[Akonadi] [Bug 400970] New: GMail IMAP: akonadi_imap_resource segmentation fault crash when toggling online state

Jure Repinc bugzilla_noreply at kde.org
Mon Nov 12 17:03:57 GMT 2018 

https://bugs.kde.org/show_bug.cgi?id=400970

            Bug ID: 400970
           Summary: GMail IMAP: akonadi_imap_resource segmentation fault
                    crash when toggling online state
           Product: Akonadi
           Version: 5.9.2
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: IMAP resource
          Assignee: kdepim-bugs at kde.org
          Reporter: jlp at holodeck1.com
  Target Milestone: ---

SUMMARY
I have an IMAP account connected to GMail IMAP server. When I got home from
work I noticed the account did not show the updated mail in KMail. I opened
akonadiconsole and right-clicked on the agent and selected Toggle
Online/Offline. When I did this I got a crash dialog with the following
backtrace:

Application: akonadi_imap_resource (akonadi_imap_resource), signal:
Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
28        return SYSCALL_CANCEL (nanosleep, requested_time, remaining);
[Current thread is 1 (Thread 0x7f864e2b79c0 (LWP 10436))]

Thread 15 (Thread 0x7f861a5ed700 (LWP 17644)):
#0  0x00007f8660ba0d34 in __GI___libc_read (fd=23,
buf=buf at entry=0x7f861a5ec9b0, nbytes=nbytes at entry=16) at
../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f865e6854b0 in read (__nbytes=16, __buf=0x7f861a5ec9b0,
__fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  0x00007f865e6854b0 in g_wakeup_acknowledge (wakeup=0x7f85f4001860) at
gwakeup.c:210
#3  0x00007f865e63fa4b in g_main_context_check
(context=context at entry=0x7f860c0abf70, max_priority=2147483647,
fds=fds at entry=0x7f860c0b3500, n_fds=n_fds at entry=1) at gmain.c:3698
#4  0x00007f865e63fef0 in g_main_context_iterate
(context=context at entry=0x7f860c0abf70, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3917
#5  0x00007f865e64006c in g_main_context_iteration (context=0x7f860c0abf70,
may_block=may_block at entry=1) at gmain.c:3981
#6  0x00007f86612e4adb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f860c0b7840, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007f8661291adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f861a5ecbe0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007f86610e0de6 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007f86610ea9b7 in QThreadPrivate::start(void*) (arg=0x7f86140261c0) at
thread/qthread_unix.cpp:367
#10 0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#11 0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f8606c61700 (LWP 17459)):
#0  0x00007f865e63fafb in g_main_context_dispatch
(context=context at entry=0x7f85f400dba0) at gmain.c:3852
#1  0x00007f865e63ffd8 in g_main_context_iterate
(context=context at entry=0x7f85f400dba0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3920
#2  0x00007f865e64006c in g_main_context_iteration (context=0x7f85f400dba0,
may_block=may_block at entry=1) at gmain.c:3981
#3  0x00007f86612e4adb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f85f400dd00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f8661291adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f8606c60be0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f86610e0de6 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f86610ea9b7 in QThreadPrivate::start(void*) (arg=0x7f861402dbe0) at
thread/qthread_unix.cpp:367
#7  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f8619dec700 (LWP 10466)):
#0  0x00007f8660baa739 in syscall () at
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f86610dfa24 in QtLinuxFutex::_q_futex(int*, int, int, unsigned long
long, int*, int) (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0,
addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007f86610dfa24 in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned
int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned
int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007f86610dfa24 in
futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&,
unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593,
curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007f86610dfa24 in
futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int,
int) (timeout=-1, n=<optimized out>, u=...) at thread/qsemaphore.cpp:264
#5  0x00007f86610dfa24 in QSemaphore::acquire(int) (this=0x7f86616cc2e0,
n=<optimized out>) at thread/qsemaphore.cpp:328
#6  0x00007f866160dd14 in  () at /usr/lib64/libQt5Network.so.5
#7  0x00007f86610ea9b7 in QThreadPrivate::start(void*) (arg=0x7f86616cc2c0) at
thread/qthread_unix.cpp:367
#8  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#9  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f861adee700 (LWP 10454)):
#0  0x00007f865e686839 in g_mutex_lock (mutex=mutex at entry=0x7f8608000bf0) at
gthread-posix.c:1343
#1  0x00007f865e63f681 in g_main_context_query
(context=context at entry=0x7f8608000bf0, max_priority=2147483647,
timeout=timeout at entry=0x7f861adeda94, fds=fds at entry=0x7f8608003ce0,
n_fds=n_fds at entry=1) at gmain.c:3597
#2  0x00007f865e63fec7 in g_main_context_iterate
