Bug 295187

Application: rekonq (0.9.50)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.8.0
Operating System: Linux 3.2.7-1.fc16.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

Deleting a folder from the bookmark toolbar caused a crash every time.

The crash can be reproduced every time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fce2a8b0840 (LWP 4198))]

Thread 9 (Thread 0x7fce1e7d2700 (LWP 4199)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x000000346e9b86ec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x346f37cc20) at ../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:2495
#2  0x000000346e9b8819 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:1618
#3  0x000000344be07d90 in start_thread (arg=0x7fce1e7d2700) at pthread_create.c:309
#4  0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 8 (Thread 0x7fce1de09700 (LWP 4200)):
#0  0x000000344bae85c3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x000000344b644fd8 in g_main_context_poll (n_fds=1, fds=0x7fce180013e0, priority=<optimized out>, timeout=9231, context=0x7fce180009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7fce180009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x000000344b64549c in g_main_context_iteration (context=0x7fce180009a0, may_block=1) at gmain.c:3152
#4  0x00000034547a7dc6 in QEventDispatcherGlib::processEvents (this=0x7fce180008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003454778182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000034547783d7 in QEventLoop::exec (this=0x7fce1de08d40, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003454678b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x000000345467bb6b in QThreadPrivate::start (arg=0xf89530) at thread/qthread_unix.cpp:298
#9  0x000000344be07d90 in start_thread (arg=0x7fce1de09700) at pthread_create.c:309
#10 0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 7 (Thread 0x7fce1cd76700 (LWP 4201)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x000000346bb84e62 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x346be7e240) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x000000346bb84e99 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x000000344be07d90 in start_thread (arg=0x7fce1cd76700) at pthread_create.c:309
#4  0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 6 (Thread 0x7fce177c6700 (LWP 4202)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x000000345467c07b in wait (time=18446744073709551615, this=0xdafa20) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xdb5450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x000000346580aa8b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xdb5280, th=0xfe60b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x000000346580d37b in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0xfe60b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x000000346580d394 in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0xfe60b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x000000346580d394 in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0xfe60b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x000000346580d394 in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0xfe60b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x000000346580c1ef in ThreadWeaver::ThreadRunHelper::run (this=0x7fce177c5d60, parent=0xdb5280, th=0xfe60b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:87
#9  0x000000346580c27b in ThreadWeaver::Thread::run (this=0xfe60b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:142
#10 0x000000345467bb6b in QThreadPrivate::start (arg=0xfe60b0) at thread/qthread_unix.cpp:298
#11 0x000000344be07d90 in start_thread (arg=0x7fce177c6700) at pthread_create.c:309
#12 0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7fce14fb0700 (LWP 4219)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x000000345467c07b in wait (time=18446744073709551615, this=0xdafa20) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xdb5450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x000000346580aa8b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xdb5280, th=0x19451b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x000000346580d37b in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0x19451b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x000000346580d394 in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0x19451b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x000000346580c1ef in ThreadWeaver::ThreadRunHelper::run (this=0x7fce14fafd60, parent=0xdb5280, th=0x19451b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:87
