Bug 311857

Summary: Amarok crashes on pressing Last.FM "Love It" button without Last.FM account
Product: [Applications] amarok Reporter: Illya Kovalevskyy <illya.kovalevskyy>
Component: Services/Last.fmAssignee: Amarok Developers <amarok-bugs-dist>
Status: RESOLVED FIXED    
Severity: crash CC: matej, sam
Priority: NOR    
Version: 2.6.90 (2.7 beta)   
Target Milestone: 2.7   
Platform: Ubuntu   
OS: Linux   
Latest Commit: http://commits.kde.org/amarok/9b18527d2fe90e4aa214d10c428d84bc0af05570 Version Fixed In: 2.7
Sentry Crash Report:

Description Illya Kovalevskyy 2012-12-17 22:01:15 UTC 
Application: amarok (2.6.90)
KDE Platform Version: 4.9.3
Qt Version: 4.8.3
Operating System: Linux 3.5.0-19-generic i686
Distribution: Ubuntu 12.10

-- Information about the crash:
I pressed "Love it" button in the Slim Bar. It caused SIGSEGV (Segmentation Fault) of the application.

P.S. I don't have Last.FM account.

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xaf5f3740 (LWP 26730))]

Thread 18 (Thread 0xa8b00b40 (LWP 26733)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465885e in __pthread_mutex_lock_full () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f864 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#3  0xb1e934ff in pa_mutex_lock () from /usr/lib/i386-linux-gnu/pulseaudio/libpulsecommon-2.1.so
#4  0xb3fa5b70 in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#5  0xb3f93e8a in pa_mainloop_poll () from /usr/lib/i386-linux-gnu/libpulse.so.0
#6  0xb3f946c9 in pa_mainloop_iterate () from /usr/lib/i386-linux-gnu/libpulse.so.0
#7  0xb3f947a4 in pa_mainloop_run () from /usr/lib/i386-linux-gnu/libpulse.so.0
#8  0xb3fa5aee in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#9  0xb1e9479a in ?? () from /usr/lib/i386-linux-gnu/pulseaudio/libpulsecommon-2.1.so
#10 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x5c8b0824 in ?? ()
#12 0xbab80424 in ?? ()
#13 0x65000000 in ?? ()
#14 0x001015ff in ?? ()
#15 0xd3890000 in ?? ()
#16 0xfff0013d in ?? ()
#17 0xc30173ff in ?? ()
#18 0x0fc3d2e8 in ?? ()
#19 0xbbc18100 in ?? ()
#20 0x8b001774 in ?? ()
#21 0xfffefc89 in ?? ()
#22 0x29d231ff in ?? ()
#23 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 17 (Thread 0xa3117b40 (LWP 26735)):
#0  0xb465dc64 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb560f8a4 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb43a1cc0 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb4360bef in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb4360e61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb597199f in QEventDispatcherGlib::processEvents (this=0xa28004a8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb593e26c in QEventLoop::processEvents (this=this@entry=0xa3117178, flags=...) at kernel/qeventloop.cpp:149
#7  0xb593e561 in QEventLoop::exec (this=0xa3117178, flags=...) at kernel/qeventloop.cpp:204
#8  0xb582966c in QThread::exec (this=0xa575f18) at thread/qthread.cpp:501
#9  0xb591c7bd in QInotifyFileSystemWatcherEngine::run (this=0xa575f18) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb582ca58 in QThreadPrivate::start (arg=0xa575f18) at thread/qthread_unix.cpp:338
#11 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x5c8b0824 in ?? ()
#13 0xbab80424 in ?? ()
#14 0x65000000 in ?? ()
#15 0x001015ff in ?? ()
#16 0xd3890000 in ?? ()
#17 0xfff0013d in ?? ()
#18 0xc30173ff in ?? ()
#19 0x0fc3d2e8 in ?? ()
#20 0xbbc18100 in ?? ()
#21 0x8b001774 in ?? ()
#22 0xfffefc89 in ?? ()
#23 0x29d231ff in ?? ()
#24 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 16 (Thread 0xa17feb40 (LWP 26741)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb582d030 in wait (time=4294967295, this=0xa5be988) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa58b068, mutex=0xa5ceff8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb4dafb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa58b050, th=0xa5bd788) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb4db296b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa5bad00, th=0xa5bd788) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb4daf6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa58b050, th=0xa5bd788) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb4db2ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa5bd788) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa5bd788, previous=0xb294198) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb4db1524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa17fe1d4, parent=0xa58b050, th=th@entry=0xa5bd788) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb4db15da in ThreadWeaver::Thread::run (this=0xa5bd788) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb582ca58 in QThreadPrivate::start (arg=0xa5bd788) at thread/qthread_unix.cpp:338
#13 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x5c8b0824 in ?? ()
#15 0xbab80424 in ?? ()
#16 0x65000000 in ?? ()
#17 0x001015ff in ?? ()
#18 0xd3890000 in ?? ()
#19 0xfff0013d in ?? ()
#20 0xc30173ff in ?? ()
#21 0x0fc3d2e8 in ?? ()
#22 0xbbc18100 in ?? ()
#23 0x8b001774 in ?? ()
#24 0xfffefc89 in ?? ()
#25 0x29d231ff in ?? ()
#26 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 15 (Thread 0xa0aa6b40 (LWP 26742)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb582d030 in wait (time=4294967295, this=0xa5be988) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa58b068, mutex=0xa5ceff8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb4dafb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa58b050, th=0xa7af690) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb4db296b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa5bad00, th=0xa7af690) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb4daf6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa58b050, th=0xa7af690) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb4db2ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7af690) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7af690, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb4db2ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7af690) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7af690, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb4db2ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7af690) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7af690, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb4db2ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7af690) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7af690, previous=0xad491b8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0xb4db1524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa0aa61d4, parent=0xa58b050, th=th@entry=0xa7af690) at ../../../threadweaver/Weaver/Thread.cpp:87
