FS#61042 - [qt5-base] 5.12 makes krita crash (double free QTabletEvent)

Attached to Project: Arch Linux
Opened by Naquatis (Naquatis) - Wednesday, 12 December 2018, 09:42 GMT
Last edited by Antonio Rojas (arojas) - Wednesday, 12 December 2018, 13:22 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Antonio Rojas (arojas)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
Krita 4.1.6 is crashing if you try to use it with a pen tablet like wacon cintiq and it is not able to open recent documents on the start screen.

Additional info:
* 4.1.6


Steps to reproduce:
Try to open recent documents on start screen and use a pen tablet on krita 4.1.6 maybe a wacom cintiq.
This task depends upon

Closed by  Antonio Rojas (arojas)
Wednesday, 12 December 2018, 13:22 GMT
Reason for closing:  Fixed
Additional comments about closing:  krita 4.1.7
Comment by Antonio Rojas (arojas) - Wednesday, 12 December 2018, 09:55 GMT
Backtrace? Also, please don't mix different issues in the same ticket. Report the recent documents issue upstream.
Comment by Naquatis (Naquatis) - Wednesday, 12 December 2018, 10:31 GMT
Thanks for your effort! Hope the following is what you name a backtrace:

PID: 5852 (krita)
UID: 1001 (naquatis)
GID: 100 (users)
Signal: 6 (ABRT)
Timestamp: Wed 2018-12-12 11:15:54 CET (7min ago)
Command Line: krita
Executable: /usr/bin/krita
Control Group: /user.slice/user-1001.slice/session-3.scope
Unit: session-3.scope
Slice: user-1001.slice
Session: 3
Owner UID: 1001 (naquatis)
Boot ID: 7388718a6f3040a988e5eb0f142a084d
Machine ID: 4bdcd118e16d4db886caf8987223302b
Hostname: rore
Storage: /var/lib/systemd/coredump/core.krita.1001.7388718a6f3040a988e5eb0f142a084d.5852.1544609754000000.lz4
Message: Process 5852 (krita) of user 1001 dumped core.

Stack trace of thread 5852:
#0 0x00007f0684f3bd7f raise (libc.so.6)
#1 0x00007f06865ab6cf _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5)
#2 0x00007f0684f3be00 __restore_rt (libc.so.6)
#3 0x00007f0684f3bd7f raise (libc.so.6)
#4 0x00007f0684f26672 abort (libc.so.6)
#5 0x00007f0684f7e878 __libc_message (libc.so.6)
#6 0x00007f0684f8518a malloc_printerr (libc.so.6)
#7 0x00007f0684f86b27 _int_free (libc.so.6)
#8 0x00007f06858cd8c1 _ZN12QTabletEventD1Ev (libQt5Gui.so.5)
#9 0x00007f0685ebcdf1 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
#10 0x00007f06874478b8 _ZN14KisApplication6notifyEP7QObjectP6QEvent (libkritaui.so.17)
#11 0x00007f06854eb8f9 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
#12 0x00007f068752904b n/a (libkritaui.so.17)
#13 0x00007f0687522b58 n/a (libkritaui.so.17)
#14 0x00007f0687522eb4 n/a (libkritaui.so.17)
#15 0x00007f0687526c4a n/a (libkritaui.so.17)
#16 0x00007f068752a3cb _ZN17KisXi2EventFilter17nativeEventFilterERK10QByteArrayPvPl (libkritaui.so.17)
#17 0x00007f06854e93bf _ZN24QAbstractEventDispatcher17filterNativeEventERK10QByteArrayPvPl (libQt5Core.so.5)
#18 0x00007f067da22cc2 _ZN14QXcbConnection14handleXcbEventEP19xcb_generic_event_t (libQt5XcbQpa.so.5)
#19 0x00007f067da23a54 _ZN14QXcbConnection16processXcbEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5XcbQpa.so.5)
#20 0x00007f067da4e994 n/a (libQt5XcbQpa.so.5)
#21 0x00007f06828733cf g_main_context_dispatch (libglib-2.0.so.0)
#22 0x00007f0682874f89 n/a (libglib-2.0.so.0)
#23 0x00007f0682874fce g_main_context_iteration (libglib-2.0.so.0)
#24 0x00007f06855415a9 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#25 0x00007f06854ea58c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#26 0x00007f06854f2896 _ZN16QCoreApplication4execEv (libQt5Core.so.5)
#27 0x000055ec201523aa main (krita)
#28 0x00007f0684f28223 __libc_start_main (libc.so.6)
#29 0x000055ec201534be _start (krita)

