Bug 332174

Application: k3b (2.0.2)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.13.5-031305-lowlatency x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
reproducable when using drg&drop and also whe manually adding via menue: 'add files to project'

The crash can be reproduced every time.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd6582a87c0 (LWP 6782))]

Thread 4 (Thread 0x7fd63bac3700 (LWP 6783)):
#0  0x00007fd64cb920ed in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd64cb923c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd64cb525b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd64cb527ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd652e0ba76 in QEventDispatcherGlib::processEvents (this=0x7fd6340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fd652ddd5ef in QEventLoop::processEvents (this=this@entry=0x7fd63bac2d70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fd652ddd8e5 in QEventLoop::exec (this=this@entry=0x7fd63bac2d70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fd652cdc88f in QThread::exec (this=this@entry=0x280d110) at thread/qthread.cpp:542
#8  0x00007fd652dbed13 in QInotifyFileSystemWatcherEngine::run (this=0x280d110) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007fd652cdef2f in QThreadPrivate::start (arg=0x280d110) at thread/qthread_unix.cpp:338
#10 0x00007fd64bea9f6e in start_thread (arg=0x7fd63bac3700) at pthread_create.c:311
#11 0x00007fd6517659cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fd62bfff700 (LWP 6812)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007fd652cddb7a in thread_sleep (ti=ti@entry=0x7fd62bffed80) at thread/qthread_unix.cpp:475
#2  0x00007fd652cde2d6 in QThread::sleep (secs=secs@entry=2) at thread/qthread_unix.cpp:489
#3  0x00007fd657ba27f5 in K3b::MediaCache::PollThread::run (this=0x27b3310) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007fd652cdef2f in QThreadPrivate::start (arg=0x27b3310) at thread/qthread_unix.cpp:338
#5  0x00007fd64bea9f6e in start_thread (arg=0x7fd62bfff700) at pthread_create.c:311
#6  0x00007fd6517659cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fd629f37700 (LWP 6850)):
#0  0x00007fd6517576bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd64cb91670 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd64cb521cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd64cb5263b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd64cb527ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd652e0ba76 in QEventDispatcherGlib::processEvents (this=0x7fd6180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fd652ddd5ef in QEventLoop::processEvents (this=this@entry=0x7fd629f36d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fd652ddd8e5 in QEventLoop::exec (this=this@entry=0x7fd629f36d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fd652cdc88f in QThread::exec (this=this@entry=0x39e64c0) at thread/qthread.cpp:542
#9  0x00007fd652dbed13 in QInotifyFileSystemWatcherEngine::run (this=0x39e64c0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fd652cdef2f in QThreadPrivate::start (arg=0x39e64c0) at thread/qthread_unix.cpp:338
#11 0x00007fd64bea9f6e in start_thread (arg=0x7fd629f37700) at pthread_create.c:311
#12 0x00007fd6517659cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fd6582a87c0 (LWP 6782)):
[KCrash Handler]
#6  0x00000000b6cc1313 in ?? ()
#7  0x00007fd639d1f454 in av_free_packet () from /usr/lib/x86_64-linux-gnu/libavcodec.so.53
#8  0x00007fd63aa12d5e in K3bFFMpegFile::close (this=this@entry=0x3bd4ae0) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:166
#9  0x00007fd63aa12dc0 in K3bFFMpegFile::open (this=this@entry=0x3bd4ae0) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:92
#10 0x00007fd63aa13859 in K3bFFMpegWrapper::open (this=<optimized out>, filename=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:440
#11 0x00007fd63aa12452 in K3bFFMpegDecoderFactory::canDecode (this=<optimized out>, url=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp:60
#12 0x00007fd657bb1ea8 in K3b::AudioDecoderFactory::createDecoder (url=...) at /build/buildd/k3b-2.0.2/libk3b/plugin/k3baudiodecoder.cpp:584
#13 0x00007fd657bfe002 in getDecoderForUrl (reused=0x7fffd06c4c3f, url=..., this=<optimized out>) at /build/buildd/k3b-2.0.2/libk3b/projects/audiocd/k3baudiodoc.cpp:454
#14 K3b::AudioDoc::getDecoderForUrl (this=0x3a6e1b0, url=..., reused=reused@entry=0x7fffd06c4c3f) at /build/buildd/k3b-2.0.2/libk3b/projects/audiocd/k3baudiodoc.cpp:445
#15 0x00000000004ba563 in K3b::AudioTrackAddingDialog::slotAddUrls (this=0x3be1cd0) at /build/buildd/k3b-2.0.2/src/projects/k3baudiotrackaddingdialog.cpp:173