#17 0xb4db15da in ThreadWeaver::Thread::run (this=0xa7af690) at ../../../threadweaver/Weaver/Thread.cpp:142
#18 0xb582ca58 in QThreadPrivate::start (arg=0xa7af690) at thread/qthread_unix.cpp:338
#19 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#20 0x5c8b0824 in ?? ()
#21 0xbab80424 in ?? ()
#22 0x65000000 in ?? ()
#23 0x001015ff in ?? ()
#24 0xd3890000 in ?? ()
#25 0xfff0013d in ?? ()
#26 0xc30173ff in ?? ()
#27 0x0fc3d2e8 in ?? ()
#28 0xbbc18100 in ?? ()
#29 0x8b001774 in ?? ()
#30 0xfffefc89 in ?? ()
#31 0x29d231ff in ?? ()
#32 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 14 (Thread 0xa02a5b40 (LWP 26744)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb582d030 in wait (time=4294967295, this=0xa5be988) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa58b068, mutex=0xa5ceff8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb4dafb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa58b050, th=0xa7dc238) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb4db296b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa5bad00, th=0xa7dc238) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb4daf6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa58b050, th=0xa7dc238) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb4db2ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7dc238) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7dc238, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb4db2ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7dc238) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7dc238, previous=0xb291740) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb4db1524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa02a51d4, parent=0xa58b050, th=th@entry=0xa7dc238) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb4db15da in ThreadWeaver::Thread::run (this=0xa7dc238) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb582ca58 in QThreadPrivate::start (arg=0xa7dc238) at thread/qthread_unix.cpp:338
#15 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#16 0x5c8b0824 in ?? ()
#17 0xbab80424 in ?? ()
#18 0x65000000 in ?? ()
#19 0x001015ff in ?? ()
#20 0xd3890000 in ?? ()
#21 0xfff0013d in ?? ()
#22 0xc30173ff in ?? ()
#23 0x0fc3d2e8 in ?? ()
#24 0xbbc18100 in ?? ()
#25 0x8b001774 in ?? ()
#26 0xfffefc89 in ?? ()
#27 0x29d231ff in ?? ()
#28 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 13 (Thread 0x9faa4b40 (LWP 26745)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb582d030 in wait (time=4294967295, this=0xa5be988) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa58b068, mutex=0xa5ceff8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb4dafb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa58b050, th=0xa7e2118) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb4db296b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa5bad00, th=0xa7e2118) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb4daf6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa58b050, th=0xa7e2118) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb4db2ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7e2118) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7e2118, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb4db2ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7e2118) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7e2118, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb4db2ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7e2118) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7e2118, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb4db2ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa5bad00, th=0xa7e2118) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0xb4daf5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa58b050, th=0xa7e2118, previous=0xaa78bb0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0xb4db1524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x9faa41d4, parent=0xa58b050, th=th@entry=0xa7e2118) at ../../../threadweaver/Weaver/Thread.cpp:87
#17 0xb4db15da in ThreadWeaver::Thread::run (this=0xa7e2118) at ../../../threadweaver/Weaver/Thread.cpp:142
#18 0xb582ca58 in QThreadPrivate::start (arg=0xa7e2118) at thread/qthread_unix.cpp:338
#19 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#20 0x5c8b0824 in ?? ()
#21 0xbab80424 in ?? ()
#22 0x65000000 in ?? ()
#23 0x001015ff in ?? ()
#24 0xd3890000 in ?? ()
#25 0xfff0013d in ?? ()
#26 0xc30173ff in ?? ()
#27 0x0fc3d2e8 in ?? ()
#28 0xbbc18100 in ?? ()
#29 0x8b001774 in ?? ()
#30 0xfffefc89 in ?? ()
#31 0x29d231ff in ?? ()
#32 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 12 (Thread 0x9f066b40 (LWP 26746)):
#0  0xb4188dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb588afb5 in do_gettime (frac=0x9f065ec0, sec=0x9f065eb8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb597236e in QTimerInfoList::updateCurrentTime (this=0xa8103274) at kernel/qeventdispatcher_unix.cpp:343
#4  0x7fffffff in ?? ()
#5  0xb59726fa in QTimerInfoList::timerWait (this=0xa8103274, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x7fffffff in ?? ()