(context=context at entry=0x7f8608000bf0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3909
#3  0x00007f865e64006c in g_main_context_iteration (context=0x7f8608000bf0,
may_block=may_block at entry=1) at gmain.c:3981
#4  0x00007f86612e4adb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8608000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f8661291adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f861adedbe0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f86610e0de6 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f86610ea9b7 in QThreadPrivate::start(void*) (arg=0x5578ad0fdab0) at
thread/qthread_unix.cpp:367
#8  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#9  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f861bfff700 (LWP 10451)):
#0  0x00007f8660ba0d34 in __GI___libc_read (fd=11,
buf=buf at entry=0x7f861bffe9b0, nbytes=nbytes at entry=16) at
../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f865e6854b0 in read (__nbytes=16, __buf=0x7f861bffe9b0,
__fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  0x00007f865e6854b0 in g_wakeup_acknowledge (wakeup=0x7f86140039b0) at
gwakeup.c:210
#3  0x00007f865e63fa4b in g_main_context_check
(context=context at entry=0x7f8610000bf0, max_priority=2147483647,
fds=fds at entry=0x7f86100049b0, n_fds=n_fds at entry=1) at gmain.c:3698
#4  0x00007f865e63fef0 in g_main_context_iterate
(context=context at entry=0x7f8610000bf0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3917
#5  0x00007f865e64006c in g_main_context_iteration (context=0x7f8610000bf0,
may_block=may_block at entry=1) at gmain.c:3981
#6  0x00007f86612e4adb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8610000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007f8661291adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f861bffebe0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007f86610e0de6 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007f86610ea9b7 in QThreadPrivate::start(void*) (arg=0x5578ad05b810) at
thread/qthread_unix.cpp:367
#10 0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#11 0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8638ff9700 (LWP 10450)):
#0  0x00007f8660ba52c9 in __GI___poll (fds=0x7f8614023770, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f865e63ff46 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f8614023770, timeout=<optimized out>, context=0x7f8614000bf0)
at gmain.c:4221
#2  0x00007f865e63ff46 in g_main_context_iterate
(context=context at entry=0x7f8614000bf0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3915
#3  0x00007f865e64006c in g_main_context_iteration (context=0x7f8614000bf0,
may_block=may_block at entry=1) at gmain.c:3981
#4  0x00007f86612e4adb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8614000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f8661291adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f8638ff8bb0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f86610e0de6 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f866239e545 in  () at /usr/lib64/libQt5DBus.so.5
#8  0x00007f86610ea9b7 in QThreadPrivate::start(void*) (arg=0x7f8662418d60) at
thread/qthread_unix.cpp:367
#9  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f86397fa700 (LWP 10449)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578acef6538) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578acef64e8, cond=0x5578acef6510) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578acef6510,
mutex=0x5578acef64e8) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f8639ffb700 (LWP 10448)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578acf336a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578acf33658, cond=0x5578acf33680) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578acf33680,
mutex=0x5578acf33658) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f863a7fc700 (LWP 10447)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578acf336a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578acf33658, cond=0x5578acf33680) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578acf33680,
mutex=0x5578acf33658) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f863affd700 (LWP 10446)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578acf33598) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578acf33548, cond=0x5578acf33570) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578acf33570,
mutex=0x5578acf33548) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f863b7fe700 (LWP 10445)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578acf33598) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578acf33548, cond=0x5578acf33570) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578acf33570,
mutex=0x5578acf33548) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f863bfff700 (LWP 10444)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578acf33598) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578acf33548, cond=0x5578acf33570) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578acf33570,
