flutter_inappwebview
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pichillilorenzo
iOS app CRASH when using `windowId` in `InAppWebView`
Is there an existing issue for this?
- [x] I have searched the existing issues
Current Behavior
@pichillilorenzo @AlexV525 @crazecoder @cbodin
We are receiving this error in the iOS simulator reports, when trying to push a page with an InAppWebView on top of another page with InAppWebView by passing the windowId from onCreateWindow callback:
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Codes: 0x0000000000000001, 0x0000000000000000
VM Region Info: 0 is not in any region. Bytes before following region: 4370350080
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
UNUSED SPACE AT START
--->
__TEXT 1047e4000-1047e8000 [ 16K] r-x/r-x SM=COW /Users/USER/Library/Developer/CoreSimulator/Devices/CFCFA94A-B021-4B65-AD60-835A2BC247GT/data/Containers/Bundle/Application/4887C6DF-B82E-42BA-9AF1-83B6477F6YTS/Runner.app/Runner
Termination Reason: SIGNAL 11 Segmentation fault: 11
Terminating Process: exc handler [4908]
Triggered by Thread: 0
Kernel Triage:
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 ??? 0x0 ???
1 flutter_inappwebview_ios 0x104f48b3c specialized InAppWebView.observeValue(forKeyPath:of:change:context:) + 132 (InAppWebView.swift:714)
2 flutter_inappwebview_ios 0x104f2be64 InAppWebView.observeValue(forKeyPath:of:change:context:) + 20 [inlined]
3 flutter_inappwebview_ios 0x104f2be64 @objc InAppWebView.observeValue(forKeyPath:of:change:context:) + 256 (/<compiler-generated>:711)
4 Foundation 0x180eb3200 NSKeyValueNotifyObserver + 248
5 Foundation 0x180eb61e0 NSKeyValueDidChange + 380
6 Foundation 0x180eb276c NSKeyValueDidChangeWithPerThreadPendingNotifications + 144
7 WebKit 0x18c728a1c WebKit::NavigationState::didChangeEstimatedProgress() + 36
8 WebKit 0x18ca2cfa4 WebKit::PageLoadState::callObserverCallback(void (WebKit::PageLoadStateObserverBase::*)()) + 760
9 WebKit 0x18ca2ca3c WebKit::PageLoadState::commitChanges() + 916
10 WebKit 0x18ca7dc04 WebKit::WebPageProxy::didStartProgress() + 136
11 WebKit 0x18c5e7518 WebKit::WebPageProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 2652
12 WebKit 0x18d03a238 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 260
13 WebKit 0x18caed9b4 WebKit::WebProcessProxy::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 36
14 WebKit 0x18c62206c WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 1460
15 WebKit 0x18d0286f4 IPC::Connection::dispatchMessage(WTF::UniqueRef<IPC::Decoder>) + 724
16 WebKit 0x18d028b3c IPC::Connection::dispatchIncomingMessages() + 492
17 JavaScriptCore 0x19815a9f0 WTF::RunLoop::performWork() + 444
18 JavaScriptCore 0x19815b624 WTF::RunLoop::performWork(void*) + 32
19 CoreFoundation 0x1804284b8 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
20 CoreFoundation 0x180428400 __CFRunLoopDoSource0 + 168
21 CoreFoundation 0x180427b88 __CFRunLoopDoSources0 + 220
22 CoreFoundation 0x180422584 __CFRunLoopRun + 780
23 CoreFoundation 0x180421e3c CFRunLoopRunSpecific + 536
24 GraphicsServices 0x190f62d00 GSEventRunModal + 164
25 UIKitCore 0x185bcec98 -[UIApplication _run] + 796
26 UIKitCore 0x185bd3064 UIApplicationMain + 124
27 UIKitCore 0x184f9ad6c 0x184d72000 + 2264428
28 Runner.debug.dylib 0x104819ea4 static UIApplicationDelegate.main() + 128
29 Runner.debug.dylib 0x104819e14 static AppDelegate.$main() + 44
30 Runner.debug.dylib 0x104819f20 __debug_main_executable_dylib_entry_point + 28
31 ??? 0x1049353d8 ???