Thread 11 (Thread 0x9e81eb40 (LWP 26747)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb38060e9 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb38061df in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x5c8b0824 in ?? ()
#7  0xbab80424 in ?? ()
#8  0x65000000 in ?? ()
#9  0x001015ff in ?? ()
#10 0xd3890000 in ?? ()
#11 0xfff0013d in ?? ()
#12 0xc30173ff in ?? ()
#13 0x0fc3d2e8 in ?? ()
#14 0xbbc18100 in ?? ()
#15 0x8b001774 in ?? ()
#16 0xfffefc89 in ?? ()
#17 0x29d231ff in ?? ()
#18 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 10 (Thread 0x9def5b40 (LWP 26748)):
#0  0xb4188dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb588afb5 in do_gettime (frac=0x9def4f30, sec=0x9def4f28) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb597236e in QTimerInfoList::updateCurrentTime (this=0xa1a320c) at kernel/qeventdispatcher_unix.cpp:343
#4  0x0a1a320c in ?? ()

Thread 9 (Thread 0x9ce4cb40 (LWP 26751)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb48241cd in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb48241ff in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x5c8b0824 in ?? ()
#7  0xbab80424 in ?? ()
#8  0x65000000 in ?? ()
#9  0x001015ff in ?? ()
#10 0xd3890000 in ?? ()
#11 0xfff0013d in ?? ()
#12 0xc30173ff in ?? ()
#13 0x0fc3d2e8 in ?? ()
#14 0xbbc18100 in ?? ()
#15 0x8b001774 in ?? ()
#16 0xfffefc89 in ?? ()
#17 0x29d231ff in ?? ()
#18 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 8 (Thread 0x93bf6b40 (LWP 26760)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb43a2056 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1c7c025 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#5  0xb1c7cfb8 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#6  0xb4386ce8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb4386303 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x5c8b0824 in ?? ()
#10 0xbab80424 in ?? ()
#11 0x65000000 in ?? ()
#12 0x001015ff in ?? ()
#13 0xd3890000 in ?? ()
#14 0xfff0013d in ?? ()
#15 0xc30173ff in ?? ()
#16 0x0fc3d2e8 in ?? ()
#17 0xbbc18100 in ?? ()
#18 0x8b001774 in ?? ()
#19 0xfffefc89 in ?? ()
#20 0x29d231ff in ?? ()
#21 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 7 (Thread 0x933f5b40 (LWP 26762)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb43a2056 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1c7c025 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#5  0xb1c7cfb8 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#6  0xb4386ce8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb4386303 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x5c8b0824 in ?? ()
#10 0xbab80424 in ?? ()
#11 0x65000000 in ?? ()
#12 0x001015ff in ?? ()
#13 0xd3890000 in ?? ()
#14 0xfff0013d in ?? ()
#15 0xc30173ff in ?? ()
#16 0x0fc3d2e8 in ?? ()
#17 0xbbc18100 in ?? ()
#18 0x8b001774 in ?? ()
#19 0xfffefc89 in ?? ()
#20 0x29d231ff in ?? ()
#21 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 6 (Thread 0x92bf4b40 (LWP 26763)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb43a2056 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xa82d9d4a in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#5  0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#6  0xb1c3b774 in gst_proxy_pad_chain_default () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#7  0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#8  0xa82e9223 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#9  0xa82e97d9 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#10 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#11 0xa82db31f in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#12 0xb1c7be10 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#13 0xb1c7cfb8 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#14 0xb4386ce8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#15 0xb4386303 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#16 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#17 0x5c8b0824 in ?? ()
