Bug 315381

Application: kmail (4.10)
KDE Platform Version: 4.10.00
Qt Version: 4.8.3
Operating System: Linux 3.5.0-23-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:
kmail crashed without any reason.  After restart crashes again.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:93
[Current thread is 1 (Thread 0x7f0b8f4127c0 (LWP 4408))]

Thread 3 (Thread 0x7f0b85fbb700 (LWP 4631)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f0b9a85bb2d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f0b9a85bc39 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f0ba3ac8e9a in start_thread (arg=0x7f0b85fbb700) at pthread_create.c:308
#4  0x00007f0ba6214cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f0b856ba700 (LWP 4632)):
[KCrash Handler]
#6  _int_free (av=0x7f0ba64d9740 <main_arena>, p=0xf18350, have_lock=0) at malloc.c:4005
#7  0x00007f0ba6abe3b8 in QString::free (d=0xf18360) at tools/qstring.cpp:1235
#8  0x00007f0ba4651949 in ~QString (this=0x115f890, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:880
#9  QDBusMessagePrivate::~QDBusMessagePrivate (this=0x115f870, __in_chrg=<optimized out>) at qdbusmessage.cpp:72
#10 0x00007f0ba4651a5f in QDBusMessage::~QDBusMessage (this=0x7f0ba64d9740 <main_arena>, __in_chrg=<optimized out>) at qdbusmessage.cpp:537
#11 0x00007f0ba464d77d in ~QDBusCallDeliveryEvent (this=0x11b0e80, __in_chrg=<optimized out>) at qdbusintegrator_p.h:93
#12 QDBusCallDeliveryEvent::~QDBusCallDeliveryEvent (this=0x11b0e80, __in_chrg=<optimized out>) at qdbusintegrator_p.h:93
#13 0x00007f0ba6b753fa in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xf16040) at kernel/qcoreapplication.cpp:1555
#14 0x00007f0ba6b9fa63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#15 postEventSourceDispatch (s=s@entry=0x7f0b800012d0) at kernel/qeventdispatcher_glib.cpp:279
#16 0x00007f0b9e427ab5 in g_main_dispatch (context=0x7f0b800009a0) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:2715
#17 g_main_context_dispatch (context=context@entry=0x7f0b800009a0) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3219
#18 0x00007f0b9e427de8 in g_main_context_iterate (context=context@entry=0x7f0b800009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3290
#19 0x00007f0b9e427ea4 in g_main_context_iteration (context=0x7f0b800009a0, may_block=1) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3351
#20 0x00007f0ba6b9fc16 in QEventDispatcherGlib::processEvents (this=0x7f0b800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#21 0x00007f0ba6b702bf in QEventLoop::processEvents (this=this@entry=0x7f0b856b9dc0, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007f0ba6b70548 in QEventLoop::exec (this=0x7f0b856b9dc0, flags=...) at kernel/qeventloop.cpp:204
#23 0x00007f0ba6a71b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#24 0x00007f0ba6a74aec in QThreadPrivate::start (arg=0xf15c20) at thread/qthread_unix.cpp:338
#25 0x00007f0ba3ac8e9a in start_thread (arg=0x7f0b856ba700) at pthread_create.c:308
#26 0x00007f0ba6214cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#27 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0b8f4127c0 (LWP 4408)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:93
#1  0x00007f0ba61a6221 in _L_lock_10625 () at malloc.c:5209
#2  0x00007f0ba61a3fa7 in __GI___libc_malloc (bytes=139688011470656) at malloc.c:2921
#3  0x00007f0ba8ccc910 in _dl_map_object_deps (map=0x7f0ba8eb89e8, preloads=<optimized out>, npreloads=<optimized out>, trace_mode=0, open_mode=-2147483648) at dl-deps.c:517
#4  0x00007f0ba8cd28b9 in dl_open_worker (a=0x7fff3f241ef0) at dl-open.c:262
#5  0x00007f0ba8cce186 in _dl_catch_error (objname=0x7fff3f241f38, errstring=0x7fff3f241f40, mallocedp=0x7fff3f241f4f, operate=0x7f0ba8cd2710 <dl_open_worker>, args=0x7fff3f241ef0) at dl-error.c:178
#6  0x00007f0ba8cd232a in _dl_open (file=0x7f0ba629a2b8 "libgcc_s.so.1", mode=-2147483647, caller_dlopen=0x7f0ba622b915 <init+21>, nsid=-2, argc=3, argv=<optimized out>, env=0xbc95e0) at dl-open.c:639
#7  0x00007f0ba6251622 in do_dlopen (ptr=0x7fff3f2420f0) at dl-libc.c:89
#8  0x00007f0ba8cce186 in _dl_catch_error (objname=0x7fff3f242120, errstring=0x7fff3f242110, mallocedp=0x7fff3f24212f, operate=0x7f0ba62515e0 <do_dlopen>, args=0x7fff3f2420f0) at dl-error.c:178
#9  0x00007f0ba62516e4 in dlerror_run (args=0x7fff3f2420f0, operate=0x7f0ba62515e0 <do_dlopen>) at dl-libc.c:48
