Bug 357227

Application: akonadi_imap_resource (4.14)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.0-38-generic x86_64
Distribution: Linux Mint 17.2 Rafaela

-- Information about the crash:
- What I was doing when the application crashed: Kmail crashed while deleting hundreds of emails on IMAP account.

The crash can be reproduced sometimes.

-- Backtrace:
Application: newarkdevil5@yahoo.com of type IMAP E-Mail Server (akonadi_imap_resource), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f36628c27c0 (LWP 10260))]

Thread 3 (Thread 0x7f364e973700 (LWP 10263)):
#0  0x00007f365d21e61d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f365d21e979 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f365d1dc699 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f365d1dcf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f365d1dd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3661ef57be in QEventDispatcherGlib::processEvents (this=0x7f36480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f3661ec70af in QEventLoop::processEvents (this=this@entry=0x7f364e972de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f3661ec73a5 in QEventLoop::exec (this=this@entry=0x7f364e972de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f3661dc3c5f in QThread::exec (this=this@entry=0x13c0e90) at thread/qthread.cpp:537
#9  0x00007f3661ea8823 in QInotifyFileSystemWatcherEngine::run (this=0x13c0e90) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f3661dc632f in QThreadPrivate::start (arg=0x13c0e90) at thread/qthread_unix.cpp:349
#11 0x00007f365d8c1182 in start_thread (arg=0x7f364e973700) at pthread_create.c:312
#12 0x00007f365e26447d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f3647fff700 (LWP 10603)):
#0  0x00007f365d21e61d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f365d21e9a9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f365d1dcfd9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f365d1dd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3661ef57be in QEventDispatcherGlib::processEvents (this=0x7f3640201a60, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007f3661ec70af in QEventLoop::processEvents (this=this@entry=0x7f3647ffee20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f3661ec73a5 in QEventLoop::exec (this=this@entry=0x7f3647ffee20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f3661dc3c5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#8  0x00007f3661dc632f in QThreadPrivate::start (arg=0x13fec50) at thread/qthread_unix.cpp:349
#9  0x00007f365d8c1182 in start_thread (arg=0x7f3647fff700) at pthread_create.c:312
#10 0x00007f365e26447d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f36628c27c0 (LWP 10260)):
[KCrash Handler]
#6  operator char const* (this=<optimized out>) at /usr/include/qt4/QtCore/qbytearray.h:425
#7  KIMAP::Session::selectedMailBox (this=this@entry=0x13d9d20) at ../../kimap/session.cpp:449
#8  0x000000000044478d in RetrieveItemTask::doStart (this=0x14ec2c0, session=0x13d9d20) at ../../../resources/imap/retrieveitemtask.cpp:55
#9  0x000000000043ab13 in ResourceTask::onSessionRequested (this=0x14ec2c0, requestId=<optimized out>, session=0x13d9d20, errorCode=0) at ../../../resources/imap/resourcetask.cpp:119
#10 0x00000000004648b5 in ResourceTask::qt_static_metacall (_o=0x7ffd5858bfb0, _c=20815136, _id=-1, _a=0x0) at moc_resourcetask.cpp:69
#11 0x00007f3661edc87a in QMetaObject::activate (sender=sender@entry=0x1207fe0, m=m@entry=0x482160 <SessionPool::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd5858c1a0) at kernel/qobject.cpp:3539
#12 0x0000000000464962 in SessionPool::sessionRequestDone (this=this@entry=0x1207fe0, _t1=_t1@entry=90, _t2=_t2@entry=0x13d9d20, _t3=_t3@entry=0, _t4=...) at moc_sessionpool.cpp:153
#13 0x000000000045086a in SessionPool::processPendingRequests (this=0x1207fe0) at ../../../resources/imap/sessionpool.cpp:257
#14 0x0000000000464a2d in SessionPool::qt_static_metacall (_o=0x7ffd5858bfb0, _c=20815136, _id=-1, _a=0x0) at moc_sessionpool.cpp:92
#15 0x00007f3661ee0c1e in QObject::event (this=0x1207fe0, e=<optimized out>) at kernel/qobject.cpp:1194
#16 0x00007f3661261e2c in QApplicationPrivate::notify_helper (this=this@entry=0x109c220, receiver=receiver@entry=0x1207fe0, e=e@entry=0x126b3b0) at kernel/qapplication.cpp:4567
#17 0x00007f36612684a0 in QApplication::notify (this=this@entry=0x7ffd5858c930, receiver=receiver@entry=0x1207fe0, e=e@entry=0x126b3b0) at kernel/qapplication.cpp:4353
#18 0x00007f365f3a6cca in KApplication::notify (this=0x7ffd5858c930, receiver=0x1207fe0, event=0x126b3b0) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f3661ec84dd in QCoreApplication::notifyInternal (this=0x7ffd5858c930, receiver=receiver@entry=0x1207fe0, event=event@entry=0x126b3b0) at kernel/qcoreapplication.cpp:953
#20 0x00007f3661ecbb3d in sendEvent (event=0x126b3b0, receiver=0x1207fe0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1061220) at kernel/qcoreapplication.cpp:1577
#22 0x00007f3661ecbfe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#23 0x00007f3661ef5f83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#24 postEventSourceDispatch (s=0x1085ec0) at kernel/qeventdispatcher_glib.cpp:287
#25 0x00007f365d1dce04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f365d1dd048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f365d1dd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f3661ef57a1 in QEventDispatcherGlib::processEvents (this=0x1062700, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#29 0x00007f3661303be6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007f3661ec70af in QEventLoop::processEvents (this=this@entry=0x7ffd5858c8a0, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007f3661ec73a5 in QEventLoop::exec (this=this@entry=0x7ffd5858c8a0, flags=...) at kernel/qeventloop.cpp:204
#32 0x00007f3661eccb79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#33 0x00007f366126037c in QApplication::exec () at kernel/qapplication.cpp:3828
#34 0x00007f36623a9783 in Akonadi::ResourceBase::init (r=r@entry=0x11f4400) at ../../akonadi/resourcebase.cpp:579
#35 0x0000000000418993 in Akonadi::ResourceBase::init<ImapResource> (argc=<optimized out>, argv=<optimized out>) at /usr/include/akonadi/resourcebase.h:193
#36 0x00007f365e18bec5 in __libc_start_main (main=0x4182e0 <main(int, char**)>, argc=3, argv=0x7ffd5858ca48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd5858ca38) at libc-start.c:287
#37 0x0000000000418854 in _start ()

Reported using DrKonqi