[kmail2] [Bug 323696] New: Kmail crashes when trying to display a PGP encrypted message

Guido Winkelmann guido-kdebugs at unknownsite.de
Mon Aug 19 01:27:10 BST 2013 

https://bugs.kde.org/show_bug.cgi?id=323696

            Bug ID: 323696
           Summary: Kmail crashes when trying to display a PGP encrypted
                    message
    Classification: Unclassified
           Product: kmail2
           Version: 4.10.5
          Platform: Gentoo Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: guido-kdebugs at unknownsite.de

After clicking on a PGP encrypted message (encrypted to me) in the message
list, and subsequently entering my PGP key's passphrase, KMail crashed.

Reproducible: Couldn't Reproduce

Steps to Reproduce:
1. Click on a PGP encrypted message, encrypted to the user, in the message list
2. In the dialog that pops up, enter the key's passphrase
3. Press Enter
Actual Results:  
KMail crashes with a segmentation fault

Expected Results:  
KMail should display the decrypted contents of the message.

Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f52b992a780 (LWP 3645))]

Thread 3 (Thread 0x7f529a2d7700 (LWP 3672)):
#0  pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f52aa29ce14 in WTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f52aac8f1e0 <WTF::pageheap_memory>) at wtf/FastMalloc.cpp:2495
#2  0x00007f52aa29cf49 in WTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f52b4979006 in start_thread (arg=0x7f529a2d7700) at
pthread_create.c:305
#4  0x00007f52b6bc254d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f52999d6700 (LWP 3676)):
#0  g_mutex_get_impl (mutex=0x7f52940009a0) at gthread-posix.c:118
#1  0x00007f52aebfbb09 in g_mutex_unlock (mutex=<optimized out>) at
gthread-posix.c:227
#2  0x00007f52aebc0fda in g_main_context_query (context=0x7f52940009a0,
max_priority=2147483647, timeout=0x7f52999d5ccc, fds=<optimized out>, n_fds=1)
at gmain.c:2941
#3  0x00007f52aebc162a in g_main_context_iterate (dispatch=1, block=1,
context=0x7f52940009a0, self=<optimized out>) at gmain.c:3128
#4  g_main_context_iterate (context=0x7f52940009a0, block=1, dispatch=1,
self=<optimized out>) at gmain.c:3083
#5  0x00007f52aebc17cc in g_main_context_iteration (context=0x7f52940009a0,
may_block=1) at gmain.c:3207
#6  0x00007f52b755938e in QEventDispatcherGlib::processEvents
(this=0x7f52940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f52b7528f12 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f52b7529197 in QEventLoop::exec (this=0x7f52999d5de0, flags=...) at
kernel/qeventloop.cpp:204
#9  0x00007f52b7427f5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#10 0x00007f52b742a77c in QThreadPrivate::start (arg=0x83f620) at
thread/qthread_unix.cpp:338
#11 0x00007f52b4979006 in start_thread (arg=0x7f52999d6700) at
pthread_create.c:305
#12 0x00007f52b6bc254d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f52b992a780 (LWP 3645)):
[KCrash Handler]
#6  0x00007f52b34ae6a4 in KMime::Content::parent (this=0xf74100) at
/var/tmp/portage/kde-base/kdepimlibs-4.10.5/work/kdepimlibs-4.10.5/kmime/kmime_content.cpp:952
#7  0x00007f52b2b80a75 in MessageCore::NodeHelper::nextSibling (node=0xf74100)
at
/var/tmp/portage/kde-base/kdepim-common-libs-4.10.5/work/kdepim-common-libs-4.10.5/messagecore/nodehelper.cpp:32
#8  0x00007f52afa552e0 in
MessageViewer::ObjectTreeParser::parseObjectTreeInternal (this=0x7fff093f3ba0,
node=0xf74100) at