#10 __GI___libc_dlopen_mode (name=<optimized out>, mode=<optimized out>) at dl-libc.c:165
#11 0x00007f0ba622b915 in init () at ../sysdeps/x86_64/../ia64/backtrace.c:53
#12 0x00007f0ba3ace400 in pthread_once () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S:104
#13 0x00007f0ba622ba34 in __GI___backtrace (array=<optimized out>, size=64) at ../sysdeps/x86_64/../ia64/backtrace.c:104
#14 0x00007f0ba61953af in __libc_message (do_abort=2, fmt=0x7f0ba629f028 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:180
#15 0x00007f0ba619fb96 in malloc_printerr (action=3, str=0x7f0ba629f3a8 "malloc(): memory corruption (fast)", ptr=<optimized out>) at malloc.c:5007
#16 0x00007f0ba61a23e8 in _int_malloc (av=0x7f0ba64d9740 <main_arena>, bytes=68) at malloc.c:3470
#17 0x00007f0ba61a3fb5 in __GI___libc_malloc (bytes=68) at malloc.c:2924
#18 0x00007f0ba6ab9865 in QString::QString (this=0x7fff3f242c90, size=18) at tools/qstring.cpp:1141
#19 0x00007f0ba6ba8ae1 in QUtf8::convertToUnicode (chars=<optimized out>, len=<optimized out>, state=0x0) at codecs/qutfcodec.cpp:183
#20 0x00007f0ba6abbbfb in QString::fromUtf8 (str=<optimized out>, size=<optimized out>) at tools/qstring.cpp:4020
#21 0x00007f0ba4651e78 in QDBusMessagePrivate::fromDBusMessage (dmsg=0x7f0b8001e7c0, capabilities=...) at qdbusmessage.cpp:237
#22 0x00007f0ba464ae8e in qDBusSignalFilter (connection=<optimized out>, message=<optimized out>, data=0xf17800) at qdbusintegrator.cpp:543
#23 0x00007f0b9ce48bde in dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#24 0x00007f0ba463eb49 in q_dbus_connection_dispatch (connection=<optimized out>) at qdbus_symbols_p.h:115
#25 QDBusConnectionPrivate::doDispatch (this=0xf17800) at qdbusintegrator.cpp:1129
#26 0x00007f0ba4642d75 in QDBusConnectionPrivate::socketRead (this=0xf17800, fd=12) at qdbusintegrator.cpp:1149
#27 0x00007f0ba6b86f5f in QMetaObject::activate (sender=0xf1b160, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff3f243060) at kernel/qobject.cpp:3547
#28 0x00007f0ba6bd179e in QSocketNotifier::activated (this=<optimized out>, _t1=12) at .moc/release-shared/moc_qsocketnotifier.cpp:103
#29 0x00007f0ba6b8e7eb in QSocketNotifier::event (this=0xf1b160, e=0x7fff3f243680) at kernel/qsocketnotifier.cpp:317
#30 0x00007f0ba7095e9c in QApplicationPrivate::notify_helper (this=this@entry=0xa13900, receiver=receiver@entry=0xf1b160, e=e@entry=0x7fff3f243680) at kernel/qapplication.cpp:4562
#31 0x00007f0ba709a30a in QApplication::notify (this=0x7fff3f243c40, receiver=0xf1b160, e=0x7fff3f243680) at kernel/qapplication.cpp:4423
#32 0x00007f0ba88a0636 in KApplication::notify (this=0x7fff3f243c40, receiver=0xf1b160, event=0x7fff3f243680) at ../../kdeui/kernel/kapplication.cpp:311
#33 0x00007f0ba6b7156e in QCoreApplication::notifyInternal (this=0x7fff3f243c40, receiver=0xf1b160, event=0x7fff3f243680) at kernel/qcoreapplication.cpp:915
#34 0x00007f0ba6b9f3f8 in sendEvent (event=0x7fff3f243680, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#35 socketNotifierSourceDispatch (source=source@entry=0xa17970) at kernel/qeventdispatcher_glib.cpp:110
#36 0x00007f0b9e427ab5 in g_main_dispatch (context=0xa17800) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:2715
#37 g_main_context_dispatch (context=context@entry=0xa17800) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3219
#38 0x00007f0b9e427de8 in g_main_context_iterate (context=context@entry=0xa17800, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3290
#39 0x00007f0b9e427ea4 in g_main_context_iteration (context=0xa17800, may_block=1) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3351
#40 0x00007f0ba6b9fbf6 in QEventDispatcherGlib::processEvents (this=0x9a6b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#41 0x00007f0ba713ac1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x00007f0ba6b702bf in QEventLoop::processEvents (this=this@entry=0x7fff3f2438c0, flags=...) at kernel/qeventloop.cpp:149
#43 0x00007f0ba6b70548 in QEventLoop::exec (this=0x7fff3f2438c0, flags=...) at kernel/qeventloop.cpp:204
#44 0x00007f0ba6b75708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#45 0x0000000000402c1d in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:146

Possible duplicates by query: bug 300614, bug 299581.

Reported using DrKonqi