[krita] [Bug 455690] New: SAFE ASSERT, Crash after shortcut after using the trackpad for painting.

[vanyossi]

https://bugs.kde.org/show_bug.cgi?id=455690

            Bug ID: 455690
           Summary: SAFE ASSERT, Crash after shortcut after using the
                    trackpad for painting.
           Product: krita
           Version: git master (please specify the git hash!)
          Platform: Compiled Sources
                OS: macOS
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Shortcuts and Canvas Input Settings
          Assignee: krita-bugs-null at kde.org
          Reporter: ghevan at gmail.com
  Target Milestone: ---

Created attachment 149989
  --> https://bugs.kde.org/attachment.cgi?id=149989&action=edit
Full crashlog

krita git (c94a346e42)

After using the trackpad for drawing sometimes there is a safe_assert + crash.
This does not seem to happen ever using mouse or stylus. Video of when it
happened:
https://drive.google.com/file/d/13Z4DWgDs_l6Y0zkDovb0ekDRrB8pcEyV/view I was
testing the undo response time as it was very slow after using trackpad, but
weirdly not after using the stylus. Do we compress events on trackpad events?

It can be reproduced painting with the trackpad.

SAFE ASSERT (krita): "!m_d->readyShortcut" in file
/Users/daedalus/developer/krita/repos/master/krita/libs/ui/input/kis_shortcut_matcher.cpp,
line 790

backtrace
Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib                     0x198b7ad98 __pthread_kill + 8
1   libsystem_pthread.dylib                    0x198bafee0 pthread_kill + 288
2   libsystem_c.dylib                          0x198aea340 abort + 168
3   QtCore                                     0x10b670a90 0x10b658000 + 101008
4   QtCore                                     0x10b92fb10
QMessageLogger::fatal(char const*, ...) const + 116
5   libkritaglobal.19.0.0.dylib                0x10a21aabc
kis_assert_common(char const*, char const*, int, bool, bool) + 1664
(kis_assert.cpp:89)
6   libkritaglobal.19.0.0.dylib                0x10a21b090
kis_safe_assert_recoverable(char const*, char const*, int) + 56
(kis_assert.cpp:107)
7   libkritaui.19.0.0.dylib                    0x1050e909c
KisShortcutMatcher::tryEndRunningShortcut(Qt::MouseButton, QEvent*) + 160
(kis_shortcut_matcher.cpp:790)
8   libkritaui.19.0.0.dylib                    0x1050e8eac
KisShortcutMatcher::buttonReleased(Qt::MouseButton, QEvent*) + 248
(kis_shortcut_matcher.cpp:303)
9   libkritaui.19.0.0.dylib                    0x1050bf5b0
KisInputManager::eventFilterImpl(QEvent*) + 872 (kis_input_manager.cpp:367)
10  libkritaui.19.0.0.dylib                    0x1050bf148
KisInputManager::eventFilter(QObject*, QEvent*) + 540
(kis_input_manager.cpp:220)
11  QtCore                                     0x10b82972c
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) + 252
12  QtWidgets                                  0x1079d5c7c
QApplicationPrivate::notify_helper(QObject*, QEvent*) + 260
13  QtWidgets                                  0x1079d85d8
QApplication::notify(QObject*, QEvent*) + 6124
14  libkritaui.19.0.0.dylib                    0x1051a7b10
KisApplication::notify(QObject*, QEvent*) + 452 (KisApplication.cpp:761)
15  QtCore                                     0x10b829444
QCoreApplication::notifyInternal2(QObject*, QEvent*) + 288
16  QtWidgets                                  0x1079d65f0
QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*,
QWidget**, QPointer<QWidget>&, bool, bool) + 952
17  QtWidgets                                  0x107a2a760 0x1079c4000 + 419680
18  QtWidgets                                  0x107a296c0 0x1079c4000 + 415424
19  QtWidgets                                  0x1079d5c9c
QApplicationPrivate::notify_helper(QObject*, QEvent*) + 292
20  QtWidgets                                  0x1079d7010
QApplication::notify(QObject*, QEvent*) + 548
21  libkritaui.19.0.0.dylib                    0x1051a7b10
KisApplication::notify(QObject*, QEvent*) + 452 (KisApplication.cpp:761)
22  QtCore                                     0x10b829444
QCoreApplication::notifyInternal2(QObject*, QEvent*) + 288
23  QtGui                                      0x10ac01b54
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
+ 2956
24  QtGui                                      0x10abe9254
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
+ 248
25  libqcocoa.dylib                            0x10b11021c 0x10b0dc000 + 213532
26  CoreFoundation                             0x198c7d034
__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28
27  CoreFoundation                             0x198c7cf80 __CFRunLoopDoSource0
+ 208
28  CoreFoundation                             0x198c7cc80
__CFRunLoopDoSources0 + 268
29  CoreFoundation                             0x198c7b600 __CFRunLoopRun + 828
30  CoreFoundation                             0x198c7ab24 CFRunLoopRunSpecific
+ 600
31  HIToolbox                                  0x1a18b3338
RunCurrentEventLoopInMode + 292
32  HIToolbox                                  0x1a18b2fc4
ReceiveNextEventCommon + 324
33  HIToolbox                                  0x1a18b2e68
_BlockUntilNextEventMatchingListInModeWithFilter + 72
34  AppKit                                     0x19b7e178c _DPSNextEvent + 860
35  AppKit                                     0x19b7e0084
-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
+ 1328
36  AppKit                                     0x19b7d2250 -[NSApplication run]
+ 596
37  libqcocoa.dylib                            0x10b10f094 0x10b0dc000 + 209044
38  QtCore                                     0x10b824ca8
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 524
39  QtCore                                     0x10b829b04
QCoreApplication::exec() + 128
40  krita                                      0x102430454 main + 12680
(main.cc:721)
41  dyld                                       0x102d6508c start + 520

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