196398 2019-03-29 08:36:08 -0700 [iOS] Safari crashes on launch on trunk (as of r243644) 2019-03-29 08:49:58 -0700 1 1 1 Unclassified WebKit Scrolling WebKit Nightly Build Unspecified Unspecified RESOLVED INVALID P2 Normal --- 1 wenson_hsieh webkit-unassigned oldest_to_newest 1522453 0 wenson_hsieh 2019-03-29 08:36:08 -0700 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x2000000104d8f1e0 -> 0x0000000104d8f1e0 (possible pointer authentication failure) VM Region Info: 0x104d8f1e0 is in 0x104a3c000-0x1050a0000; bytes after start: 3486176 bytes before end: 3214879 REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL __LINKEDIT 00000001049cc000-0000000104a3c000 [ 448K] r--/rw- SM=COW .../WebBookmarks ---> __TEXT 0000000104a3c000-00000001050a0000 [ 6544K] r-x/rwx SM=COW ...mework/WebKit __DATA_CONST 00000001050a0000-00000001050d0000 [ 192K] r--/rw- SM=COW ...mework/WebKit Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [14028] Triggered by Thread: 0 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed: 0 WebKit 0x0000000104d8f1e0 WebKit::RemoteScrollingTree::scrollingTreeNodeDidScroll(WebCore::ScrollingTreeScrollingNode&, WebCore::ScrollingLayerPositionAction) + 0 1 WebCore 0x000000010768ef5c WebCore::ScrollingTree::commitTreeState(std::__1::unique_ptr<WebCore::ScrollingStateTree, std::__1::default_delete<WebCore::ScrollingStateTree> >) + 648 2 WebKit 0x0000000104d8ee2c WebKit::RemoteScrollingCoordinatorProxy::commitScrollingTreeState(WebKit::RemoteScrollingCoordinatorTransaction const&, WebKit::RemoteScrollingCoordinatorProxy::RequestedScrollInfo&) + 132 3 WebKit 0x0000000104c7e760 WebKit::RemoteLayerTreeDrawingAreaProxy::commitLayerTree(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&) + 200 4 WebKit 0x0000000104aad308 void IPC::handleMessage<Messages::RemoteLayerTreeDrawingAreaProxy::CommitLayerTree, WebKit::RemoteLayerTreeDrawingAreaProxy, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&)>(IPC::Decoder&, WebKit::RemoteLayerTreeDrawingAreaProxy*, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&)) + 116 5 WebKit 0x0000000104a6e388 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 112 6 WebKit 0x0000000104ccff8c WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 36 7 WebKit 0x0000000104a5a9dc IPC::Connection::dispatchMessage(IPC::Decoder&) + 104 8 WebKit 0x0000000104a576bc IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) + 152 9 WebKit 0x0000000104a5a210 IPC::Connection::dispatchIncomingMessages() + 348 10 JavaScriptCore 0x00000001033c0588 WTF::RunLoop::performWork() + 272 11 JavaScriptCore 0x00000001033c0858 WTF::RunLoop::performWork(void*) + 40 12 CoreFoundation 0x00000001f6d90150 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28 13 CoreFoundation 0x00000001f6d900d8 __CFRunLoopDoSource0 + 92 14 CoreFoundation 0x00000001f6d8f838 __CFRunLoopDoSources0 + 184 15 CoreFoundation 0x00000001f6d8a72c __CFRunLoopRun + 1068 16 CoreFoundation 0x00000001f6d89fd8 CFRunLoopRunSpecific + 480 17 GraphicsServices 0x00000001f5f6460c GSEventRunModal + 108 18 UIKitCore 0x00000001fe8427f0 UIApplicationMain + 1956 19 MobileSafari 0x00000001029343dc main + 1504 20 libdyld.dylib 0x00000001f72ebcc0 start + 4 1522461 1 wenson_hsieh 2019-03-29 08:49:58 -0700 Never mind, I can't reproduce this...