#18 0xbab80424 in ?? ()
#19 0x65000000 in ?? ()
#20 0x001015ff in ?? ()
#21 0xd3890000 in ?? ()
#22 0xfff0013d in ?? ()
#23 0xc30173ff in ?? ()
#24 0x0fc3d2e8 in ?? ()
#25 0xbbc18100 in ?? ()
#26 0x8b001774 in ?? ()
#27 0xfffefc89 in ?? ()
#28 0x29d231ff in ?? ()
#29 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 5 (Thread 0x923f3b40 (LWP 26764)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb43a2056 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xa82d9d4a in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#5  0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#6  0xb1c3b774 in gst_proxy_pad_chain_default () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#7  0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#8  0xa82e9223 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#9  0xa82e97d9 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#10 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#11 0xb1c3b774 in gst_proxy_pad_chain_default () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#12 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#13 0xb1d1b0af in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#14 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#15 0xb1d1b0af in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#16 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#17 0xa82db31f in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#18 0xb1c7be10 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#19 0xb1c7cfb8 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#20 0xb4386ce8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#21 0xb4386303 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#23 0x5c8b0824 in ?? ()
#24 0xbab80424 in ?? ()
#25 0x65000000 in ?? ()
#26 0x001015ff in ?? ()
#27 0xd3890000 in ?? ()
#28 0xfff0013d in ?? ()
#29 0xc30173ff in ?? ()
#30 0x0fc3d2e8 in ?? ()
#31 0xbbc18100 in ?? ()
#32 0x8b001774 in ?? ()
#33 0xfffefc89 in ?? ()
#34 0x29d231ff in ?? ()
#35 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 4 (Thread 0x91bf2b40 (LWP 26765)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb43a2056 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xa82d9d4a in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#5  0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#6  0xb1c3b774 in gst_proxy_pad_chain_default () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#7  0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#8  0xa82e95a9 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#9  0xa82e97d9 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#10 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#11 0xb1c3b774 in gst_proxy_pad_chain_default () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#12 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#13 0xb1d1b0af in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#14 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#15 0xb1d1b0af in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#16 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#17 0xa82db31f in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#18 0xb1c7be10 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#19 0xb1c7cfb8 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#20 0xb4386ce8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#21 0xb4386303 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#23 0x5c8b0824 in ?? ()
#24 0xbab80424 in ?? ()
#25 0x65000000 in ?? ()
#26 0x001015ff in ?? ()
#27 0xd3890000 in ?? ()
#28 0xfff0013d in ?? ()
#29 0xc30173ff in ?? ()
#30 0x0fc3d2e8 in ?? ()
#31 0xbbc18100 in ?? ()
#32 0x8b001774 in ?? ()
#33 0xfffefc89 in ?? ()
#34 0x29d231ff in ?? ()
#35 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 3 (Thread 0x913f1b40 (LWP 26766)):
#0  0xb1758de0 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#1  0x0001247c in ?? ()
#2  0x00000000 in ?? ()

