Bug 293435

Application: nepomukservicestub (0.2)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.8.0
Operating System: Linux 3.2.3-2.fc16.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

Started computer, logged into KDE.  Nepomuk crashed on a double free of heap allocated memory.

-- Backtrace:
Application: Nepomuk Service Stub (nepomukservicestub), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fd74c2cf840 (LWP 1611))]

Thread 4 (Thread 0x7fd73ff3d700 (LWP 1613)):
#0  0x00000037c5ee8933 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x0000003577d563cf in QProcessManager::run (this=0x35780ce040) at io/qprocess_unix.cpp:244
#2  0x0000003577c7bb6b in QThreadPrivate::start (arg=0x35780ce040) at thread/qthread_unix.cpp:298
#3  0x00000037c6207d90 in start_thread (arg=0x7fd73ff3d700) at pthread_create.c:309
#4  0x00000037c5eef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7fd73f3d7700 (LWP 1817)):
[KCrash Handler]
#6  0x00000037c5e36285 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00000037c5e37b9b in __GI_abort () at abort.c:91
#8  0x00000037c5e75fae in __libc_message (do_abort=2, fmt=0x37c5f74b98 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:198
#9  0x00000037c5e7c2d6 in malloc_printerr (action=3, str=0x37c5f74cd0 "double free or corruption (fasttop)", ptr=<optimized out>) at malloc.c:5021
#10 0x0000003577cc5e5c in QString::free (d=0x7fd730009390) at tools/qstring.cpp:1232
#11 0x0000003577d30e6d in ~QString (this=0x7fd73f3d69b0, __in_chrg=<optimized out>) at ../../src/corelib/tools/qstring.h:880
#12 QUrlPrivate::normalized (this=0x7fd730008fd0) at io/qurl.cpp:4055
#13 0x0000003577d31515 in QUrl::operator== (this=0x7fd73f3d6a70, url=...) at io/qurl.cpp:6038
#14 0x000000357ca462be in Soprano::Node::operator== (this=<optimized out>, other=...) at /usr/src/debug/soprano-2.7.4/soprano/node.cpp:333
#15 0x00007fd7401a5d7b in Soprano::Virtuoso::QueryResultIteratorBackend::binding (this=0x7fd730007120, offset=0) at /usr/src/debug/soprano-2.7.4/backends/virtuoso/virtuosoqueryresultiteratorbackend.cpp:201
#16 0x00007fd7401a57a8 in Soprano::Virtuoso::QueryResultIteratorBackend::next (this=0x7fd730007120) at /usr/src/debug/soprano-2.7.4/backends/virtuoso/virtuosoqueryresultiteratorbackend.cpp:146
#17 0x000000357ca44fe9 in Soprano::Iterator<Soprano::BindingSet>::next (this=0x7fd73f3d6c20) at /usr/src/debug/soprano-2.7.4/soprano/iterator.h:239
#18 0x000000357ca456fc in Soprano::Iterator<Soprano::BindingSet>::allElements (this=0x7fd73f3d6c20) at /usr/src/debug/soprano-2.7.4/soprano/iterator.h:280
#19 0x000000357ca44d89 in Soprano::QueryResultIterator::allBindings (this=<optimized out>) at /usr/src/debug/soprano-2.7.4/soprano/queryresultiterator.cpp:77
#20 0x00007fd741c5b5e5 in Nepomuk::GraphMaintainer::run (this=0x12d6080) at /usr/src/debug/kde-runtime-4.7.4/nepomuk/services/storage/graphmaintainer.cpp:68
#21 0x0000003577c7bb6b in QThreadPrivate::start (arg=0x12d6080) at thread/qthread_unix.cpp:298
#22 0x00000037c6207d90 in start_thread (arg=0x7fd73f3d7700) at pthread_create.c:309
#23 0x00000037c5eef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7fd73ebd6700 (LWP 1819)):
#0  0x00000037c5ee6af3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003776444fd8 in g_main_context_poll (n_fds=2, fds=0x7fd734002450, priority=<optimized out>, timeout=-1, context=0x7fd7340009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7fd7340009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x000000377644549c in g_main_context_iteration (context=0x7fd7340009a0, may_block=1) at gmain.c:3152