Stack trace of thread 5862:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5868:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5909:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5874:
#0 0x00007f0684ff4c21 __poll (libc.so.6)
#1 0x00007f0682874ee0 n/a (libglib-2.0.so.0)
#2 0x00007f0682874fce g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007f06855415a9 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4 0x00007f06854ea58c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5 0x00007f068532e5c9 _ZN7QThread4execEv (libQt5Core.so.5)
#6 0x00007f0629a45e5b n/a (libQt5Quick.so.5)
#7 0x00007f068532f9cc n/a (libQt5Core.so.5)
#8 0x00007f0683296a9d start_thread (libpthread.so.0)
#9 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5861:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5864:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5891:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5856:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5865:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5907:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5854:
#0 0x00007f0684ff4c21 __poll (libc.so.6)
#1 0x00007f0682874ee0 n/a (libglib-2.0.so.0)
#2 0x00007f0682874fce g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007f0682875022 n/a (libglib-2.0.so.0)
#4 0x00007f068283e3eb n/a (libglib-2.0.so.0)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5853:
#0 0x00007f0684ff0ebf __close (libc.so.6)
#1 0x00007f06865aa13b n/a (libKF5Crash.so.5)
#2 0x00007f06865ab086 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5)
#3 0x00007f0684f3be00 __restore_rt (libc.so.6)
#4 0x00007f0684f3bd7f raise (libc.so.6)
#5 0x00007f0684f26672 abort (libc.so.6)
#6 0x00007f0684f7e878 __libc_message (libc.so.6)
#7 0x00007f0684f8518a malloc_printerr (libc.so.6)
#8 0x00007f0684f856e4 munmap_chunk (libc.so.6)
#9 0x00007f0684f8a07b __malloc_arena_thread_freeres (libc.so.6)
#10 0x00007f0683296ac5 start_thread (libpthread.so.0)
#11 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5904:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5892:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5863:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5872:
#0 0x00007f0684ffa4ed syscall (libc.so.6)
#1 0x00007f0685332051 n/a (libQt5Core.so.5)
#2 0x00007f0685331ec2 _ZN10QSemaphore10tryAcquireEii (libQt5Core.so.5)
#3 0x00007f06842d4b5d _ZN18KisTileDataSwapper3runEv (libkritaimage.so.17)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5901:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5908:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5858:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5870:
#0 0x00007f0684ff4c21 __poll (libc.so.6)
#1 0x00007f0682874ee0 n/a (libglib-2.0.so.0)
#2 0x00007f0682874fce g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007f06855415a9 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4 0x00007f06854ea58c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5 0x00007f068532e5c9 _ZN7QThread4execEv (libQt5Core.so.5)
#6 0x00007f06832c4ba6 n/a (libQt5DBus.so.5)
#7 0x00007f068532f9cc n/a (libQt5Core.so.5)
#8 0x00007f0683296a9d start_thread (libpthread.so.0)
#9 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5903:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5902:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5873:
#0 0x00007f0684ff4c21 __poll (libc.so.6)
#1 0x00007f0682874ee0 n/a (libglib-2.0.so.0)
#2 0x00007f0682874fce g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007f06855415a9 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4 0x00007f06854ea58c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5 0x00007f068532e5c9 _ZN7QThread4execEv (libQt5Core.so.5)
#6 0x00007f062a0d7b89 n/a (libQt5Qml.so.5)
#7 0x00007f068532f9cc n/a (libQt5Core.so.5)
#8 0x00007f0683296a9d start_thread (libpthread.so.0)
#9 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5860:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5855:
#0 0x00007f0684ff4c21 __poll (libc.so.6)
#1 0x00007f0682874ee0 n/a (libglib-2.0.so.0)
#2 0x00007f0682875f62 g_main_loop_run (libglib-2.0.so.0)
#3 0x00007f06770eac28 n/a (libgio-2.0.so.0)
#4 0x00007f068283e3eb n/a (libglib-2.0.so.0)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5857:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5906:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5866:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5867:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5905:
#0 0x00007f068329cef6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f0685335a59 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
#2 0x00007f0685335b97 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
#3 0x00007f0685333bb4 n/a (libQt5Core.so.5)
#4 0x00007f068532f9cc n/a (libQt5Core.so.5)
#5 0x00007f0683296a9d start_thread (libpthread.so.0)
#6 0x00007f0684fffb23 __clone (libc.so.6)

