[Akonadi] [Bug 319569] New: akonadi_imap_resource crash

[Paul Gideon Dann]

https://bugs.kde.org/show_bug.cgi?id=319569

            Bug ID: 319569
           Summary: akonadi_imap_resource crash
    Classification: Unclassified
           Product: Akonadi
           Version: 4.10
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: IMAP resource
          Assignee: ervin at kde.org
          Reporter: pdgiddie+kde at gmail.com
                CC: kdepim-bugs at kde.org, vkrause at kde.org

Random crashes (SIGSEGV) from imap resource.  I think this is actually a stack
overflow.  The backtrace is very long, repeating through the same methods again
and again.  Here's the bottom:

...
#16204 0x00007ffff4309a95 in KTcpSocket::disconnectFromHost() ()
   from /usr/lib/libkdecore.so.5
#16205 0x00007ffff6001ae8 in ?? () from /usr/lib/libkimap.so.4
#16206 0x00007ffff6003325 in ?? () from /usr/lib/libkimap.so.4
#16207 0x00007ffff73b18ec in QMetaObject::activate(QObject*, QMetaObject
const*, int, void**) () from /usr/lib/libQtCore.so.4
#16208 0x00007ffff430aa11 in KTcpSocket::error(KTcpSocket::Error) ()
   from /usr/lib/libkdecore.so.5
#16209 0x00007ffff430ca13 in ?? () from /usr/lib/libkdecore.so.5
#16210 0x00007ffff73b18ec in QMetaObject::activate(QObject*, QMetaObject
const*, int, void**) () from /usr/lib/libQtCore.so.4
#16211 0x00007ffff62f9db1 in
QAbstractSocket::error(QAbstractSocket::SocketError) ()
   from /usr/lib/libQtNetwork.so.4
#16212 0x00007ffff63249bc in ?? () from /usr/lib/libQtNetwork.so.4
#16213 0x00007ffff631f22e in ?? () from /usr/lib/libQtNetwork.so.4
#16214 0x00007ffff631de4d in ?? () from /usr/lib/libQtNetwork.so.4
#16215 0x00007ffff73a5a68 in QMetaMethod::invoke(QObject*, Qt::ConnectionType,
QGenericRetur---Type <return> to continue, or q <return> to quit---
nArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument) const () from
/usr/lib/libQtCore.so.4
#16216 0x00007ffff73a7f28 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/libQtCore.so.4
#16217 0x00007ffff62f8ddc in QAbstractSocket::disconnectFromHost() ()
   from /usr/lib/libQtNetwork.so.4
#16218 0x00007ffff4309a95 in KTcpSocket::disconnectFromHost() ()
   from /usr/lib/libkdecore.so.5
#16219 0x00007ffff6001ae8 in ?? () from /usr/lib/libkimap.so.4
#16220 0x00007ffff6003325 in ?? () from /usr/lib/libkimap.so.4
#16221 0x00007ffff73b18ec in QMetaObject::activate(QObject*, QMetaObject
const*, int, void**) () from /usr/lib/libQtCore.so.4
#16222 0x00007ffff430aa11 in KTcpSocket::error(KTcpSocket::Error) ()
   from /usr/lib/libkdecore.so.5
#16223 0x00007ffff430ca13 in ?? () from /usr/lib/libkdecore.so.5
#16224 0x00007ffff73b18ec in QMetaObject::activate(QObject*, QMetaObject
const*, int, void**) () from /usr/lib/libQtCore.so.4
#16225 0x00007ffff62f9db1 in
QAbstractSocket::error(QAbstractSocket::SocketError) ()
   from /usr/lib/libQtNetwork.so.4
#16226 0x00007ffff6322f99 in ?? () from /usr/lib/libQtNetwork.so.4
#16227 0x00007ffff63242a5 in ?? () from /usr/lib/libQtNetwork.so.4
#16228 0x00007ffff631ded9 in ?? () from /usr/lib/libQtNetwork.so.4
#16229 0x00007ffff73b18ec in QMetaObject::activate(QObject*, QMetaObject
const*, int, void**) () from /usr/lib/libQtCore.so.4
#16230 0x00007ffff62fef8d in ?? () from /usr/lib/libQtNetwork.so.4
#16231 0x00007ffff6307fdd in ?? () from /usr/lib/libQtNetwork.so.4
#16232 0x00007ffff67430ac in QApplicationPrivate::notify_helper(QObject*,
QEvent*) ()
   from /usr/lib/libQtGui.so.4
#16233 0x00007ffff6749670 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libQtGui.so.4
#16234 0x00007ffff48678aa in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libkdeui.so.5
#16235 0x00007ffff739dc3d in QCoreApplication::notifyInternal(QObject*,
QEvent*) ()
   from /usr/lib/libQtCore.so.4
#16236 0x00007ffff73cb410 in ?? () from /usr/lib/libQtCore.so.4

#16237 0x00007ffff26bdf06 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#16238 0x00007ffff26be258 in ?? () from /usr/lib/libglib-2.0.so.0
#16239 0x00007ffff26be2fc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#16240 0x00007ffff73ca8f6 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#16241 0x00007ffff739c96f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#16242 0x00007ffff739cc65 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQtCore.so.4
#16243 0x00007ffff729b67f in QThread::exec() () from /usr/lib/libQtCore.so.4
#16244 0x00007ffff600179a in ?? () from /usr/lib/libkimap.so.4
#16245 0x00007ffff729dd1f in ?? () from /usr/lib/libQtCore.so.4
#16246 0x00007ffff321fdd2 in start_thread () from /usr/lib/libpthread.so.0
#16247 0x00007ffff3976ced in clone () from /usr/lib/libc.so.6

I know this doesn't look all that useful, but I'm happy to perform any testing
that's required.  Also just let me know what binaries you'd like debug symbols
installed for to make the backtrace more useful.  Right now, I've had to set up
a cron job that checks the resource is still running every minute and
re-launches it if not (akonadi generally doesn't notice it's dies, and doesn't
re-spawn it).

Reproducible: Sometimes

Steps to Reproduce:
Wait...it crashes every half hour or so.


Expected Results:  
It shouldn't crash.

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