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LLDB crash

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Reply to iOS App not able to get VoIP push notification when device is powered on, After opening App VoIP push receiving
Before unlocking device - here understood as caused by device security as first authentication for device yet to be done after restart and device might not have an active network. In our case we can see 4G network symbol is shown on locked device screen. After unlocking device - in this case we can see network symbol 4G is shown on device but still waiting for up to 1/2 minutes App is not receiving VoIP push notification. If User opens App after 1/2 minutes then immediately App is getting VoIP push callback and App showing incoming call popup. In between Caller ends the call and incoming call popup become ghost call. What you're describing above are user level failures. That is, something did not work the way the user thought it should. As a practical matter, that kind of failure doesn't tell you ANYTHING about what's actually going wrong. The next step here is to figure out what actually happened at the system level, then decide how to fix it. Critically, during that process it's very important that you simp
Jul ’25
Reply to Call Blocking (CallKit) not working on iOS 26 Public Beta
Did you make any changes to CXCallDirectoryProvider or CallKit that may prevent call blocking? No, nothing specific to CXCallDirectory changed. However... (or maybe with the new changes that were introduced with call filtering etc in iOS 26) ...there were lots of changes in this area as part of the introduction of Live Caller ID. I've tried lots of call blocking apps (6 apps) and none of them was able to block a call anymore, so this indicates that this should be an issue on the iOS side. Yes, that sounds reasonably likely. However, I need to jump back and expand on what I said here: There's a crash in callservicesd that might cause what you're describing; however, neither of your bugs has enough diagnostic information to confirm that's the case or whether it's a different issue. Broadly speaking, most developer bugs I look at fall along this spectrum, depending on the level of detail they contain: User bug -> This doesn't work. Developer User bug -> This API/part of my app doesn't work. Minima
Topic: App & System Services SubTopic: General Tags:
Jul ’25
Insight into BaseBoard/FrontBoardServices Crashes Needed
We're seeing a sharp uptick in BaseBoard/FrontBoardServices crashes since we migrated from UIApplicationDelegate to UIWindowSceneDelegate. Having exhausted everything on my end short of reverse engineering BaseBoard or making changes without being able to know if they work, I need help. I think all I need to get unstuck is an answer to these questions, if possible: What does -[BSSettings initWithSettings:] enumerate over? If I know what's being enumerated, I'll know what to look for in our app. What triggers FrontBoardServices to do this update? If I can reproduce the crash--or at least better understand when it may happen--I will be better able to fix it Here's two similar stack traces: App_(iOS)-crashreport-07-30-2025_1040-0600-redacted.crash App_(iOS)-crashreport-07-30-2025_1045-0600-redacted.crash Since these are private trameworks, there is no documentation or information on their behavior that I can find. There are other forum posts regarding this crash, on here and on other s
Topic: UI Frameworks SubTopic: General Tags:
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Jul ’25
Reply to Crash in WKScriptMessageHandler — CFRelease / CoreFoundation on iOS with WKWebView
This backtrace is a classic symptom of an over-release bug. Someone has added an object to the autorelease pool and then someone — possible the same code, possibly not — has over released it. When the pool pops, it releases it again, which crashes. I talk about this in depth in Objective-C Memory Management for Swift Programmers. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: Safari & Web SubTopic: General Tags:
Jul ’25
Reply to TCP socket disconnection with EBROKENPIPE during file copy of signed app bundle
I’d like to clarify your setup. Specifically, I’d like to get a better understanding of the actors involved. You mentioned: Your “client server application” “a file server on the same machine” Copying “using using Finder or terminal using cp” So, is your client/server app one app? Or two? And is the server running locally as well? Or just the client? Is the client/server app related to the file server? Or are you using some standard file server protocol, like SMB? And if it’s a standard file server protocol, are you using the built-in client and server implementations? Or something custom? Also, what version of macOS is this? And do you see any crash reports generated at the time you see this error? Oh, and some random notes… I’m not sure where you got EBROKENPIPE from. The error I’d expect to see when you write to a disconnected socket [1] is EPIPE (32). [quote='794958021, bilbo42, /thread/794958, /profile/bilbo42'] necp_socket_find_policy_match: Marking socket in state 258 as defunct [/quote] NECP
Jul ’25
iOS 26 web page with script is terminated on custom scheme WKURLSchemeHandler
