[Interest] Crash on Qt iOS - NSUndoStack popAndInvoke (NSUndoManager.m:1714)

[Nuno Santos]

Hi,

I have been having this stack trace related with undo manager. It is very particular to one single tester.

Is anyone having similar problems?

Thread 0 name:
Thread 0 Crashed:
0   libobjc.A.dylib               	0x000000019d454820 objc_msgSend + 32
1   Foundation                    	0x00000001a4773410 -[_NSUndoStack popAndInvoke] + 116 (NSUndoManager.m:1714)
2   Foundation                    	0x00000001a47717c4 -[NSUndoManager __redoCommonDoSingle:] + 184 (NSUndoManager.m:771)
3   UIKit                         	0x000000023ba23c50 -[NSUndoManagerAccessibility__UIKit__Foundation redo] + 76 (NSUndoManagerAccessibility.m:38)
4   UIKitCore                     	0x00000001a7ff1aac -[UIUndoGestureInteraction redo:] + 44 (UIUndoGestureInteraction.m:1536)
5   UIKitCore                     	0x00000001a7ff13a4 -[UIUndoGestureInteraction performActionWithDirection:] + 104 (UIUndoGestureInteraction.m:0)
6   UIKitCore                     	0x00000001a7ff10bc -[UIUndoGestureInteraction _endPanWithDirection:] + 40 (UIUndoGestureInteraction.m:1346)
7   UIKitCore                     	0x00000001a7ff150c -[UIUndoGestureInteraction performGestureWithDirection:authenticationMessage:] + 120 (UIUndoGestureInteraction.m:1447)
8   UIKitCore                     	0x00000001a78016dc -[_UIProductivityGestureAction _handleActionForWindowScene:] + 268 (UIProductivityGestureAction.m:56)
9   UIKitCore                     	0x00000001a7655344 -[UIApplication _handleNonLaunchSpecificActions:forScene:withTransitionContext:completion:] + 3416 (UIApplication.m:11401)
10  UIKitCore                     	0x00000001a73ea788 -[UIScene _emitSceneSettingsUpdateResponseForCompletion:afterSceneUpdateWork:] + 420 (UIScene.m:1742)
11  UIKitCore                     	0x00000001a73ea52c -[UIScene scene:didUpdateWithDiff:transitionContext:completion:] + 244 (UIScene.m:2012)
12  UIKitCore                     	0x00000001a73ea36c -[UIApplicationSceneClientAgent scene:handleEvent:withCompletion:] + 336 (UIApplicationSceneClientAgent.m:86)
13  FrontBoardServices            	0x00000001bd55641c -[FBSScene updater:didReceiveActions:forExtension:] + 1160 (FBSScene.m:904)
14  FrontBoardServices            	0x00000001bd53c19c -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] + 168 (FBSWorkspace.m:411)
15  FrontBoardServices            	0x00000001bd576cc4 __71-[FBSWorkspaceScenesClient sceneID:sendActions:toExtension:completion:]_block_invoke + 220 (FBSWorkspaceScenesClient.m:563)
16  libdispatch.dylib             	0x00000001ad082300 _dispatch_client_callout + 20 (object.m:561)
17  libdispatch.dylib             	0x00000001ad085d48 _dispatch_block_invoke_direct + 284 (queue.c:496)
18  FrontBoardServices            	0x00000001bd538520 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 52 (FBSSerialQueue.m:285)
19  FrontBoardServices            	0x00000001bd5384a0 -[FBSMainRunLoopSerialQueue _targetQueue_performNextIfPossible] + 240 (FBSSerialQueue.m:309)
20  FrontBoardServices            	0x00000001bd538378 -[FBSMainRunLoopSerialQueue _performNextFromRunLoopSource] + 28 (FBSSerialQueue.m:322)
21  CoreFoundation                	0x00000001a50bd0ac __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28 (CFRunLoop.c:1957)
22  CoreFoundation                	0x00000001a50bc328 __CFRunLoopDoSource0 + 176 (CFRunLoop.c:2001)
23  CoreFoundation                	0x00000001a50bab3c __CFRunLoopDoSources0 + 340 (CFRunLoop.c:2046)
24  CoreFoundation                	0x00000001a50b9818 __CFRunLoopRun + 828 (CFRunLoop.c:2955)
25  CoreFoundation                	0x00000001a50b93f8 CFRunLoopRunSpecific + 608 (CFRunLoop.c:3420)
26  GraphicsServices              	0x00000001e86474f8 GSEventRunModal + 164 (GSEvent.c:2196)
27  UIKitCore                     	0x00000001a74df8a0 -[UIApplication _run] + 888 (UIApplication.m:3685)
28  UIKitCore                     	0x00000001a74deedc UIApplicationMain + 340 (UIApplication.m:5270)
29  BAM                           	0x000000010462a660 qt_main_wrapper + 820
30  dyld                          	0x00000001c7e0edcc start + 2240 (dyldMain.cpp:1269)