#7  0x000000346580c27b in ThreadWeaver::Thread::run (this=0x19451b0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:142
#8  0x000000345467bb6b in QThreadPrivate::start (arg=0x19451b0) at thread/qthread_unix.cpp:298
#9  0x000000344be07d90 in start_thread (arg=0x7fce14fb0700) at pthread_create.c:309
#10 0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x7fcdcffff700 (LWP 4220)):
#0  0x000000344be09de5 in __pthread_mutex_lock (mutex=0x7fcdc40009a8) at pthread_mutex_lock.c:65
#1  0x000000344b6450b4 in g_main_context_iterate (context=0x7fcdc40009a0, block=1, dispatch=1, self=<optimized out>) at gmain.c:3055
#2  0x000000344b64549c in g_main_context_iteration (context=0x7fcdc40009a0, may_block=1) at gmain.c:3152
#3  0x00000034547a7dc6 in QEventDispatcherGlib::processEvents (this=0x7fcdc40008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#4  0x0000003454778182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00000034547783d7 in QEventLoop::exec (this=0x7fcdcfffed10, flags=...) at kernel/qeventloop.cpp:204
#6  0x0000003454678b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x000000345c9b3b0e in KIO::NameLookUpThread::run (this=0x7fce10013100) at /usr/src/debug/kdelibs-4.7.4/kio/kio/hostinfo.cpp:226
#8  0x000000345467bb6b in QThreadPrivate::start (arg=0x7fce10013100) at thread/qthread_unix.cpp:298
#9  0x000000344be07d90 in start_thread (arg=0x7fcdcffff700) at pthread_create.c:309
#10 0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7fcdcefd9700 (LWP 4223)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x000000345467c07b in wait (time=18446744073709551615, this=0xdafa20) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xdb5450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x000000346580aa8b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xdb5280, th=0x1a52710) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x000000346580d37b in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0x1a52710) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x000000346580d394 in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0x1a52710) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x000000346580d394 in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0x1a52710) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x000000346580c1ef in ThreadWeaver::ThreadRunHelper::run (this=0x7fcdcefd8d60, parent=0xdb5280, th=0x1a52710) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:87
#8  0x000000346580c27b in ThreadWeaver::Thread::run (this=0x1a52710) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:142
#9  0x000000345467bb6b in QThreadPrivate::start (arg=0x1a52710) at thread/qthread_unix.cpp:298
#10 0x000000344be07d90 in start_thread (arg=0x7fcdcefd9700) at pthread_create.c:309
#11 0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7fcdcdce6700 (LWP 4229)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x000000345467c07b in wait (time=18446744073709551615, this=0xdafa20) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xdb5450, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x000000346580aa8b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xdb5280, th=0x16665c0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x000000346580d37b in ThreadWeaver::WorkingHardState::applyForWork (this=0xdb54b0, th=0x16665c0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x000000346580c1ef in ThreadWeaver::ThreadRunHelper::run (this=0x7fcdcdce5d60, parent=0xdb5280, th=0x16665c0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:87
#6  0x000000346580c27b in ThreadWeaver::Thread::run (this=0x16665c0) at /usr/src/debug/kdelibs-4.7.4/threadweaver/Weaver/Thread.cpp:142
#7  0x000000345467bb6b in QThreadPrivate::start (arg=0x16665c0) at thread/qthread_unix.cpp:298
#8  0x000000344be07d90 in start_thread (arg=0x7fcdcdce6700) at pthread_create.c:309
#9  0x000000344baf0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fce2a8b0840 (LWP 4198)):
[KCrash Handler]
#6  QWebView::page (this=0x0) at ../../../../Source/WebKit/qt/Api/qwebview.cpp:337
#7  0x00007fce2a9a91c9 in WebView::page (this=<optimized out>) at /home/ivo/Downloads/rekonq/src/webview.cpp:135
