[Bug 250549] New: KMail crashed when changing focus

[Alex Merry]

https://bugs.kde.org/show_bug.cgi?id=250549

           Summary: KMail crashed when changing focus
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: kde at randomguy3.me.uk


Application: kmail (2.0.89)
KDE Platform Version: 4.5.67 (4.6 >= 20100901) (Compiled from sources)
Qt Version: 4.6.3
Operating System: Linux 2.6.35-ARCH x86_64
Distribution (Platform): Archlinux Packages

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

I had a composer window open, and typed a few things into the To: line edit,
deleting them each time (the address I wanted wasn't in the address book).

I then switched focus to the main window by clicking in the message pane, and
KMail crashed.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f69f5cb6760 (LWP 7122))]

Thread 2 (Thread 0x7f69da401710 (LWP 7130)):
#0  0x00007f69efe7040c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x00007f69e86f9e30 in WTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib/libQtWebKit.so.4
#2  0x00007f69e86f9e69 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) ()
from /usr/lib/libQtWebKit.so.4
#3  0x00007f69efe6bcb0 in start_thread () from /lib/libpthread.so.0
#4  0x00007f69ef4357ad in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f69f5cb6760 (LWP 7122)):
[KCrash Handler]
#6  0x00007f69f01f40ab in QObjectPrivate::isSignalConnected (sender=0x91ae5e0,
m=<value optimized out>, local_signal_index=6, argv=0x0) at
kernel/qobject_p.h:222
#7  QMetaObject::activate (sender=0x91ae5e0, m=<value optimized out>,
local_signal_index=6, argv=0x0) at kernel/qobject.cpp:3210
#8  0x00007f69f1287bb6 in QLineEdit::focusOutEvent (this=0x91ae5e0, e=<value
optimized out>) at widgets/qlineedit.cpp:1830
#9  0x00007f69f572f4e8 in KLineEdit::focusOutEvent (this=0x91ae5e0,
ev=0x7fff148933c0) at
/home/kde-devel/src/KDE/kdelibs/kdeui/widgets/klineedit.cpp:1799
#10 0x00007f69f0edf1dc in QWidget::event (this=0x91ae5e0, event=0x7fff148933c0)
at kernel/qwidget.cpp:8157
#11 0x00007f69f1285f11 in QLineEdit::event (this=0x91ae5e0, e=0x7fff148933c0)
at widgets/qlineedit.cpp:1480
#12 0x00007f69f572d680 in KLineEdit::event (this=0x91ae5e0, ev=0x7fff148933c0)
at /home/kde-devel/src/KDE/kdelibs/kdeui/widgets/klineedit.cpp:1394
#13 0x00007f69f0e8fae4 in QApplicationPrivate::notify_helper (this=0x266aac0,
receiver=0x91ae5e0, e=0x7fff148933c0) at kernel/qapplication.cpp:4302
#14 0x00007f69f0e93bca in QApplication::notify (this=<value optimized out>,
receiver=0x91ae5e0, e=0x7fff148933c0) at kernel/qapplication.cpp:4185
#15 0x00007f69f5647c8d in KApplication::notify (this=0x7fff14894040,
receiver=0x91ae5e0, event=0x7fff148933c0) at
/home/kde-devel/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:310
#16 0x00007f69f01dfd8c in QCoreApplication::notifyInternal
(this=0x7fff14894040, receiver=0x91ae5e0, event=0x7fff148933c0) at
kernel/qcoreapplication.cpp:726
#17 0x00007f69f0e8dc9d in QCoreApplication::sendEvent (focus=0x2b20f30,
reason=Qt::ActiveWindowFocusReason) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QApplicationPrivate::setFocusWidget (focus=0x2b20f30,
reason=Qt::ActiveWindowFocusReason) at kernel/qapplication.cpp:2124
#19 0x00007f69f0ed2e21 in QWidget::setFocus (this=0x2b20f30,
reason=Qt::ActiveWindowFocusReason) at kernel/qwidget.cpp:6161
#20 0x00007f69f0e931ed in QApplication::setActiveWindow (act=<value optimized
out>) at kernel/qapplication.cpp:2480
#21 0x00007f69f0f0a25b in QApplication::x11ProcessEvent (this=0x7fff14894040,
event=0x7fff14893be0) at kernel/qapplication_x11.cpp:3432
#22 0x00007f69f0f2f942 in x11EventSourceDispatch (s=0x266e540, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#23 0x00007f69e5ba1b33 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#24 0x00007f69e5ba2310 in g_main_context_iterate () from
/usr/lib/libglib-2.0.so.0
#25 0x00007f69e5ba25ad in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#26 0x00007f69f020887f in QEventDispatcherGlib::processEvents (this=0x2287510,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#27 0x00007f69f0f2f60e in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007f69f01df172 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#29 0x00007f69f01df3ac in QEventLoop::exec (this=0x7fff14893ee0, flags=...) at
kernel/qeventloop.cpp:201
#30 0x00007f69f01e37bb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1003
#31 0x0000000000403594 in main (argc=3, argv=0x7fff148941d8) at
/home/kde-devel/src/KDE/kdepim/kmail/main.cpp:145

Reported using DrKonqi

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