Bug 495155

Summary:	Recurring crash of the EWS resource
Product:	[Frameworks and Libraries] Akonadi	Reporter:	Louis Moureaux <m_louis30>
Component:	EWS Resource	Assignee:	kdepim bugs <kdepim-bugs>
Status:	RESOLVED FIXED
Severity:	crash	CC:	carl, krissn
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Neon
OS:	Linux
Latest Commit:	https://invent.kde.org/pim/kdepim-runtime/-/commit/21d14f3e349a01c574c8d1c288d6070a7e30dc6a	Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description Louis Moureaux 2024-10-21 18:32:54 UTC

Application: akonadi_ews_resource (6.2.2 (24.08.2))

ApplicationNotResponding [ANR]: false
Qt Version: 6.7.2
Frameworks Version: 6.7.0
Operating System: Linux 6.8.0-47-generic x86_64
Windowing System: Wayland
Distribution: KDE neon 6.2
DrKonqi: 6.2.1 [CoredumpBackend]

-- Information about the crash:
The EWS resource first stops syncing mails, then ends up crashing with the attached stack trace. After restarting akonadi, the resource works for some time then crashes again.

The crash can be reproduced every time.

-- Backtrace (Reduced):
#6  QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::get (this=0x8, this=<optimized out>) at /usr/src/qt6-base-6.7.2-0zneon+24.04+noble+release+build3/src/corelib/tools/qscopedpointer.h:110
[...]
#9  QObject::deleteLater (this=0x0) at /usr/src/qt6-base-6.7.2-0zneon+24.04+noble+release+build3/src/corelib/kernel/qobject.cpp:2462
#10 0x00005840a7afb2a2 in EwsSubscriptionManager::getEventsRequestFinished (this=0x5840a93e5bd0, job=0x795d94117360) at /usr/src/kdepim-runtime-4:24.08.2-0zneon+24.04+noble+release+build7/resources/ews/ewssubscriptionmanager.cpp:175
#11 0x0000795e4c464d34 in QtPrivate::QSlotObjectBase::call (a=0x7fff05f2bc80, r=0x5840a93e5bd0, this=0x795d9410e030, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/qt6-base-6.7.2-0zneon+24.04+noble+release+build3/src/corelib/kernel/qobjectdefs_impl.h:469
#12 doActivate<false> (sender=0x795d94117360, signal_index=6, argv=0x7fff05f2bc80) at /usr/src/qt6-base-6.7.2-0zneon+24.04+noble+release+build3/src/corelib/kernel/qobject.cpp:4086


Reported using DrKonqi

Comment 1 Louis Moureaux 2024-10-21 18:32:55 UTC

Created attachment 175091 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.

Comment 2 Bug Janitor Service 2024-10-21 18:45:55 UTC

A possibly relevant merge request was started @ https://invent.kde.org/pim/kdepim-runtime/-/merge_requests/186

Comment 3 Louis Moureaux 2024-10-25 20:00:50 UTC

Git commit b4c8189185918c8fd120298edeac8a37217cd70c by Louis Moureaux.
Committed on 21/10/2024 at 18:40.
Pushed by carlschwan into branch 'master'.

EWS: Check that mEventReq is not null in EwsSubscriptionManager

This is only defensive programming to prevent a crash, I do not
understand the code deeply enough to do more.

M  +4    -2    resources/ews/ewssubscriptionmanager.cpp

https://invent.kde.org/pim/kdepim-runtime/-/commit/b4c8189185918c8fd120298edeac8a37217cd70c

Comment 4 Carl Schwan 2024-10-25 20:01:13 UTC

Git commit 21d14f3e349a01c574c8d1c288d6070a7e30dc6a by Carl Schwan.
Committed on 25/10/2024 at 20:01.
Pushed by carlschwan into branch 'release/24.08'.

EWS: Check that mEventReq is not null in EwsSubscriptionManager

This is only defensive programming to prevent a crash, I do not
understand the code deeply enough to do more.


(cherry picked from commit b4c8189185918c8fd120298edeac8a37217cd70c)

Co-authored-by: Louis Moureaux <m_louis30@yahoo.com>

M  +4    -2    resources/ews/ewssubscriptionmanager.cpp

https://invent.kde.org/pim/kdepim-runtime/-/commit/21d14f3e349a01c574c8d1c288d6070a7e30dc6a