32 dyld 0x104b92b4c start + 6000
The Flutter application crashes and closes the application.
Simulator: Iphone 16 Pro Simulator iOS 18.4
Xcode version: 16.3
MacOS version: 15.4
flutter_inappwebview version: ^6.1.5
Flutter version: 3.29.0
Dart version: 3.7.0
Expected Behavior
The Flutter application doesn't crash and shows the content of the page when being pushed.
Steps with code example to reproduce
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';
class WebViewTab extends StatefulWidget {
const WebViewTab({super.key, this.initialUrl, this.windowId})
: assert(
(initialUrl == null) != (windowId == null),
'Either [initialUrl] or [windowId] should be set, but not both',
);
final String? initialUrl;
final int? windowId;
@override
State<WebViewTab> createState() => _WebViewTabState();
}
class _WebViewTabState extends State<WebViewTab> {
InAppWebViewController? _webViewController;
bool _isLoading = true;
bool _hasError = false;
static const String _keyPrefix = 'web_view_tab_';
@override
void dispose() {
_webViewController?.dispose();
_webViewController = null;
super.dispose();
}
@override
Widget build(BuildContext context) {
return Stack(
children: [
InAppWebView(
key: ValueKey('$_keyPrefix${widget.windowId ?? 'root'}'),
initialSettings: InAppWebViewSettings(
isInspectable: kDebugMode,
javaScriptCanOpenWindowsAutomatically: true,
supportMultipleWindows: true,
supportZoom: false,
allowsLinkPreview: false,
disableLongPressContextMenuOnLinks: true,
),
windowId: widget.windowId,
initialUrlRequest:
widget.initialUrl != null
? URLRequest(url: WebUri(widget.initialUrl!))
: null,
onWebViewCreated: _handleWebViewCreated,
onLoadStop: _handleLoadStop,
onReceivedError: _handleReceivedError,
onCreateWindow: (_, action) => _handleCreateWindow(context, action),
onCloseWindow: (_) => _handleCloseWindow(context),
),
if (_isLoading) const CircularProgressIndicator(),
],
);
}
void _handleWebViewCreated(InAppWebViewController controller) {
_webViewController = controller;
}
void _handleLoadStop(InAppWebViewController _, WebUri? _) {
setState(() => _isLoading = false);
}
void _handleReceivedError(
InAppWebViewController _,
WebResourceRequest _,
WebResourceError _,
) {
setState(() {
_isLoading = false;
_hasError = true;
});
}
Future<dynamic>? _evaluateJavascript(String code) {
return _webViewController?.evaluateJavascript(source: code);
}
Future<bool> _handleCreateWindow(
BuildContext context,
CreateWindowAction action,
) async {
Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => WebViewTab(windowId: action.windowId),
),
);
return true;
}
void _handleCloseWindow(BuildContext context) {
Navigator.of(context).maybePop();
}
}
Stacktrace/Logs
Stacktrace/Logs
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Codes: 0x0000000000000001, 0x0000000000000000
VM Region Info: 0 is not in any region. Bytes before following region: 4370350080
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
UNUSED SPACE AT START
--->
__TEXT 1047e4000-1047e8000 [ 16K] r-x/r-x SM=COW /Users/USER/Library/Developer/CoreSimulator/Devices/CFCFA94A-B021-4B65-AD60-835A2BC247GT/data/Containers/Bundle/Application/4887C6DF-B82E-42BA-9AF1-83B6477F6YTS/Runner.app/Runner
Termination Reason: SIGNAL 11 Segmentation fault: 11
Terminating Process: exc handler [4908]
Triggered by Thread: 0
Kernel Triage:
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
VM - (arg = 0x3) mach_vm_allocate_kernel failed within call to vm_map_enter
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 ??? 0x0 ???
