Random crashes at Secret().load for iOS

[Wallethub]

Hello,

We recently switched to using this plugin for our biometric authentication and with the release of our new package, we noticed random crashes related to it. They are as follows:

Thread 0 name:
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x00000001ee50e4e0 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ee50eb24 mach_msg + 76 (mach_msg.c:119)
2 libdispatch.dylib 0x00000001b6827678 _dispatch_mach_send_and_wait_for_reply + 540 (mach.c:815)
3 libdispatch.dylib 0x00000001b6827a00 dispatch_mach_send_with_result_and_wait_for_reply + 60 (mach.c:1973)
4 libxpc.dylib 0x0000000227b51f0c xpc_connection_send_message_with_reply_sync + 240 (connection.c:974)
5 Foundation 0x00000001b8338c1c NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY + 16 (NSXPCConnection.m:223)
6 Foundation 0x00000001b833ecec -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:] + 2540 (NSXPCConnection.m:1649)
7 CoreFoundation 0x00000001b6b3a70c forwarding + 1128 (NSForwarding.m:3618)
8 CoreFoundation 0x00000001b6b39a60 _CF_forwarding_prep_0 + 96
9 LocalAuthentication 0x00000001eda1bd3c __71-[LAClient evaluateACL:operation:options:uiDelegate:synchronous:reply:]_block_invoke + 280 (LAClient.m:578)
10 LocalAuthentication 0x00000001eda1ac80 __47-[LAClient _performSynchronous:callId:finally:]_block_invoke + 584 (LAClient.m:441)
11 libdispatch.dylib 0x00000001b680ca2c _dispatch_client_callout + 20 (object.m:560)
12 libdispatch.dylib 0x00000001b681c2d4 dispatch_sync_invoke_and_complete + 56 (queue.c:1028)
13 LocalAuthentication 0x00000001eda1a9e8 -[LAClient performSynchronous:callId:finally:] + 220 (LAClient.m:460)
14 LocalAuthentication 0x00000001eda1bbbc -[LAClient evaluateACL:operation:options:uiDelegate:synchronous:reply:] + 452 (LAClient.m:577)
15 LocalAuthentication 0x00000001eda23d1c -[LAContext evaluateAccessControl:operation:options:log:cid:synchronous:reply:] + 548 (LAContext.m:673)
16 LocalAuthentication 0x00000001eda24594 -[LAContext evaluateAccessControl:aksOperation:options:error:] + 324 (LAContext.m:750)
17 Security 0x00000001bfb49270 SecItemAuthDoQuery + 1812 (SecItem.m:1441)
18 Security 0x00000001bfb4a468 __SecItemCopyMatching_block_invoke + 140 (SecItem.m:1883)
19 Security 0x00000001bfb50784 SecOSStatusWith + 56 (SecItem.m:331)
20 Security 0x00000001bfb4a18c SecItemCopyMatching + 400 (SecItem.m:1882)
21 WalletHub 0x0000000100adc5f8 specialized Secret.load(:) + 509432 (Fingerprint.swift:293)
22 WalletHub 0x0000000100ada1d4 Fingerprint.loadSecret(:) + 500180 (Fingerprint.swift:168)
23 WalletHub 0x0000000100ada938 @objc Fingerprint.authenticate(:) + 64
24 WalletHub 0x0000000100e46b28 -[CDVCommandQueue execute:] + 500
25 WalletHub 0x0000000100e4c0d0 -[CDVWebViewEngine userContentController:didReceiveScriptMessage:] + 232
26 WalletHub 0x0000000100e4cbac -[CDVWebViewWeakScriptMessageHandler userContentController:didReceiveScriptMessage:] + 100
27 WebKit 0x00000001c596f1c8 ScriptMessageHandlerDelegate::didPostMessage(WebKit::WebPageProxy&, WebKit::FrameInfoData&&, API::ContentWorld&, WebCore::SerializedScriptValue&) + 208 (WKUserContentController.mm:155)
28 WebKit 0x00000001c5cbcda4 WebKit::WebUserContentControllerProxy::didPostMessage(WTF::ObjectIdentifierWebKit::WebPageProxyIdentifierType, WebKit::FrameInfoData&&, unsigned long long, WTF::Span<unsigned char const, 18446744... + 732 (WebUserContentControllerProxy.cpp:346)
29 WebKit 0x00000001c5fa0dcc WebKit::WebUserContentControllerProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 2716 (HandleMessage.h:139)
30 WebKit 0x00000001c59f1b60 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 264 (MessageReceiverMap.cpp:129)
31 WebKit 0x00000001c5c19dac WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 40 (AuxiliaryProcessProxy.cpp:247)
32 WebKit 0x00000001c59e62ac IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_deleteIPC::Decoder >) + 788 (Connection.cpp:1080)
33 WebKit 0x00000001c59e5960 IPC::Connection::dispatchIncomingMessages() + 508 (Connection.cpp:1229)
34 JavaScriptCore 0x00000001c2ef5e10 WTF::RunLoop::performWork() + 200 (Function.h:82)
35 JavaScriptCore 0x00000001c2ef6bac WTF::RunLoop::performWork(void*) + 36 (RunLoopCF.cpp:46)
36 CoreFoundation 0x00000001b6bc7f04 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 28 (CFRunLoop.c:1972)
37 CoreFoundation 0x00000001b6bd8c90 __CFRunLoopDoSource0 + 208 (CFRunLoop.c:2016)
38 CoreFoundation 0x00000001b6b12184 __CFRunLoopDoSources0 + 268 (CFRunLoop.c:2053)
39 CoreFoundation 0x00000001b6b17b4c __CFRunLoopRun + 828 (CFRunLoop.c:2951)
40 CoreFoundation 0x00000001b6b2b6b8 CFRunLoopRunSpecific + 600 (CFRunLoop.c:3268)
41 GraphicsServices 0x00000001d2bc5374 GSEventRunModal + 164 (GSEvent.c:2200)
42 UIKitCore 0x00000001b9490e88 -[UIApplication _run] + 1100 (UIApplication.m:3511)
43 UIKitCore 0x00000001b92125ec UIApplicationMain + 364 (UIApplication.m:5064)
44 WalletHub 0x0000000100a6412c main + 56 (main.m:32)
45 dyld 0x000000010123dce4 start + 520 (dyldMain.cpp:879)

They seem to be primarily for iPhones, models reported so far are XR, XS Max, and iPhone 7 with XS Max having the highest frequency.

Do you guys have any idea what might be happening here?

[expcapitaldev]

+1
Fingerprint.isAvailable

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[expcapitaldev]

for example it is fixed for me
func performAsyncOnGlobal(_execure: @escaping (() -> Void)) {
DispatchQueue.global().async {
_execure()
}
}

@objc(isAvailable:)
func isAvailable(_ command: CDVInvokedUrlCommand){

    performAsyncOnGlobal {
        let authenticationContext = LAContext();

...