Application: kmail (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-13-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
Kmail was running in the background and crashed.
It ran fine after restarting.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb52374f800 (LWP 2914))]

Thread 5 (Thread 0x7fb4fdc51700 (LWP 3265)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb5154301cd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fb515430209 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fb51e399f6e in start_thread (arg=0x7fb4fdc51700) at pthread_create.c:311
#4  0x00007fb520ad19cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fb4fccb3700 (LWP 3273)):
#0  0x00007fb518c370ea in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb518c37399 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb518bf768a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb518bf77ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb522112a76 in QEventDispatcherGlib::processEvents (this=0x7fb4b00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fb5220e45ef in QEventLoop::processEvents (this=this@entry=0x7fb4fccb2d30, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fb5220e48e5 in QEventLoop::exec (this=this@entry=0x7fb4fccb2d30, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fb521fe388f in QThread::exec (this=this@entry=0xa4b960) at thread/qthread.cpp:542
#8  0x00007fb5220c5d13 in QInotifyFileSystemWatcherEngine::run (this=0xa4b960) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007fb521fe5f2f in QThreadPrivate::start (arg=0xa4b960) at thread/qthread_unix.cpp:338
#10 0x00007fb51e399f6e in start_thread (arg=0x7fb4fccb3700) at pthread_create.c:311
#11 0x00007fb520ad19cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fb4b7bc4700 (LWP 3275)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb515170bbd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fb51545fa76 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fb51e399f6e in start_thread (arg=0x7fb4b7bc4700) at pthread_create.c:311
#4  0x00007fb520ad19cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fb4b6d62700 (LWP 3332)):
[KCrash Handler]
#6  0x00007fb520a0df77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007fb520a115e8 in __GI_abort () at abort.c:90
#8  0x00007fb520a4b4fb in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7fb520b5f240 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
#9  0x00007fb520a57996 in malloc_printerr (ptr=0x10b6bd0, str=0x7fb520b5b232 "invalid fastbin entry (free)", action=3) at malloc.c:4923
#10 _int_free (av=<optimized out>, p=0x10b6bc0, have_lock=0) at malloc.c:3779
#11 0x00007fb52202e428 in QString::free (d=0x10b6bd0) at tools/qstring.cpp:1235
#12 0x00007fb51ef2c019 in ~QString (this=0x51692e0, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:880
#13 QDBusMessagePrivate::~QDBusMessagePrivate (this=0x51692c0, __in_chrg=<optimized out>) at qdbusmessage.cpp:72
#14 0x00007fb51ef2c0bf in QDBusMessage::~QDBusMessage (this=0xb62, __in_chrg=<optimized out>) at qdbusmessage.cpp:537
#15 0x00007fb51ef28e66 in ~QDBusCallDeliveryEvent (this=0x4a956b0, __in_chrg=<optimized out>) at qdbusintegrator_p.h:93
#16 QDBusCallDeliveryEvent::~QDBusCallDeliveryEvent (this=0x4a956b0, __in_chrg=<optimized out>) at qdbusintegrator_p.h:93
#17 0x00007fb5220e8e28 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x109d1e0) at kernel/qcoreapplication.cpp:1586
#18 0x00007fb5220e92c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#19 0x00007fb522113073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#20 postEventSourceDispatch (s=0x7fb4ac0012d0) at kernel/qeventdispatcher_glib.cpp:279
#21 0x00007fb518bf73b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb518bf7708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fb518bf77ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fb522112a76 in QEventDispatcherGlib::processEvents (this=0x7fb4ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#25 0x00007fb5220e45ef in QEventLoop::processEvents (this=this@entry=0x7fb4b6d61d70, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007fb5220e48e5 in QEventLoop::exec (this=this@entry=0x7fb4b6d61d70, flags=...) at kernel/qeventloop.cpp:204
#27 0x00007fb521fe388f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#28 0x00007fb521fe5f2f in QThreadPrivate::start (arg=0xa3e4a0) at thread/qthread_unix.cpp:338
#29 0x00007fb51e399f6e in start_thread (arg=0x7fb4b6d62700) at pthread_create.c:311
#30 0x00007fb520ad19cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fb52374f800 (LWP 2914)):
#0  0x00007fb520ac36bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb518c36670 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb518bf71cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb518bf763b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb518bf77ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb522112a76 in QEventDispatcherGlib::processEvents (this=0x6b8e20, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fb5215249d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#7  0x00007fb5220e45ef in QEventLoop::processEvents (this=this@entry=0x7ffff9ed5cf0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fb5220e48e5 in QEventLoop::exec (this=this@entry=0x7ffff9ed5cf0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fb5220e9e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#10 0x00007fb52148134c in QApplication::exec () at kernel/qapplication.cpp:3828
#11 0x0000000000402d1a in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:146

Possible duplicates by query: bug 327531, bug 326211, bug 322518, bug 321929, bug 321465.

Reported using DrKonqi