1 flutter_inappwebview_ios 0x104f48b3c specialized InAppWebView.observeValue(forKeyPath:of:change:context:) + 132 (InAppWebView.swift:714)
2 flutter_inappwebview_ios 0x104f2be64 InAppWebView.observeValue(forKeyPath:of:change:context:) + 20 [inlined]
3 flutter_inappwebview_ios 0x104f2be64 @objc InAppWebView.observeValue(forKeyPath:of:change:context:) + 256 (/<compiler-generated>:711)
4 Foundation 0x180eb3200 NSKeyValueNotifyObserver + 248
5 Foundation 0x180eb61e0 NSKeyValueDidChange + 380
6 Foundation 0x180eb276c NSKeyValueDidChangeWithPerThreadPendingNotifications + 144
7 WebKit 0x18c728a1c WebKit::NavigationState::didChangeEstimatedProgress() + 36
8 WebKit 0x18ca2cfa4 WebKit::PageLoadState::callObserverCallback(void (WebKit::PageLoadStateObserverBase::*)()) + 760
9 WebKit 0x18ca2ca3c WebKit::PageLoadState::commitChanges() + 916
10 WebKit 0x18ca7dc04 WebKit::WebPageProxy::didStartProgress() + 136
11 WebKit 0x18c5e7518 WebKit::WebPageProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 2652
12 WebKit 0x18d03a238 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 260
13 WebKit 0x18caed9b4 WebKit::WebProcessProxy::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 36
14 WebKit 0x18c62206c WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 1460
15 WebKit 0x18d0286f4 IPC::Connection::dispatchMessage(WTF::UniqueRef<IPC::Decoder>) + 724
16 WebKit 0x18d028b3c IPC::Connection::dispatchIncomingMessages() + 492
17 JavaScriptCore 0x19815a9f0 WTF::RunLoop::performWork() + 444
18 JavaScriptCore 0x19815b624 WTF::RunLoop::performWork(void*) + 32
19 CoreFoundation 0x1804284b8 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
20 CoreFoundation 0x180428400 __CFRunLoopDoSource0 + 168
21 CoreFoundation 0x180427b88 __CFRunLoopDoSources0 + 220
22 CoreFoundation 0x180422584 __CFRunLoopRun + 780
23 CoreFoundation 0x180421e3c CFRunLoopRunSpecific + 536
24 GraphicsServices 0x190f62d00 GSEventRunModal + 164
25 UIKitCore 0x185bcec98 -[UIApplication _run] + 796
26 UIKitCore 0x185bd3064 UIApplicationMain + 124
27 UIKitCore 0x184f9ad6c 0x184d72000 + 2264428
28 Runner.debug.dylib 0x104819ea4 static UIApplicationDelegate.main() + 128
29 Runner.debug.dylib 0x104819e14 static AppDelegate.$main() + 44
30 Runner.debug.dylib 0x104819f20 __debug_main_executable_dylib_entry_point + 28
31 ??? 0x1049353d8 ???
32 dyld 0x104b92b4c start + 6000
Flutter version
v3.29.0
Operating System, Device-specific and/or Tool
Iphone 16 Pro iOS 18.4 Xcode 16.3
Plugin version
^6.1.5
Additional information
No response
Self grab
- [ ] I'm ready to work on this issue!
@pichillilorenzo Sorry for the emergency but the issue is causing serious problems. Is there any suggestion how to solve it or where to dig in?
This issue might be related to the current one https://github.com/pichillilorenzo/flutter_inappwebview/issues/2584
able to repro on iPhone X with iOS 16.7.10, and iOS 15.6.
crashed with EXC_BAD_ACCESS at line 1459, InAppWebview.swift.
no crash and able to run with this line commented.
The same line run fine on iOS 18.6, 18.7.