mutex=0x5578acf33548) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f864098d700 (LWP 10443)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578ace7d2e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578ace7d290, cond=0x5578ace7d2b8) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578ace7d2b8,
mutex=0x5578ace7d290) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8648f06700 (LWP 10442)):
#0  0x00007f865fbc94dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x5578acf30100) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f865fbc94dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5578acf300b0, cond=0x5578acf300d8) at pthread_cond_wait.c:502
#2  0x00007f865fbc94dc in __pthread_cond_wait (cond=0x5578acf300d8,
mutex=0x5578acf300b0) at pthread_cond_wait.c:655
#3  0x00007f86492fca2b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007f86492fc757 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007f865fbc3554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f8660bafccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f864e2b79c0 (LWP 10436)):
[KCrash Handler]
#6  0x00007f86612c08ab in QObject::disconnect(QObject const*, char const*,
QObject const*, char const*) (sender=0x5578ad22e150, signal=0x0,
receiver=0x5578ad069670, method=0x0) at kernel/qobject.cpp:2987
#7  0x00005578ab472e17 in ImapResourceBase::doSetOnline(bool)
(this=0x5578ad0680f0, online=<optimized out>) at
/usr/src/debug/kdepim-runtime-18.08.2-1.1.x86_64/resources/imap/imapresourcebase.cpp:522
#8  0x00007f8662b2fe2f in Akonadi::AgentBase::setOnlineInternal(bool) () at
/usr/lib64/libKF5AkonadiAgentBase.so.5
#9  0x00007f8662b3056a in Akonadi::AgentBase::setOnline(bool) () at
/usr/lib64/libKF5AkonadiAgentBase.so.5
#10 0x00007f8662b5760c in  () at /usr/lib64/libKF5AkonadiAgentBase.so.5
#11 0x00007f8662b578c3 in  () at /usr/lib64/libKF5AkonadiAgentBase.so.5
#12 0x00007f86623a9eaa in  () at /usr/lib64/libQt5DBus.so.5
#13 0x00007f86623ae4c5 in  () at /usr/lib64/libQt5DBus.so.5
#14 0x00007f86623aed16 in  () at /usr/lib64/libQt5DBus.so.5
#15 0x00007f86623b138e in  () at /usr/lib64/libQt5DBus.so.5
#16 0x00007f86612bc902 in QObject::event(QEvent*) (this=0x5578ad0680f0,
e=<optimized out>) at kernel/qobject.cpp:1251
#17 0x00007f8661ddf4a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this at entry=0x5578acd308d0, receiver=receiver at entry=0x5578ad0680f0,
e=e at entry=0x7f861402d2c0) at kernel/qapplication.cpp:3728
#18 0x00007f8661de6af0 in QApplication::notify(QObject*, QEvent*)
(this=0x7fff27d18be0, receiver=0x5578ad0680f0, e=0x7f861402d2c0) at
kernel/qapplication.cpp:3487
#19 0x00007f8661292e09 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x5578ad0680f0, event=0x7f861402d2c0) at
../../include/QtCore/5.11.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:307
#20 0x00007f8661295dfb in QCoreApplication::sendEvent(QObject*, QEvent*)
(event=0x7f861402d2c0, receiver=<optimized out>) at
kernel/qcoreapplication.h:234
#21 0x00007f8661295dfb in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=0x0, event_type=0, data=0x5578accc9a40) at
kernel/qcoreapplication.cpp:1745
#22 0x00007f86612e5493 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x5578ace964c0) at kernel/qeventdispatcher_glib.cpp:276
#23 0x00007f865e63fc15 in g_main_dispatch (context=0x7f8644004ff0) at
gmain.c:3182
#24 0x00007f865e63fc15 in g_main_context_dispatch
(context=context at entry=0x7f8644004ff0) at gmain.c:3847
#25 0x00007f865e63ffd8 in g_main_context_iterate
(context=context at entry=0x7f8644004ff0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3920
#26 0x00007f865e64006c in g_main_context_iteration (context=0x7f8644004ff0,
may_block=may_block at entry=1) at gmain.c:3981
#27 0x00007f86612e4ac3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x5578acdb1ed0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#28 0x00007f864c7999d1 in  () at /usr/lib64/libQt5XcbQpa.so.5
#29 0x00007f8661291adb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7fff27d18b40, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#30 0x00007f8661299c52 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#31 0x00007f8662b3f17e in Akonadi::ResourceBase::init(Akonadi::ResourceBase*)
() at /usr/lib64/libKF5AkonadiAgentBase.so.5
#32 0x00005578ab45a6a1 in Akonadi::ResourceBase::init<ImapResource>(int,
char**) (argc=<optimized out>, argv=<optimized out>) at
/usr/include/KF5/AkonadiAgentBase/resourcebase.h:182
#33 0x00007f8660ad7feb in __libc_start_main (main=0x5578ab45a510 <main(int,
char**)>, argc=3, argv=0x7fff27d18cf8, init=<optimized out>, fini=<optimized
out>, rtld_fini=<optimized out>, stack_end=0x7fff27d18ce8) at
../csu/libc-start.c:308
#34 0x00005578ab45a54a in _start () at ../sysdeps/x86_64/start.S:120
[Inferior 1 (process 10436) detached]


STEPS TO REPRODUCE
1. Leave KMail with GMail account open for a long time
2. Try to toggle the account online/offline when it gets stuck

OBSERVED RESULT
IMAP resource crashes

EXPECTED RESULT
IMAP resource should not get stuck and should not crash when toggling
online/offline state

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 5.14.2 
KDE Frameworks Version: 5.51.0
Qt Version: 5.11.2

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