I has a hybrid app, use WebView as front end. Recently, some users mailed me to report a crash. They said that app crashed when any button clicked in newly released 10.12.6 beta. There is the crash report send by users. Date/Time: 2017-06-01 17:17:15.893 +0900 OS Version: Mac OS X 10.12.6 (16G8c) Report Version: 12 Anonymous UUID: 37EA04A4-BB23-7B96-C868-4BAE97344563 Sleep/Wake UUID: 8224680D-404B-4647-9B02-39C543C7A7CB Time Awake Since Boot: 1200 seconds Time Since Wake: 1000 seconds System Integrity Protection: enabled Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: EXC_I386_GPFLT Exception Note: EXC_CORPSE_NOTIFY Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x00007fffbaa0d14c WebCore::AXObjectCache::getOrCreate(WebCore::RenderObject*) + 1532 1 com.apple.WebCore 0x00007fffbaa155d9 WebCore::AXObjectCache::performDeferredCacheUpdate() + 105 2 com.apple.WebCore 0x00007fffba79c2d2 WebCore::FrameView::performPostLayoutTasks() + 562 3 com.apple.WebCore 0x00007fffba792c61 WebCore::FrameView::layout(bool) + 4017 4 com.apple.WebCore 0x00007fffba791b59 WebCore::FrameView::updateLayoutAndStyleIfNeededRecursive() + 153 5 com.apple.WebKitLegacy 0x00007fffbbb11c98 LayerFlushController::flushLayers() + 72 6 com.apple.WebCore 0x00007fffbb3496ac WebCore::LayerFlushScheduler::layerFlushCallback() + 28 7 com.apple.WebKitLegacy 0x00007fffbbc20c08 WebViewLayerFlushScheduler::layerFlushCallback() + 24 8 com.apple.CoreFoundation 0x00007fffb39a1d37 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23 9 com.apple.CoreFoundation 0x00007fffb39a1ca7 __CFRunLoopDoObservers + 391 10 com.apple.CoreFoundation 0x00007fffb3982136 CFRunLoopRunSpecific + 454 11 com.apple.HIToolbox 0x00007fffb2ee2ebc RunCurrentEventLoopInMode + 240 12 com.apple.HIToolbox 0x00007fffb2ee2bf9 ReceiveNextEventCommon + 184 13 com.apple.HIToolbox 0x00007fffb2ee2b26 _BlockUntilNextEventMatchingListInModeWithFilter + 71 14 com.apple.AppKit 0x00007fffb147ba54 _DPSNextEvent + 1120 15 com.apple.AppKit 0x00007fffb1bf77ee -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2796 16 com.apple.AppKit 0x00007fffb14703db -[NSApplication run] + 926 17 com.apple.AppKit 0x00007fffb143ae0e NSApplicationMain + 1237 18 libdyld.dylib 0x00007fffc90fd235 start + 1
<rdar://problem/32531200>
Thank you for the report! Next time, please attach a full crash log. *** This bug has been marked as a duplicate of bug 171768 ***