#8  0x00007fce2a9b0095 in page (this=0x13d4740) at /home/ivo/Downloads/rekonq/src/webtab.h:71
#9  WebTab::url (this=0x13d4740) at /home/ivo/Downloads/rekonq/src/webtab.cpp:108
#10 0x00007fce2a9de1c6 in UrlBar::loadFinished (this=0x1640b40) at /home/ivo/Downloads/rekonq/src/urlbar/urlbar.cpp:354
#11 0x00007fce2a9ded05 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /home/ivo/Downloads/rekonq/build/src/urlbar.moc:162
#12 UrlBar::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /home/ivo/Downloads/rekonq/build/src/urlbar.moc:151
#13 0x000000345478cce1 in QMetaObject::activate (sender=0xe31550, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#14 0x00007fce2a9c8be0 in BookmarkManager::slotBookmarksChanged (this=0xe31550) at /home/ivo/Downloads/rekonq/src/bookmarks/bookmarkmanager.cpp:197
#15 0x000000345478cce1 in QMetaObject::activate (sender=0xe31910, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd3cbc760) at kernel/qobject.cpp:3547
#16 0x000000345c9ca24a in KBookmarkManager::changed (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/x86_64-redhat-linux-gnu/kio/kbookmarkmanager.moc:153
#17 0x000000345c9cb94b in KBookmarkManager::notifyChanged (this=0xe31910, groupAddress=..., msg=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/kio/bookmarks/kbookmarkmanager.cc:600
#18 0x000000345c9cd68d in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/x86_64-redhat-linux-gnu/kio/kbookmarkmanager.moc:82
#19 KBookmarkManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/x86_64-redhat-linux-gnu/kio/kbookmarkmanager.moc:67
#20 0x000000345c9cd6fb in KBookmarkManager::qt_metacall (this=0xe31910, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffd3cbc9f0) at /usr/src/debug/kdelibs-4.7.4/x86_64-redhat-linux-gnu/kio/kbookmarkmanager.moc:123
#21 0x0000003456022d8b in QDBusConnectionPrivate::deliverCall (this=0xbdac70, object=0xe31910, msg=..., metaTypes=..., slotIdx=13) at qdbusintegrator.cpp:947
#22 0x0000003454791f16 in QObject::event (this=0xe31910, e=<optimized out>) at kernel/qobject.cpp:1195
#23 0x0000003458fc9994 in notify_helper (e=0x12d6460, receiver=0xe31910, this=0xbec800) at kernel/qapplication.cpp:4550
#24 QApplicationPrivate::notify_helper (this=0xbec800, receiver=0xe31910, e=0x12d6460) at kernel/qapplication.cpp:4522
#25 0x0000003458fce813 in QApplication::notify (this=0x7fffd3cbd420, receiver=0xe31910, e=0x12d6460) at kernel/qapplication.cpp:4411
#26 0x000000345ae50766 in KApplication::notify (this=0x7fffd3cbd420, receiver=0xe31910, event=0x12d6460) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#27 0x000000345477904c in QCoreApplication::notifyInternal (this=0x7fffd3cbd420, receiver=0xe31910, event=0x12d6460) at kernel/qcoreapplication.cpp:876
#28 0x000000345477cada in sendEvent (event=0x12d6460, receiver=0xe31910) at kernel/qcoreapplication.h:231
#29 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xbc04d0) at kernel/qcoreapplication.cpp:1500
#30 0x00000034547a7933 in sendPostedEvents () at kernel/qcoreapplication.h:236
#31 postEventSourceDispatch (s=0xbf7200) at kernel/qeventdispatcher_glib.cpp:279
#32 0x000000344b644acd in g_main_dispatch (context=0xbf59e0) at gmain.c:2441
#33 g_main_context_dispatch (context=0xbf59e0) at gmain.c:3011
#34 0x000000344b6452c8 in g_main_context_iterate (context=0xbf59e0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#35 0x000000344b64549c in g_main_context_iteration (context=0xbf59e0, may_block=1) at gmain.c:3152
#36 0x00000034547a7d5f in QEventDispatcherGlib::processEvents (this=0xbc1990, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#37 0x000000345906c66e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#38 0x0000003454778182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00000034547783d7 in QEventLoop::exec (this=0x7fffd3cbd3b0, flags=...) at kernel/qeventloop.cpp:204
#40 0x000000345477cdd5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#41 0x00007fce2aa0c4de in kdemain (argc=1, argv=<optimized out>) at /home/ivo/Downloads/rekonq/src/main.cpp:180
#42 0x000000344ba2169d in __libc_start_main (main=0x4007a0 <main(int, char**)>, argc=1, ubp_av=0x7fffd3cbdbd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd3cbdbc8) at libc-start.c:226
#43 0x00000000004007d1 in _start ()

This bug may be a duplicate of or related to bug 268248.

Possible duplicates by query: bug 279709, bug 274445, bug 268248.

Reported using DrKonqi