[Bug 289347] New: KMail segfaults after forwarding SMIME encrypted mail inline

d.matscheko at gmail.com d.matscheko at gmail.com
Mon Dec 19 10:31:00 GMT 2011 

https://bugs.kde.org/show_bug.cgi?id=289347

           Summary: KMail segfaults after forwarding SMIME encrypted mail
                    inline
           Product: kontact
           Version: 4.7.2
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: d.matscheko at gmail.com


Application: kontact (4.7.2)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

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

Right-click on an SMIME encrypted mail.
Select Forward -> Inline... .
[KMail crashes]
After restarting Kontact or KMail, an empty Composer window appears
additionally to the application window.


- What SMIME encrypted mails produced this error:

* Most encrypted mails can be forwarded inline without problems, but the "bad"
ones always create the segfault.

* The "bad" ones seem to be created with a recent version of MS Outlook 2007,
all other mails seem to work perfectly.

* Forwarding of signed (not encrypted) or plaintext mails received from Outlook
2007 also works without errors.

* Forwarding of encrypted Outlook 2010 mails also works without errors.

* There seems to be a second issue where attachments in encrypted mails created
with Outlook 2007 can not be opened. It might be related (because of the recent
version of Outlook 2007 as sender) but i found no bug reports concerning this.
Also, attachments are irrelevant to reproduce this "Forward -> Inline..." bug.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f93b84bb7a0 (LWP 24217))]

