Application: kmail (4.8.3)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-25-generic x86_64
Distribution: Ubuntu 12.04 LTS

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

read one html mail, then read another then crash.It's crash every time.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f472a1667c0 (LWP 24007))]

Thread 3 (Thread 0x7f4707c25700 (LWP 24011)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f471c451dec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f471c451f19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f4724f89e9a in start_thread (arg=0x7f4707c25700) at pthread_create.c:308
#4  0x00007f47274ba4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f470730c700 (LWP 24012)):
#0  0x00007f47274aeb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f471fd5e036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f471fd5e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4727e45426 in QEventDispatcherGlib::processEvents (this=0x7f47000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f4727e14c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4727e14ed7 in QEventLoop::exec (this=0x7f470730bdc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f4727d13fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f4727d16fcb in QThreadPrivate::start (arg=0xc7cc60) at thread/qthread_unix.cpp:298
#8  0x00007f4724f89e9a in start_thread (arg=0x7f470730c700) at pthread_create.c:308
#9  0x00007f47274ba4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f472a1667c0 (LWP 24007)):
[KCrash Handler]
#6  0x00007f470733ae38 in ?? ()
#7  0x00007f4726463eef in QNetworkAccessHttpBackend::replyDownloadMetaData (this=0x2a85d10, hm=..., sc=<optimized out>, rp=..., pu=<optimized out>, db=..., contentLength=-1) at access/qnetworkaccesshttpbackend.cpp:827
#8  0x00007f47264ef709 in QNetworkAccessHttpBackend::qt_static_metacall (_o=0x2a85d10, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qnetworkaccesshttpbackend_p.cpp:91
#9  0x00007f4727e2f446 in QObject::event (this=0x2a85d10, e=<optimized out>) at kernel/qobject.cpp:1195
#10 0x00007f4728338894 in notify_helper (e=0x7f46b8019b70, receiver=0x2a85d10, this=0x7201d0) at kernel/qapplication.cpp:4559
#11 QApplicationPrivate::notify_helper (this=0x7201d0, receiver=0x2a85d10, e=0x7f46b8019b70) at kernel/qapplication.cpp:4531
#12 0x00007f472833d713 in QApplication::notify (this=0x7fffef98cee0, receiver=0x2a85d10, e=0x7f46b8019b70) at kernel/qapplication.cpp:4420
#13 0x00007f4729b72bb6 in KApplication::notify (this=0x7fffef98cee0, receiver=0x2a85d10, event=0x7f46b8019b70) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f4727e15e9c in QCoreApplication::notifyInternal (this=0x7fffef98cee0, receiver=0x2a85d10, event=0x7f46b8019b70) at kernel/qcoreapplication.cpp:876
#15 0x00007f4727e19c6a in sendEvent (event=0x7f46b8019b70, receiver=0x2a85d10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x6d4220) at kernel/qcoreapplication.cpp:1500
#17 0x00007f4727e44f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007f471fd5dd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f471fd5e0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f471fd5e164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f4727e453bf in QEventDispatcherGlib::processEvents (this=0x6d5b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f47283e0d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f4727e14c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f4727e14ed7 in QEventLoop::exec (this=0x7fffef98cdc0, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f4727e19f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x0000000000402bd3 in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:145

Possible duplicates by query: bug 302020, bug 301840, bug 301561, bug 301377, bug 301066.

Reported using DrKonqi