/var/tmp/portage/kde-base/kdepim-common-libs-4.10.5/work/kdepim-common-libs-4.10.5/messageviewer/objecttreeparser.cpp:296
#9  0x00007f52afa8af0f in MessageViewer::ViewerPrivate::parseContent
(this=0xa0ddd0, content=0xf74100) at
/var/tmp/portage/kde-base/kdepim-common-libs-4.10.5/work/kdepim-common-libs-4.10.5/messageviewer/viewer_p.cpp:974
#10 0x00007f52afa8d2b6 in MessageViewer::ViewerPrivate::displayMessage
(this=0xa0ddd0) at
/var/tmp/portage/kde-base/kdepim-common-libs-4.10.5/work/kdepim-common-libs-4.10.5/messageviewer/viewer_p.cpp:846
#11 0x00007f52afa8daf1 in MessageViewer::ViewerPrivate::updateReaderWin
(this=0xa0ddd0) at
/var/tmp/portage/kde-base/kdepim-common-libs-4.10.5/work/kdepim-common-libs-4.10.5/messageviewer/viewer_p.cpp:2185
#12 0x00007f52afa90d1a in MessageViewer::ViewerPrivate::qt_static_metacall
(_o=0xa0ddd0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
/var/tmp/portage/kde-base/kdepim-common-libs-4.10.5/work/kdepim-common-libs-4.10.5_build/messageviewer/viewer_p.moc:234
#13 0x00007f52b753e1b1 in QMetaObject::activate (sender=0xa0de60, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#14 0x00007f52b7543979 in QObject::event (this=0xa0de60, e=<optimized out>) at
kernel/qobject.cpp:1156
#15 0x00007f52b7a6b0b4 in notify_helper (e=0x7fff093f4840, receiver=0xa0de60,
this=0x6724c0) at kernel/qapplication.cpp:4562
#16 QApplicationPrivate::notify_helper (this=0x6724c0, receiver=0xa0de60,
e=0x7fff093f4840) at kernel/qapplication.cpp:4534
#17 0x00007f52b7a6fd61 in QApplication::notify (this=0x7fff093f4be0,
receiver=0xa0de60, e=0x7fff093f4840) at kernel/qapplication.cpp:3944
#18 0x00007f52b932ce88 in KApplication::notify (this=0x7fff093f4be0,
receiver=0xa0de60, event=0x7fff093f4840) at
/var/tmp/portage/kde-base/kdelibs-4.10.5-r1/work/kdelibs-4.10.5/kdeui/kernel/kapplication.cpp:311
#19 0x00007f52b752a44b in QCoreApplication::notifyInternal
(this=0x7fff093f4be0, receiver=0xa0de60, event=0x7fff093f4840) at
kernel/qcoreapplication.cpp:946
#20 0x00007f52b755bdaa in sendEvent (event=0x7fff093f4840, receiver=<optimized
out>) at kernel/qcoreapplication.h:231
#21 QTimerInfoList::activateTimers (this=0x672440) at
kernel/qeventdispatcher_unix.cpp:621
#22 0x00007f52b7558bbd in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:186
#23 timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:180
#24 0x00007f52aebc13d2 in g_main_dispatch (context=0x673a00) at gmain.c:2539
#25 g_main_context_dispatch (context=0x673a00) at gmain.c:3075
#26 0x00007f52aebc1710 in g_main_context_iterate (dispatch=1, block=<optimized
out>, context=0x673a00, self=<optimized out>) at gmain.c:3146
#27 g_main_context_iterate (context=0x673a00, block=<optimized out>,
dispatch=1, self=<optimized out>) at gmain.c:3083
#28 0x00007f52aebc17cc in g_main_context_iteration (context=0x673a00,
may_block=1) at gmain.c:3207
#29 0x00007f52b7559336 in QEventDispatcherGlib::processEvents (this=0x660120,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#30 0x00007f52b7b0ec86 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f52b7528f12 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#32 0x00007f52b7529197 in QEventLoop::exec (this=0x7fff093f4aa0, flags=...) at
kernel/qeventloop.cpp:204
#33 0x00007f52b752e4c7 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1218
#34 0x00000000004030f7 in main (argc=<optimized out>, argv=<optimized out>) at
/var/tmp/portage/kde-base/kmail-4.10.5/work/kmail-4.10.5/kmail/main.cpp:146

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