#4  0x0000003577da7d5f in QEventDispatcherGlib::processEvents (this=0x7fd7340008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x0000003577d78182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003577d783d7 in QEventLoop::exec (this=0x7fd73ebd5d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003577c78b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x0000003577d57e7f in QInotifyFileSystemWatcherEngine::run (this=0x12d8070) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0000003577c7bb6b in QThreadPrivate::start (arg=0x12d8070) at thread/qthread_unix.cpp:298
#10 0x00000037c6207d90 in start_thread (arg=0x7fd73ebd6700) at pthread_create.c:309
#11 0x00000037c5eef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fd74c2cf840 (LWP 1611)):
#0  0x00000037c620e62d in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00000037ce20852f in read (__nbytes=<optimized out>, __buf=<optimized out>, __fd=<optimized out>) at /usr/include/bits/unistd.h:45
#2  _IceTransSocketRead (ciptr=<optimized out>, buf=<optimized out>, size=<optimized out>) at /usr/include/X11/Xtrans/Xtranssock.c:2133
#3  0x00000037ce20d1d0 in _IceRead (iceConn=0x1174b00, nbytes=<optimized out>, ptr=0x1127f51 "\003") at misc.c:228
#4  0x00000037ce211461 in IceProcessMessages (iceConn=0x1174b00, replyWait=0x0, replyReadyRet=0x0) at process.c:151
#5  0x0000003577d8cce1 in QMetaObject::activate (sender=0x1123b70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff9db9bbb0) at kernel/qobject.cpp:3547
#6  0x0000003577dd982e in QSocketNotifier::activated (this=<optimized out>, _t1=8) at .moc/release-shared/moc_qsocketnotifier.cpp:103
#7  0x0000003577d9608b in QSocketNotifier::event (this=0x1123b70, e=0x7fff9db9c220) at kernel/qsocketnotifier.cpp:317
#8  0x00000033353c9994 in notify_helper (e=0x7fff9db9c220, receiver=0x1123b70, this=0x10bc4e0) at kernel/qapplication.cpp:4550
#9  QApplicationPrivate::notify_helper (this=0x10bc4e0, receiver=0x1123b70, e=0x7fff9db9c220) at kernel/qapplication.cpp:4522
#10 0x00000033353ce813 in QApplication::notify (this=0x7fff9db9c5f0, receiver=0x1123b70, e=0x7fff9db9c220) at kernel/qapplication.cpp:4411
#11 0x0000003336a50766 in KApplication::notify (this=0x7fff9db9c5f0, receiver=0x1123b70, event=0x7fff9db9c220) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#12 0x0000003577d7904c in QCoreApplication::notifyInternal (this=0x7fff9db9c5f0, receiver=0x1123b70, event=0x7fff9db9c220) at kernel/qcoreapplication.cpp:876
#13 0x0000003577da73b7 in sendEvent (event=0x7fff9db9c220, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#14 socketNotifierSourceDispatch (source=0x10be390) at kernel/qeventdispatcher_glib.cpp:110
#15 0x0000003776444acd in g_main_dispatch (context=0x10be220) at gmain.c:2441
#16 g_main_context_dispatch (context=0x10be220) at gmain.c:3011
#17 0x00000037764452c8 in g_main_context_iterate (context=0x10be220, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#18 0x000000377644549c in g_main_context_iteration (context=0x10be220, may_block=1) at gmain.c:3152
#19 0x0000003577da7d5f in QEventDispatcherGlib::processEvents (this=0x10977a0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#20 0x000000333546c66e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#21 0x0000003577d78182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#22 0x0000003577d783d7 in QEventLoop::exec (this=0x7fff9db9c460, flags=...) at kernel/qeventloop.cpp:204
#23 0x0000003577d7cdd5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#24 0x0000000000403a10 in main (argc=2, argv=0x7fff9db9ca98) at /usr/src/debug/kde-runtime-4.7.4/nepomuk/servicestub/main.cpp:170

Possible duplicates by query: bug 292421, bug 292022, bug 291567, bug 291451, bug 291396.

Reported using DrKonqi