Thread 2 (Thread 0x90bf0b40 (LWP 26767)):
#0  0xb772c424 in __kernel_vsyscall ()
#1  0xb465e96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb560f64c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb43a2056 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1d0254b in gst_base_sink_wait_preroll () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#5  0xa8b23f7c in ?? () from /usr/lib/i386-linux-gnu/libgstaudio-0.10.so.0
#6  0xb1d05639 in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#7  0xb1d0950b in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#8  0xb1d09b90 in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#9  0xb1d09fee in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#10 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#11 0xb1d1b0af in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#12 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#13 0xb1d1b0af in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#14 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#15 0xb1d1b0af in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0
#16 0xb1c520c8 in gst_pad_push () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#17 0xa82db31f in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so
#18 0xb1c7be10 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#19 0xb1c7cfb8 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0
#20 0xb4386ce8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#21 0xb4386303 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb17580e1 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#23 0x5c8b0824 in ?? ()
#24 0xbab80424 in ?? ()
#25 0x65000000 in ?? ()
#26 0x001015ff in ?? ()
#27 0xd3890000 in ?? ()
#28 0xfff0013d in ?? ()
#29 0xc30173ff in ?? ()
#30 0x0fc3d2e8 in ?? ()
#31 0xbbc18100 in ?? ()
#32 0x8b001774 in ?? ()
#33 0xfffefc89 in ?? ()
#34 0x29d231ff in ?? ()
#35 0x0d0365c2 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xaf5f3740 (LWP 26730)):
[KCrash Handler]
#7  0xa0f4198e in ScrobblerAdapter::copyTrackMetadata (this=this@entry=0x0, to=..., track=...) at ../../../../src/services/lastfm/ScrobblerAdapter.cpp:273
#8  0xa0f4220c in ScrobblerAdapter::loveTrack (this=0x0, track=...) at ../../../../src/services/lastfm/ScrobblerAdapter.cpp:141
#9  0xa0f364e3 in LastFmService::love (this=this@entry=0xa752600, track=...) at ../../../../src/services/lastfm/LastFmService.cpp:499
#10 0xa0f36538 in LastFmService::love (this=0xa752600) at ../../../../src/services/lastfm/LastFmService.cpp:492
#11 0xa0f30914 in qt_static_metacall (_a=0xbff77fb8, _id=0, _o=0xa752600, _c=<optimized out>) at moc_LastFmService.cpp:121
#12 LastFmService::qt_static_metacall (_o=0xa752600, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbff77fb8) at moc_LastFmService.cpp:115
#13 0xb5957ed6 in QMetaObject::activate (sender=0xa7645d8, m=0xb68203b8 <QAction::staticMetaObject>, local_signal_index=1, argv=0xbff77fb8) at kernel/qobject.cpp:3547
#14 0xb5ea510d in QAction::triggered (this=this@entry=0xa7645d8, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#15 0xb5ea53ac in QAction::activate (this=0xa7645d8, event=QAction::Trigger) at kernel/qaction.cpp:1257
#16 0xb63a12d0 in trigger (this=<optimized out>) at ../../include/QtGui/../../src/gui/kernel/qaction.h:218
