in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#32 0x00007f20704c2c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f20704c2f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f20704c2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f2077f2285e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#36 0x00007f2078beec66 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#37 0x00007f2077ef1d21 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#38 0x00007f2077ef2085 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#39 0x00007f2077ef7b09 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#40 0x00000000004967a6 in ?? ()
#41 0x00007f2077220a40 in __libc_start_main (main=0x495660, argc=1, argv=0x7ffd5cd1dc98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd5cd1dc88) at libc-start.c:289
#42 0x0000000000499069 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 340373.

Possible duplicates by query: bug 351689, bug 348699, bug 348173, bug 347139, bug 347134.

Reported using DrKonqi