Application: kontact ()

Qt Version: 5.5.1
Operating System: Linux 4.2.0-18-generic x86_64
Distribution: Ubuntu 15.10

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

Checking email on gmail, it seems to happen when changing folders.

The crash can be reproduced sometimes.

-- Backtrace:
Application: kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f74c891a880 (LWP 23819))]

Thread 10 (Thread 0x7f74bffff700 (LWP 23821)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e440dfeb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e440e029 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f74bffff700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f747cab4700 (LWP 23822)):
#0  0x00007f74e52f28dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f74deeea1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f74deeea2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f74e5e3750b in QEventDispatcherGlib::processEvents (this=0x7f74780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f74e5dde50a in QEventLoop::exec (this=this@entry=0x7f747cab3d40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f74e5bfaac4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f74e5bffa6e in QThreadPrivate::start (arg=0x1b36ea0) at thread/qthread_unix.cpp:331
#7  0x00007f74dfb676aa in start_thread (arg=0x7f747cab4700) at pthread_create.c:333
#8  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f7477fff700 (LWP 23823)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e411c0d4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e443dea1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f7477fff700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f74777fe700 (LWP 23824)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e411d103 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e443dea1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f74777fe700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f7476ffd700 (LWP 23825)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e411d103 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e443dea1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f7476ffd700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f74767fc700 (LWP 23826)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e411d103 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e443dea1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f74767fc700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f7475ffb700 (LWP 23827)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e411d103 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e443dea1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f7475ffb700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f74757fa700 (LWP 23828)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e411d103 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e443dea1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f74757fa700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f7474ff9700 (LWP 23829)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f74e411d103 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#2  0x00007f74e443dea1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f74dfb676aa in start_thread (arg=0x7f7474ff9700) at pthread_create.c:333
#4  0x00007f74e52fdeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f74c891a880 (LWP 23819)):
[KCrash Handler]
#6  QAbstractSlider::maximum (this=0x0) at widgets/qabstractslider.cpp:359
#7  0x00007f74e1778828 in KViewStateSerializerPrivate::restoreScrollBarState (this=0x4853ad0) at ../../src/kviewstateserializer.cpp:58
#8  KViewStateSerializer::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at ./moc_kviewstateserializer.cpp:74
#9  0x00007f74e5e107b1 in QObject::event (this=0x8a2c960, e=<optimized out>) at kernel/qobject.cpp:1239
#10 0x00007f74e66d59dc in QApplicationPrivate::notify_helper (this=this@entry=0x1a0af20, receiver=receiver@entry=0x8a2c960, e=e@entry=0x2cb7290) at kernel/qapplication.cpp:3716
#11 0x00007f74e66daea6 in QApplication::notify (this=0x7fffd0345a90, receiver=0x8a2c960, e=0x2cb7290) at kernel/qapplication.cpp:3499
#12 0x00007f74e5de0d7b in QCoreApplication::notifyInternal (this=0x7fffd0345a90, receiver=0x8a2c960, event=event@entry=0x2cb7290) at kernel/qcoreapplication.cpp:965
#13 0x00007f74e5de3176 in QCoreApplication::sendEvent (event=0x2cb7290, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#14 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x19e99a0) at kernel/qcoreapplication.cpp:1593
#15 0x00007f74e5de3658 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#16 0x00007f74e5e370e3 in postEventSourceDispatch (s=0x1a4fee0) at kernel/qeventdispatcher_glib.cpp:271
#17 0x00007f74deee9ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f74deeea250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f74deeea2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f74e5e374ef in QEventDispatcherGlib::processEvents (this=0x1a55af0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#21 0x00007f74e5dde50a in QEventLoop::exec (this=this@entry=0x7fffd0345800, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#22 0x00007f74e5de65ec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#23 0x00007f74e611ad1c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1530
#24 0x00007f74e66d1e15 in QApplication::exec () at kernel/qapplication.cpp:2976
#25 0x0000000000404b31 in main (argc=1, argv=0x7fffd0345be8) at ../../../kontact/src/main.cpp:220

Reported using DrKonqi