Bug 330160

Application: k3b (2.0.2)
KDE Platform Version: 4.11.3
Qt Version: 4.8.4
Operating System: Linux 3.11.0-15-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
I clicked and dragged a file from my downloads folder.  As soon as the file was over the project section of K3B, it crashed.

-- 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 0x7f9c7383f7c0 (LWP 9757))]

Thread 3 (Thread 0x7f9c50b00700 (LWP 9761)):
#0  __GI___pthread_mutex_lock (mutex=0x7f9c4c000a60) at pthread_mutex_lock.c:90
#1  0x00007f9c681193a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9c680d8f3b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9c680d9612 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9c680d97ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9c6e392a76 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f9c6e3645ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f9c6e3648e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f9c6e26388f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f9c6e345d13 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007f9c6e265f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007f9c67430f6e in start_thread (arg=0x7f9c50b00700) at pthread_create.c:311
#12 0x00007f9c6ccec9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f9c475dd700 (LWP 9796)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f9c6e264b7a in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f9c6e2652d6 in QThread::sleep(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f9c7312a7f5 in K3b::MediaCache::PollThread::run (this=0x1be55d0) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f9c6e265f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f9c67430f6e in start_thread (arg=0x7f9c475dd700) at pthread_create.c:311
#6  0x00007f9c6ccec9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f9c7383f7c0 (LWP 9757)):
[KCrash Handler]
#5  0x000000007fffffff in ?? ()
#6  0x00007f9c499cca74 in av_free_packet () from /usr/lib/x86_64-linux-gnu/libavcodec.so.53
#7  0x00007f9c4a6b8d5e in K3bFFMpegFile::close (this=this@entry=0x2269b20) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:166
#8  0x00007f9c4a6b8dc0 in K3bFFMpegFile::open (this=this@entry=0x2269b20) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:92
#9  0x00007f9c4a6b9859 in K3bFFMpegWrapper::open (this=<optimized out>, filename=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:440
#10 0x00007f9c4a6b8452 in K3bFFMpegDecoderFactory::canDecode (this=<optimized out>, url=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp:60
#11 0x0000000000504917 in areAudioFiles (urls=...) at /build/buildd/k3b-2.0.2/src/k3b.cpp:152
#12 K3b::MainWindow::addUrls (this=0x1b6fb80, urls=...) at /build/buildd/k3b-2.0.2/src/k3b.cpp:1545
#13 0x00000000005057de in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3b.moc:173
#14 K3b::MainWindow::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3b.moc:130
#15 0x00007f9c6e37ddce in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007f9c6d4d736b in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#17 0x00007f9c6d890db3 in QMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#18 0x00007f9c6ee9aa49 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/libkdeui.so.5
#19 0x00007f9c6d487dfc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#20 0x00007f9c6d48e470 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#21 0x00007f9c6edaea6a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#22 0x00007f9c6e3658bd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007f9c6e368e1f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x00007f9c6e393073 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x00007f9c680d93b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f9c680d9708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f9c680d97ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f9c6e392a55 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#29 0x00007f9c6d5299d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#30 0x00007f9c6e3645ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007f9c6e3648e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#32 0x00007f9c6e369e5b in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#33 0x00000000004449a2 in main (argc=<optimized out>, argv=0x7fffaf48d478) at /build/buildd/k3b-2.0.2/src/main.cpp:165

Possible duplicates by query: bug 330002, bug 329739, bug 329520, bug 329222, bug 329219.

Reported using DrKonqi