Stack trace of thread 5859:
#0 0x00007f068329cafc pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f066f9cddec n/a (radeonsi_dri.so)
#2 0x00007f066f9cdb28 n/a (radeonsi_dri.so)
#3 0x00007f0683296a9d start_thread (libpthread.so.0)
#4 0x00007f0684fffb23 __clone (libc.so.6)
Comment by Antonio Rojas (arojas) - Wednesday, 12 December 2018, 10:51 GMT
Yes, thanks
Comment by Naquatis (Naquatis) - Wednesday, 12 December 2018, 11:03 GMT
Ups, I think you mean what gdb bt will show on this PID:

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `krita'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f0684f3bd7f in raise () from /usr/lib/libc.so.6
[Current thread is 1 (Thread 0x7f067df98c80 (LWP 5852))]
(gdb) bt
#0 0x00007f0684f3bd7f in raise () at /usr/lib/libc.so.6
#1 0x00007f06865ab6cf in KCrash::defaultCrashHandler(int) () at /usr/lib/libKF5Crash.so.5
#2 0x00007f0684f3be00 in <signal handler called> () at /usr/lib/libc.so.6
#3 0x00007f0684f3bd7f in raise () at /usr/lib/libc.so.6
#4 0x00007f0684f26672 in abort () at /usr/lib/libc.so.6
#5 0x00007f0684f7e878 in __libc_message () at /usr/lib/libc.so.6
#6 0x00007f0684f8518a in () at /usr/lib/libc.so.6
#7 0x00007f0684f86b27 in _int_free () at /usr/lib/libc.so.6
#8 0x00007f06858cd8c1 in QTabletEvent::~QTabletEvent() () at /usr/lib/libQt5Gui.so.5
#9 0x00007f0685ebcdf1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f06874478b8 in KisApplication::notify(QObject*, QEvent*) () at /usr/lib/libkritaui.so.17
#11 0x00007f06854eb8f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f068752904b in () at /usr/lib/libkritaui.so.17
#13 0x00007f0687522b58 in () at /usr/lib/libkritaui.so.17
#14 0x00007f0687522eb4 in () at /usr/lib/libkritaui.so.17
#15 0x00007f0687526c4a in () at /usr/lib/libkritaui.so.17
#16 0x00007f068752a3cb in KisXi2EventFilter::nativeEventFilter(QByteArray const&, void*, long*) () at /usr/lib/libkritaui.so.17
#17 0x00007f06854e93bf in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5
#18 0x00007f067da22cc2 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5
#19 0x00007f067da23a54 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5XcbQpa.so.5
#20 0x00007f067da4e994 in () at /usr/lib/libQt5XcbQpa.so.5
#21 0x00007f06828733cf in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#22 0x00007f0682874f89 in () at /usr/lib/libglib-2.0.so.0
#23 0x00007f0682874fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#24 0x00007f06855415a9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#25 0x00007f06854ea58c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#26 0x00007f06854f2896 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#27 0x000055ec201523aa in main ()

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