Something has changed in iOS 26 and now if custom scheme is used and web page contains scripts WebKit is terminated. 0x1130bc170 - [PID=47858] WebProcessProxy::didClose: (web process 0 crash) 0x1130bc170 - [PID=47858] WebProcessProxy::processDidTerminateOrFailedToLaunch: reason=Crash final class CustomSchemeViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() let sampleConfiguration = WKWebViewConfiguration() sampleConfiguration.setURLSchemeHandler( SampleURLSchemeHandler(), forURLScheme: sample ) let webView = WKWebView(frame: view.bounds, configuration: sampleConfiguration) webView.autoresizingMask = [.flexibleWidth, .flexibleHeight] view.addSubview(webView) webView.navigationDelegate = self webView.load(URLRequest(url: URL(string: sample://pages/sample.html)!)) } } extension CustomSchemeViewController: WKNavigationDelegate { func webViewWebContentProcessDidTerminate(_ webView: WKWebView) { print(webViewWebContentProcessDidTerminate) } } final class SampleUR
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Jul ’25
Reply to Call Blocking (CallKit) not working on iOS 26 Public Beta
We got several user complaints about our app that is not working on iOS 26 Public Beta. ... We've filed 2 bug reports with Feedback Assistant: FB19140680 FB19140594 What API are you blocking calls with? Have you looked into what's actually failing (crashing/hanging/etc)? There's a crash in callservicesd that might cause what you're describing, however, neither of your bugs has enough diagnostic to confirm that's the case or whether it's a different issues. __ Kevin Elliott DTS Engineer, CoreOS/Hardware
Topic: App & System Services SubTopic: General Tags:
Jul ’25
macOS 26 beta 4 and iOS 26 beta 4 - WebKit XML parser crashes parsing XHTML with namespaces
Our app, VitalSource Bookshelf, is an EPUB reader that uses a WKWebView to display book content. The EPUB content format is XHTML and uses namespaces (for the epub:type declaration). On beta 4, the webkit process repeatedly crashes when loading our content. The crash appears to be in the XML parser. Here's what's at the top of the stack trace: 0 WebCore 0x19166a878 WebCore::XMLDocumentParser::startElementNs(unsigned char const*, unsigned char const*, unsigned char const*, int, unsigned char const**, int, int, unsigned char const**) + 4968 1 libxml2.2.dylib 0x19c5a2bd0 xmlParseStartTag2 + 3940 2 libxml2.2.dylib 0x19c59e730 xmlParseTryOrFinish + 2984 3 libxml2.2.dylib 0x19c59d8e4 xmlParseChunk + 708 4 WebCore 0x191668ec8 WebCore::XMLDocumentParser::doWrite(***::String const&) + 636 5 WebCore 0x191665b78 WebCore::XMLDocumentParser::append(***::RefPtr, ***::DefaultRefDerefTraits>&&) + 304 6 WebCore 0x190105db0 WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter
Topic: Safari & Web SubTopic: General
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Jul ’25
Reply to Crashes on iOS 18.x
I’m glad to hear that Network framework is working for you. Closing the loop on this: I thought [the organiser] had a way to get a JSON crash report, but I don’t have the details. I’m researching that. Apparently there isn’t a way to get JSON crash reports from the organiser (r. 157288005)-: Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: App & System Services SubTopic: General Tags:
Jul ’25
Reply to Signing a daemon with the Endpoint Security entitlement
[quote='851050022, Darrilla, /thread/791996?answerId=851050022#851050022, /profile/Darrilla'] Yes, please see my latest responses. [/quote] You mean this post? If so, I see a launchctl load in there but no launchctl start. Those are very different things. Anyway, if you attempted to start the daemon and got no logging, one of two things happened: The daemon failed to start at all. The daemon failed before you got to your log point. I recommend that you rule out the second by creating a ‘first light’ log point, one that runs before any code that could possibly fail. The next step then depends on whether you see that log entry or not. If you do, it’s likely that the daemon crashed and you can look for a crash report. And, failing that, you can march your log point forward until things stop working. If you don’t see the first light log point, I recommend that you look for a crash report. That’s a very common culprit for this. If there’s no crash report, you can deploy launchct
Topic: App & System Services SubTopic: Core OS Tags:
Jul ’25
Crash in WKScriptMessageHandler — CFRelease / CoreFoundation on iOS with WKWebView
We are building a hybrid iOS app using Angular (web) rendered inside a WKWebView, hosted by a native Swift app. Communication between the Angular UI and native Swift code is done using WKScriptMessageHandler. The app mostly works without issues, but in rare edge cases, we’re seeing crashes on the main thread, and the crash is reported in Firebase Crashlytics. The root cause appears related to CFRelease and WKScriptMessageHandler. Here’s the relevant crash stack: Crashed: com.apple.main-thread 0 CoreFoundation 0xbfac CFRelease + 44 1 CoreFoundation 0xa734 __CFURLDeallocate + 128 2 CoreFoundation 0x730c _CFRelease + 292 3 libobjc.A.dylib 0x4e28 AutoreleasePoolPage::releaseUntil(objc_object**) + 204 4 libobjc.A.dylib 0x4cbc objc_autoreleasePoolPop + 260 5 WebKit 0x99f194 WebKit::WebUserContentControllerProxy::didPostMessage(***::ObjectIdentifierGeneric, unsigned long long>, WebKit::FrameInfoData&&, ***::ObjectIdentifierGeneric, unsigned long long>, std::__1::span
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Jul ’25