In Beta 2 of Ventura 13.1 (22C5044e) I'm seeing consistent WebKit crashes:
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BREAKPOINT (SIGKILL)
Exception Codes: 0x0000000000000001, 0x00000001aebfe8d0
Termination Reason: Namespace PAC_EXCEPTION, Code 1
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 JavaScriptCore 0x1aebfe8d0 WTFCrashWithInfoImpl(int, char const*, char const*, int, unsigned long long) + 4
1 WebKit 0x1b53971dc WebKit::AuxiliaryProcess::didReceiveInvalidMessage(IPC::Connection&, IPC::MessageName) + 612
2 WebKit 0x1b55b4b74 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) + 1424
3 WebKit 0x1b55b750c ***::Detail::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_13, void>::call() + 188
4 JavaScriptCore 0x1aec3fb90 ***::RunLoop::performWork() + 200
5 JavaScriptCore 0x1aec408c8 ***::RunLoop::performWork(void*) + 36
6 CoreFoundation 0x195493a18 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28
7 CoreFoundation 0x1954939ac __CFRunLoopDoSource0 + 176
8 CoreFoundation 0x19549371c __CFRunLoopDoSources0 + 244
9 CoreFoundation 0x195492320 __CFRunLoopRun + 836
10 CoreFoundation 0x195491888 CFRunLoopRunSpecific + 612
11 Foundation 0x196399e58 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212
12 Foundation 0x196412cf0 -[NSRunLoop(NSRunLoop) run] + 64
13 libxpc.dylib 0x19512f380 _xpc_objc_main + 860
14 libxpc.dylib 0x19512eca0 xpc_main + 108
15 WebKit 0x1b53c69ec WebKit::XPCServiceMain(int, char const**) + 256
16 dyld 0x19508be50 start + 2544
This is happening in an x64 app which is using WKWebView, running on a M1 mac. I'm not sure what is causing this, but I suspect it may have something to do with using the JavaScript function:
webkit.messageHandlers.javascriptToHost.postMessage();
Submitted as FB11786440 Anyone else seeing this?
