23959728: App Crashes when Web View Resigns First Responder Status

[openradar-mirror]

Description

App crashed when the web view displayed to the user resigned first responder status:

"StackTrace" : [
"#0 MyApp 0X000D0B93 +[Logging signalHandler:]",
"#1 MyApp 0X000AD299 -[NSURL myCategory]",
"#2 libsystem_platform.dylib 0X24C7C077 _sigtramp()",
"#3 libobjc.A.dylib 0X246F5947 ()",
"#4 libobjc.A.dylib 0X246F58A3 ()",
"#5 libobjc.A.dylib 0X246EE2D5 class_respondsToSelector()",
"#6 CoreFoundation 0X24F4B52B ()",
"#7 CoreFoundation 0X24E7BC08 -[NSKVONotifying__UIPopoverLayoutInfo setContentInset:]",
"#8 UIKit 0X29569069 -[_UIKeyboardTextSelectionGestureController redisableEnclosingScrollViewNestedPinching]",
"#9 UIKit 0X29567DA9 -[_UIKeyboardTextSelectionGestureController _cleanupDeadGesturesIfNecessary]",
"#10 UIKit 0X2947A7B9 -[UIKeyboardImpl setTextSelectionControllerFromDelegate]",
"#11 UIKit 0X290B2291 -[UIKeyboardImpl setDelegate:force:]",
"#12 UIKit 0X290AB9AB -[UIPeripheralHost _reloadInputViewsForResponder:]",
"#13 UIKit 0X29193689 -[UIResponder _finishResignFirstResponder]",
"#14 UIKit 0X29134DB7 -[UIResponder resignFirstResponder]",
"#15 UIKit 0X2929FEC1 -[UIWebDocumentView resignFirstResponder]",
"#16 UIKit 0X2929FDE1 -[UIWebBrowserView resignFirstResponder]",
"#17 UIKit 0X29748751 -[_UIRemoteKeyboards keyboardChanged:shouldConsiderSnapshottingKeyboard:isLocalEvent:]",
"#18 UIKit 0X2974894B ()",
"#19 FrontBoardServices 0X2622CC7F -[FBSSerialQueue _performNext]",
"#20 FrontBoardServices 0X2622CF71 -[FBSSerialQueue _performNextFromRunLoopSource]",
"#21 CoreFoundation 0X24F0B68F ()",
"#22 CoreFoundation 0X24F0B27D ()",
"#23 CoreFoundation 0X24F095EB ()",
"#24 CoreFoundation 0X24E5CBF9 CFRunLoopRunSpecific()",
"#25 CoreFoundation 0X24E5C9E5 CFRunLoopRunInMode()",
"#26 GraphicsServices 0X260A8AC9 GSEventRunModal()",
"#27 UIKit 0X290ECBA1 UIApplicationMain()",
"#28 MyApp 0X0001A6D7 -[AppDelegate myMethod]",
"#29 libdyld.dylib 0X24B0B873 ()"

Product Version: 9.2 (13C75)
Created: 2015-12-18T21:37:11.949590
Originated: 2015-12-18T00:00:00
Open Radar Link: http://www.openradar.me/23959728