CoreFoundation crash

Hello, I am facing a strange issue with my app. I am getting a number of crashes in Firebase logs. but I am unable to reproduce it. I am getting the following crash log from the Firebase crash analytics.

StackTrack:

Fatal Exception: NSMallocException
Failed to grow buffer
Fatal Exception: NSMallocException
0  CoreFoundation                 0xa248 __exceptionPreprocess
1  libobjc.A.dylib                0x17a68 objc_exception_throw
2  CoreFoundation                 0x1b2c2c -[NSInvocation _initWithMethodSignature:frame:buffer:size:].cold.1
3  CoreFoundation                 0x1aabfc __CFReallocationFailed
4  CoreFoundation                 0x8b068 __CFSafelyReallocate
5  Foundation                     0x9f678 _convertJSONString
6  Foundation                     0xa158c _writeJSONString
7  Foundation                     0xc56b8 ___writeJSONObject_block_invoke
8  libswiftCore.dylib             0x37ea8c specialized _SwiftDeferredNSDictionary.enumerateKeysAndObjects(options:using:)
9  libswiftCore.dylib             0xc9fec @objc _SwiftDeferredNSDictionary.enumerateKeysAndObjects(options:using:)
10 Foundation                     0x274c4 _writeJSONObject
11 Foundation                     0x50b4c -[_NSJSONWriter dataWithRootObject:options:]
12 Foundation                     0x50578 +[NSJSONSerialization dataWithJSONObject:options:error:]
13 AccountLinking                 0x1c63c (Missing UUID ba0b194e3fe83a5a8990a27a4ef85da6)
14 AccountLinking                 0x1bfac (Missing UUID ba0b194e3fe83a5a8990a27a4ef85da6)
15 AccountLinking                 0x22184 (Missing UUID ba0b194e3fe83a5a8990a27a4ef85da6)
16 AccountLinking                 0x29594 (Missing UUID ba0b194e3fe83a5a8990a27a4ef85da6)
17 AccountLinking                 0x178fc (Missing UUID ba0b194e3fe83a5a8990a27a4ef85da6)
18 libdispatch.dylib              0x3fdc _dispatch_client_callout
19 libdispatch.dylib              0x13574 _dispatch_lane_barrier_sync_invoke_and_complete
20 AccountLinking                 0x28c84 (Missing UUID ba0b194e3fe83a5a8990a27a4ef85da6)
21 AccountLinking                 0x22524 (Missing UUID ba0b194e3fe83a5a8990a27a4ef85da6)
22 WebKit                         0x2e251c ScriptMessageHandlerDelegate::didPostMessage(WebKit::WebPageProxy&, WebKit::FrameInfoData&&, API::ContentWorld&, WebCore::SerializedScriptValue&)
23 WebKit                         0x6dd0dc WebKit::WebUserContentControllerProxy::didPostMessage(***::ObjectIdentifier<WebKit::WebPageProxyIdentifierType>, WebKit::FrameInfoData&&, unsigned long long, ***::Span<unsigned char const, 18446744073709551615ul> const&, ***::CompletionHandler<void (***::Span<unsigned char const, 18446744073709551615ul> const&, ***::String const&)>&&)
24 WebKit                         0xa54f88 WebKit::WebUserContentControllerProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
25 WebKit                         0x3d2d30 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&)
26 WebKit                         0x61d54c WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
27 WebKit                         0x3cb6ac IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)
28 WebKit                         0x3caf28 IPC::Connection::dispatchIncomingMessages()
29 JavaScriptCore                 0x4fb5c ***::RunLoop::performWork()
30 JavaScriptCore                 0x50894 ***::RunLoop::performWork(void*)
31 CoreFoundation                 0xd622c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
32 CoreFoundation                 0xe2614 __CFRunLoopDoSource0
33 CoreFoundation                 0x6657c __CFRunLoopDoSources0
34 CoreFoundation                 0x7beb8 __CFRunLoopRun
35 CoreFoundation                 0x811e4 CFRunLoopRunSpecific
36 GraphicsServices               0x1368 GSEventRunModal
37 UIKitCore                      0x3a2d88 -[UIApplication _run]
38 UIKitCore                      0x3a29ec UIApplicationMain
39 MyApp                          0x95a0 main + 35 (AppDelegate.swift:35)
40 ???                            0x1b4abd948 (Missing)

I am facing a strange issue with my app.

Do you have an Apple crash report for this? If so, please post it here, using the steps from Posting a Crash Report.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

CoreFoundation crash
 
 
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