#16 0x00007fd652df6dce in QObject::event (this=this@entry=0x3be1cd0, e=e@entry=0x3bd4de0) at kernel/qobject.cpp:1194
#17 0x00007fd651f5036b in QWidget::event (this=0x3be1cd0, event=0x3bd4de0) at kernel/qwidget.cpp:8845
#18 0x00007fd651f00dfc in QApplicationPrivate::notify_helper (this=this@entry=0x26d2630, receiver=receiver@entry=0x3be1cd0, e=e@entry=0x3bd4de0) at kernel/qapplication.cpp:4567
#19 0x00007fd651f07470 in QApplication::notify (this=this@entry=0x7fffd06c5e90, receiver=receiver@entry=0x3be1cd0, e=e@entry=0x3bd4de0) at kernel/qapplication.cpp:4353
#20 0x00007fd653827a6a in KApplication::notify (this=0x7fffd06c5e90, receiver=0x3be1cd0, event=0x3bd4de0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007fd652dde8bd in QCoreApplication::notifyInternal (this=0x7fffd06c5e90, receiver=receiver@entry=0x3be1cd0, event=event@entry=0x3bd4de0) at kernel/qcoreapplication.cpp:946
#22 0x00007fd652de1e1f in sendEvent (event=0x3bd4de0, receiver=0x3be1cd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x2607220) at kernel/qcoreapplication.cpp:1570
#24 0x00007fd652de22c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#25 0x00007fd652e0c073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#26 postEventSourceDispatch (s=0x26a68e0) at kernel/qeventdispatcher_glib.cpp:279
#27 0x00007fd64cb523b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fd64cb52708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fd64cb527ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fd652e0ba55 in QEventDispatcherGlib::processEvents (this=0x2608b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#31 0x00007fd651fa29d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007fd652ddd5ef in QEventLoop::processEvents (this=this@entry=0x7fffd06c5580, flags=...) at kernel/qeventloop.cpp:149
#33 0x00007fd652ddd8e5 in QEventLoop::exec (this=this@entry=0x7fffd06c5580, flags=...) at kernel/qeventloop.cpp:204
#34 0x00007fd6523a738c in QDialog::exec (this=0x3be1cd0) at dialogs/qdialog.cpp:554
#35 0x00007fd6523a74c6 in QDialog::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0x3bd4ce0, _c=<optimized out>) at .moc/release-shared/moc_qdialog.cpp:70
#36 0x00007fd652df6dce in QObject::event (this=this@entry=0x3be1cd0, e=e@entry=0x3bd4d20) at kernel/qobject.cpp:1194
#37 0x00007fd651f5036b in QWidget::event (this=0x3be1cd0, event=0x3bd4d20) at kernel/qwidget.cpp:8845
#38 0x00007fd651f00dfc in QApplicationPrivate::notify_helper (this=this@entry=0x26d2630, receiver=receiver@entry=0x3be1cd0, e=e@entry=0x3bd4d20) at kernel/qapplication.cpp:4567
#39 0x00007fd651f07470 in QApplication::notify (this=this@entry=0x7fffd06c5e90, receiver=receiver@entry=0x3be1cd0, e=e@entry=0x3bd4d20) at kernel/qapplication.cpp:4353
#40 0x00007fd653827a6a in KApplication::notify (this=0x7fffd06c5e90, receiver=0x3be1cd0, event=0x3bd4d20) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x00007fd652dde8bd in QCoreApplication::notifyInternal (this=0x7fffd06c5e90, receiver=receiver@entry=0x3be1cd0, event=event@entry=0x3bd4d20) at kernel/qcoreapplication.cpp:946
#42 0x00007fd652de1e1f in sendEvent (event=0x3bd4d20, receiver=0x3be1cd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#43 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x2607220) at kernel/qcoreapplication.cpp:1570
#44 0x00007fd652de22c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#45 0x00007fd652e0c073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#46 postEventSourceDispatch (s=0x26a68e0) at kernel/qeventdispatcher_glib.cpp:279
#47 0x00007fd64cb523b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007fd64cb52708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007fd64cb527ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007fd652e0ba55 in QEventDispatcherGlib::processEvents (this=0x2608b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#51 0x00007fd651fa29d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#52 0x00007fd652ddd5ef in QEventLoop::processEvents (this=this@entry=0x7fffd06c5cb0, flags=...) at kernel/qeventloop.cpp:149
#53 0x00007fd652ddd8e5 in QEventLoop::exec (this=this@entry=0x7fffd06c5cb0, flags=...) at kernel/qeventloop.cpp:204
#54 0x00007fd652de2e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#55 0x00007fd651eff34c in QApplication::exec () at kernel/qapplication.cpp:3828
#56 0x00000000004449a2 in main (argc=<optimized out>, argv=0x7fffd06c5fd8) at /build/buildd/k3b-2.0.2/src/main.cpp:165

Possible duplicates by query: bug 332000, bug 331780, bug 331431, bug 330998, bug 330642.

Reported using DrKonqi