[Akonadi] [Bug 390260] New: akonadi-ews-resource segfault

[Kai Krakow]

https://bugs.kde.org/show_bug.cgi?id=390260

            Bug ID: 390260
           Summary: akonadi-ews-resource segfault
           Product: Akonadi
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: EWS Resource
          Assignee: kdepim-bugs at kde.org
          Reporter: kai at kaishome.de
                CC: krissn at op.pl
  Target Milestone: ---

Akonadi EWS crashes once in a while:

$ equery b /usr/bin/akonadi_ews_resource
 * Searching for /usr/bin/akonadi_ews_resource ...
kde-apps/kdepim-runtime-17.12.1 (/usr/bin/akonadi_ews_resource)

$ coredumpctl dump 3018
           PID: 3018 (akonadi_ews_res)
           UID: 500 (kakra)
           GID: 500 (kakra)
        Signal: 11 (SEGV)
     Timestamp: Sat 2018-02-10 12:37:14 CET (24h ago)
  Command Line: /usr/bin/akonadi_ews_resource --identifier
akonadi_ews_resource_0
    Executable: /usr/bin/akonadi_ews_resource
 Control Group: /user.slice/user-500.slice/session-c1.scope
          Unit: session-c1.scope
         Slice: user-500.slice
       Session: c1
     Owner UID: 500 (kakra)
       Boot ID: 6062cfc5bd404679bf9f3a0ef42ce52c
    Machine ID: 121b87ca633e8ac0016656680000001b
      Hostname: jupiter
       Storage:
/var/lib/systemd/coredump/core.akonadi_ews_res.500.6062cfc5bd404679bf9f3a0ef42ce52c.3018.1518262634000000.lz4
       Message: Process 3018 (akonadi_ews_res) of user 500 dumped core.

                Stack trace of thread 3018:
                #0  0x00007f4f39a9489b
_ZNK9QHashNodeI7QStringP19KConfigSkeletonItemE8same_keyEjRKS0_
(libKF5ConfigCore.so.5)
                #1  0x00007f4f39a948e9
_ZNK19KCoreConfigSkeleton11isImmutableERK7QString (libKF5ConfigCore.so.5)
                #2  0x000055af9181ba7d
_ZN15EwsSettingsBase22setEventSubscriptionIdERK7QString (akonadi_ews_resource)
                #3  0x000055af9181e297 _ZN22EwsSubscriptionManagerD4Ev
(akonadi_ews_resource)
                #4  0x000055af9180ddd8
_ZN21QScopedPointerDeleterI22EwsSubscriptionManagerE7cleanupEPS0_
(akonadi_ews_resource)
                #5  0x000055af9180de49 _ZN11EwsResourceD0Ev
(akonadi_ews_resource)
                #6  0x00007f4f3c240b9e _ZN7Akonadi12ResourceBase4initEPS0_
(libKF5AkonadiAgentBase.so.5)
                #7  0x000055af918172a7
_ZN7Akonadi12ResourceBase4initI11EwsResourceEEiiPPc (akonadi_ews_resource)
                #8  0x00007f4f374a25f1 __libc_start_main (libc.so.6)
                #9  0x000055af917bb16a _start (akonadi_ews_resource)

                Stack trace of thread 3041:
                #0  0x00007f4f3757018d poll (libc.so.6)
                #1  0x00007f4f34ed18d0 poll (libxcb.so.1)
                #2  0x00007f4f34ed4229 xcb_wait_for_event (libxcb.so.1)
                #3  0x00007f4f2b965f39 _ZN15QXcbEventReader3runEv
(libQt5XcbQpa.so.5)
                #4  0x00007f4f37ef9e39 _ZN14QThreadPrivate5startEPv
(libQt5Core.so.5)
                #5  0x00007f4f343658b7 start_thread (libpthread.so.0)
                #6  0x00007f4f3757b52f __clone (libc.so.6)

                Stack trace of thread 3063:
                #0  0x00007f4f3757018d poll (libc.so.6)
                #1  0x00007f4f322accc6 g_main_context_poll (libglib-2.0.so.0)
                #2  0x00007f4f322acddc g_main_context_iteration
(libglib-2.0.so.0)
                #3  0x00007f4f38128f7f
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5)
                #4  0x00007f4f380cffda
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
                #5  0x00007f4f37ef4e73 _ZN7QThread4execEv (libQt5Core.so.5)
                #6  0x00007f4f397d1585 _ZN22QDBusConnectionManager3runEv
(libQt5DBus.so.5)
                #7  0x00007f4f37ef9e39 _ZN14QThreadPrivate5startEPv
(libQt5Core.so.5)
                #8  0x00007f4f343658b7 start_thread (libpthread.so.0)
                #9  0x00007f4f3757b52f __clone (libc.so.6)

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