#17 QToolButton::nextCheckState (this=0xa252020) at widgets/qtoolbutton.cpp:1144
#18 0xb62cbee7 in QAbstractButtonPrivate::click (this=this@entry=0xb4ebc90) at widgets/qabstractbutton.cpp:530
#19 0xb62cc1e6 in QAbstractButton::mouseReleaseEvent (this=0xa252020, e=0xbff78704) at widgets/qabstractbutton.cpp:1123
#20 0xb63a136d in QToolButton::mouseReleaseEvent (this=0xa252020, e=0xbff78704) at widgets/qtoolbutton.cpp:718
#21 0xb5f056df in QWidget::event (this=0xa252020, event=0xbff78704) at kernel/qwidget.cpp:8371
#22 0xb62cb5a2 in QAbstractButton::event (this=0xa252020, e=0xbff78704) at widgets/qabstractbutton.cpp:1082
#23 0xb63a2a4d in QToolButton::event (this=0xa252020, event=0xbff78704) at widgets/qtoolbutton.cpp:1160
#24 0xb5eac39c in QApplicationPrivate::notify_helper (this=0xa0c3100, receiver=0xa252020, e=0xbff78704) at kernel/qapplication.cpp:4562
#25 0xb5eb1892 in QApplication::notify (this=0xa0c3100, receiver=0xa252020, e=0xbff78704) at kernel/qapplication.cpp:4105
#26 0xb74bee91 in KApplication::notify (this=0xbff7979c, receiver=0xa252020, event=0xbff78704) at ../../kdeui/kernel/kapplication.cpp:311
#27 0xb593f78e in QCoreApplication::notifyInternal (this=0xbff7979c, receiver=0xa252020, event=0xbff78704) at kernel/qcoreapplication.cpp:915
#28 0xb5ead206 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QApplicationPrivate::sendMouseEvent (receiver=0xa252020, event=0xbff78704, alienWidget=0xa252020, nativeWidget=0xa8202e8, buttonDown=0xb683dd14 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3173
#30 0xb5f38a75 in QETWidget::translateMouseEvent (this=0xa8202e8, event=0xbff78b2c) at kernel/qapplication_x11.cpp:4622
#31 0xb5f37705 in QApplication::x11ProcessEvent (this=0xbff7979c, event=0xbff78b2c) at kernel/qapplication_x11.cpp:3737
#32 0xb5f62dc4 in x11EventSourceDispatch (s=0xa0c9ce8, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb43609e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#34 0xb4360d80 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#35 0xb4360e61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#36 0xb5971981 in QEventDispatcherGlib::processEvents (this=0x9f81eb8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0xb5f629aa in QGuiEventDispatcherGlib::processEvents (this=0x9f81eb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0xb593e26c in QEventLoop::processEvents (this=this@entry=0xbff78e28, flags=...) at kernel/qeventloop.cpp:149
#39 0xb593e561 in QEventLoop::exec (this=0xbff78e28, flags=...) at kernel/qeventloop.cpp:204
#40 0xb5943cba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#41 0xb5ea9fc4 in QApplication::exec () at kernel/qapplication.cpp:3823
#42 0x080500df in main (argc=3, argv=0xbff79884) at ../../src/main.cpp:329

Reported using DrKonqi
Comment 1 Matěj Laitl 2012-12-17 22:07:43 UTC 
Git commit 9b18527d2fe90e4aa214d10c428d84bc0af05570 by Matěj Laitl.
Committed on 17/12/2012 at 22:59.
Pushed by laitl into branch 'master'.

LastFmService: prevent crash when loving a track with uninitialized Last.fm

Spotted by tucnak, a GCI student, kudos to you!
FIXED-IN: 2.7

M  +1    -0    ChangeLog
M  +2    -2    src/services/lastfm/LastFmService.cpp

http://commits.kde.org/amarok/9b18527d2fe90e4aa214d10c428d84bc0af05570