Thread 4 (Thread 0x7f939e8d9700 (LWP 24218)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f93b4d07c2c in WTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f93b56be220) at wtf/FastMalloc.cpp:2495
#2  0x00007f93b4d07d59 in WTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f93b0106efc in start_thread (arg=0x7f939e8d9700) at
pthread_create.c:304
#4  0x00007f93b5a1589d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f939e0d8700 (LWP 24219)):
#0  0x00007f93b5a09773 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f93af638f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93af639429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93b6e50f3e in QEventDispatcherGlib::processEvents (this=0x1099840,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f93b6e24cf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f93b6e24ef7 in QEventLoop::exec (this=0x7f939e0d7de0, flags=...) at
kernel/qeventloop.cpp:201
#6  0x00007f93b6d3c27f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:498
#7  0x00007f93b6d3ed05 in QThreadPrivate::start (arg=0x1098880) at
thread/qthread_unix.cpp:331
#8  0x00007f93b0106efc in start_thread (arg=0x7f939e0d8700) at
pthread_create.c:304
#9  0x00007f93b5a1589d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f934fbea700 (LWP 24223)):
#0  0x00007f93b5a09773 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f93af638f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93af639429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93b6e50ed6 in QEventDispatcherGlib::processEvents
(this=0x7f9398001050, flags=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:422
#4  0x00007f93b6e24cf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f93b6e24ef7 in QEventLoop::exec (this=0x7f934fbe9db0, flags=...) at
kernel/qeventloop.cpp:201
#6  0x00007f93b6d3c27f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:498
#7  0x00007f93b6e07cbf in QInotifyFileSystemWatcherEngine::run (this=0x12fba40)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f93b6d3ed05 in QThreadPrivate::start (arg=0x12fba40) at
thread/qthread_unix.cpp:331
#9  0x00007f93b0106efc in start_thread (arg=0x7f934fbea700) at
pthread_create.c:304
#10 0x00007f93b5a1589d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f93b84bb7a0 (LWP 24217)):
[KCrash Handler]
#6  __memcpy_ssse3_back () at
../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1629
#7  0x00007f93b6d40cda in QByteArray::realloc (this=0x7fffda802cb0,
alloc=33554400) at /usr/include/x86_64-linux-gnu/bits/string3.h:52
#8  0x00007f93b6d41c3f in QByteArray::append (this=0x7fffda802cb0, ch=10 '\n')
at tools/qbytearray.cpp:1660
#9  0x00007f93acd057cf in operator+= (c=10 '\n', this=0x7fffda802cb0) at
/usr/include/qt4/QtCore/qbytearray.h:488
#10 KMime::Content::encodedContent (this=0x5b7a030, useCrLf=false) at
../../kmime/kmime_content.cpp:283
#11 0x00007f93acd053a9 in KMime::Content::encodedBody (this=<optimized out>) at
../../kmime/kmime_content.cpp:339
#12 0x00007f93acd057dc in KMime::Content::encodedContent (this=0x5b69770,
useCrLf=false) at ../../kmime/kmime_content.cpp:284
#13 0x00007f9355555c6c in Message::ComposerViewBase::setMessage
(this=0x5bc9b40, msg=...) at ../../messagecomposer/composerviewbase.cpp:176
#14 0x00007f9355e854c5 in KMComposeWin::setMsg (this=0x154f680, newMsg=...,
mayAutoSign=true, allowDecryption=<optimized out>, isModified=false) at
../../kmail/kmcomposewin.cpp:1466
#15 0x00007f9355e88982 in KMComposeWin::KMComposeWin (this=0x154f680, aMsg=...,
context=<optimized out>, id=<optimized out>, textSelection=<optimized out>,
customTemplate=<optimized out>, __in_chrg=<optimized out>,
__vtt_parm=<optimized out>) at ../../kmail/kmcomposewin.cpp:443
#16 0x00007f9355e89825 in KMComposeWin::create (msg=...,
context=KMail::Composer::Forward, identity=1225000542, textSelection=...,
customTemplate=...) at ../../kmail/kmcomposewin.cpp:165
#17 0x00007f9355e27ee5 in KMForwardCommand::execute (this=0x5b61280) at
../../kmail/kmcommands.cpp:1007
#18 0x00007f9355e1fd91 in KMCommand::slotPostTransfer (this=0x5b61280,
result=KMCommand::OK) at ../../kmail/kmcommands.cpp:264
#19 0x00007f9355e26ac3 in KMCommand::qt_metacall (this=0x5b61280,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffda8040a0) at
./kmcommands.moc:88
#20 0x00007f93b6e38eba in QMetaObject::activate (sender=0x5b61280, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fffda8040a0) at
kernel/qobject.cpp:3278
#21 0x00007f9355e1fbde in KMCommand::messagesTransfered (this=<optimized out>,
_t1=KMCommand::OK) at ./kmcommands.moc:103
#22 0x00007f9355e240d9 in KMCommand::slotJobFinished (this=0x5b61280) at
../../kmail/kmcommands.cpp:374
#23 0x00007f9355e26a8c in KMCommand::qt_metacall (this=0x5b61280,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffda804210) at
./kmcommands.moc:90
#24 0x00007f93b6e38eba in QMetaObject::activate (sender=0x3becaa0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fffda804210) at
kernel/qobject.cpp:3278
#25 0x00007f93b728b5b2 in KJob::result (this=<optimized out>, _t1=0x3becaa0) at
./kjob.moc:194
#26 0x00007f93b728b5f0 in KJob::emitResult (this=0x3becaa0) at
../../kdecore/jobs/kjob.cpp:312
#27 0x00007f93b2836f4d in Akonadi::Job::qt_metacall (this=0x3becaa0,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x43b4920) at
./job.moc:91
#28 0x00007f93b2824745 in Akonadi::ItemFetchJob::qt_metacall (this=0x3becaa0,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x43b4920) at
./itemfetchjob.moc:73
#29 0x00007f93b6e3ca5e in QObject::event (this=0x3becaa0, e=<optimized out>) at
kernel/qobject.cpp:1217
#30 0x00007f93b61d6424 in notify_helper (e=0x5baf800, receiver=0x3becaa0,
this=0xf838a0) at kernel/qapplication.cpp:4486
#31 QApplicationPrivate::notify_helper (this=0xf838a0, receiver=0x3becaa0,
e=0x5baf800) at kernel/qapplication.cpp:4458
#32 0x00007f93b61db291 in QApplication::notify (this=0x7fffda804a90,
receiver=0x3becaa0, e=0x5baf800) at kernel/qapplication.cpp:4365
#33 0x00007f93b785b126 in KApplication::notify (this=0x7fffda804a90,
receiver=0x3becaa0, event=0x5baf800) at ../../kdeui/kernel/kapplication.cpp:311
#34 0x00007f93b6e25afc in QCoreApplication::notifyInternal
(this=0x7fffda804a90, receiver=0x3becaa0, event=0x5baf800) at
kernel/qcoreapplication.cpp:787
#35 0x00007f93b6e2951f in sendEvent (event=0x5baf800, receiver=0x3becaa0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#36 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0xf538e0) at kernel/qcoreapplication.cpp:1428
#37 0x00007f93b6e50a73 in sendPostedEvents () at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#38 postEventSourceDispatch (s=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:277
#39 0x00007f93af638a5d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f93af639258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f93af639429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f93b6e50ed6 in QEventDispatcherGlib::processEvents (this=0xf54fd0,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#43 0x00007f93b627e07e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#44 0x00007f93b6e24cf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#45 0x00007f93b6e24ef7 in QEventLoop::exec (this=0x7fffda804a20, flags=...) at
kernel/qeventloop.cpp:201
#46 0x00007f93b6e29789 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1064
#47 0x0000000000403629 in main (argc=1, argv=0x7fffda8050b8) at
../../../kontact/src/main.cpp:218

Reported using DrKonqi

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