[BUG] NSInternalInconsistencyException crash in NSAttributedString+HTML.swift:245

[nalexn]

Summary

This is a fresh crash in Stripe Identity SDK.

Code to reproduce

N/A

iOS version

iOS 17

Installation method

SPM

SDK version

23.29.1

Other information

NSInternalInconsistencyException: unexpected start state

0  CoreFoundation +0x83f1c     ___exceptionPreprocess
1  libobjc.A.dylib +0x172b4    _objc_exception_throw
2  Foundation +0x6de930        -[NSAssertionHandler handleFailureInFunction:file:lineNumber:description:]
3  UIKitCore +0x1c5810         __UIApplicationDrainManagedAutoreleasePool
4  CoreFoundation +0x24654     ___CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__
5  CoreFoundation +0x24410     ___CFRunLoopDoObservers
6  CoreFoundation +0x52d20     _CFRunLoopRunSpecific
7  UIFoundation +0xdbe04       -[NSHTMLReader _loadUsingWebKit]
8  UIFoundation +0xdc9b4       -[NSHTMLReader attributedString]
9  UIFoundation +0x9c5c8       __NSReadAttributedStringFromURLOrDataCommon
10 UIFoundation +0x9793c       __NSReadAttributedStringFromURLOrData
11 UIFoundation +0x977b4       -[NSAttributedString(NSAttributedStringUIFoundationAdditions) initWithData:options:documentAttributes:error:]
12 openphone +0x7023d4         NSMutableAttributedString.init(htmlText:style:) (NSAttributedString+HTML.swift:245:18)
13 openphone +0x703408         specialized static NSAttributedString.createHtmlString(htmlText:style:) (NSAttributedString+HTML.swift:202:37)
14 openphone +0x79738c         HTMLTextView.configure(with:) (<compiler-generated>)
15 openphone +0x7708d8         IdentityFlowViewController.configure(backButtonTitle:viewModel:) (IdentityFlowView.swift:349:42)
16 openphone +0x75b3e4         BiometricConsentViewController.scrollViewFullyLaiedOut(_:) (BiometricConsentViewController.swift:164:9)
17 openphone +0x795278         protocol witness for IdentityFlowViewDelegate.scrollViewFullyLaiedOut(_:) in conformance BiometricConsentViewController (<compiler-generated>)
18 openphone +0x7952e4         @objc IdentityFlowView.layoutSubviews() (<compiler-generated>)
19 UIKitCore +0x10914          -[UIView(CALayerDelegate) layoutSublayersOfLayer:]
20 QuartzCore +0x7f268         CA::Layer::layout_if_needed(CA::Transaction*)
21 QuartzCore +0x7edec         CA::Layer::layout_and_display_if_needed(CA::Transaction*)
22 QuartzCore +0xd9fd4         CA::Context::commit_transaction(CA::Transaction*, double, double*)
23 QuartzCore +0x4eedc         CA::Transaction::commit()
24 UIKitCore +0xec897c         ___83-[UIApplication _createSnapshotContextForScene:withName:performLayoutWithSettings:]_block_invoke_4
25 UIKitCore +0xec80ac         -[UIApplication _performWithUICACommitStateSnapshotting:]
26 UIKitCore +0xec88ec         ___83-[UIApplication _createSnapshotContextForScene:withName:performLayoutWithSettings:]_block_invoke_2
27 UIKitCore +0x95430          +[UIView(Animation) performWithoutAnimation:]
28 UIKitCore +0xec86d8         ___83-[UIApplication _createSnapshotContextForScene:withName:performLayoutWithSettings:]_block_invoke
29 UIKitCore +0x693c64         -[UIScene _applyOverrideSettings:forActions:]
30 UIKitCore +0x10ad920        -[UIWindowScene _applySnapshotSettings:forActions:]
31 UIKitCore +0xec85b8         -[UIApplication _createSnapshotContextForScene:withName:performLayoutWithSettings:]
32 UIKitCore +0xec97a0         ___65-[UIApplication _performSnapshotsWithAction:forScene:completion:]_block_invoke_3
33 FrontBoardServices +0x6b074 -[FBSSceneSnapshotAction _executeNextRequest]
34 FrontBoardServices +0x6b090 -[FBSSceneSnapshotAction _executeNextRequest]
35 FrontBoardServices +0x6ab08 -[FBSSceneSnapshotAction executeRequestsWithHandler:completionHandler:expirationHandler:]
36 UIKitCore +0xec96f0         ___65-[UIApplication _performSnapshotsWithAction:forScene:completion:]_block_invoke_2
37 UIKitCore +0xec8fa4         -[UIApplication _beginSnapshotSessionForScene:withSnapshotBlock:]
38 UIKitCore +0xec95a0         ___65-[UIApplication _performSnapshotsWithAction:forScene:completion:]_block_invoke
39 UIKitCore +0x693b70         -[UIScene _enableOverrideSettingsForActions:]
40 UIKitCore +0x693d88         -[UIScene _performSystemSnapshotWithActions:]
41 UIKitCore +0xec941c         -[UIApplication _performSnapshotsWithAction:forScene:completion:]
42 UIKitCore +0x1319988        ___98-[_UISceneSnapshotBSActionsHandler _respondToActions:forFBSScene:inUIScene:fromTransitionContext:]_block_invoke_3
43 UIKitCore +0x131980c        ___98-[_UISceneSnapshotBSActionsHandler _respondToActions:forFBSScene:inUIScene:fromTransitionContext:]_block_invoke_2
44 UIKitCore +0x237f80         -[UIScene _emitSceneSettingsUpdateResponseForCompletion:afterSceneUpdateWork:]
45 UIKitCore +0x302f44         -[UIScene scene:didUpdateWithDiff:transitionContext:completion:]
46 UIKitCore +0x302b24         -[UIApplicationSceneClientAgent scene:handleEvent:withCompletion:]
47 FrontBoardServices +0x66e0  -[FBSScene updater:didUpdateSettings:withDiff:transitionContext:completion:]
48 FrontBoardServices +0x16840 ___94-[FBSWorkspaceScenesClient _queue_updateScene:withSettings:diff:transitionContext:completion:]_block_invoke_2
49 FrontBoardServices +0x166c8 -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:]
50 FrontBoardServices +0x1b7f8 ___94-[FBSWorkspaceScenesClient _queue_updateScene:withSettings:diff:transitionContext:completion:]_block_invoke
51 libdispatch.dylib +0x3dd0   __dispatch_client_callout
52 libdispatch.dylib +0x7868   __dispatch_block_invoke_direct
53 FrontBoardServices +0x17d54 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__
54 FrontBoardServices +0x17cd4 -[FBSMainRunLoopSerialQueue _targetQueue_performNextIfPossible]
55 FrontBoardServices +0x17bac -[FBSMainRunLoopSerialQueue _performNextFromRunLoopSource]
56 CoreFoundation +0x56830     ___CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
57 CoreFoundation +0x567c4     ___CFRunLoopDoSource0
58 CoreFoundation +0x54294     ___CFRunLoopDoSources0
59 CoreFoundation +0x53480     ___CFRunLoopRun
60 CoreFoundation +0x52cd4     _CFRunLoopRunSpecific
61 GraphicsServices +0x11a4    _GSEventRunModal
62 UIKitCore +0x40aae4         -[UIApplication _run]
63 UIKitCore +0x4bed94         _UIApplicationMain
64 openphone +0x4e74a8         main (AppDelegate.swift:20:21)
65 dyld +0x3d150               start

[mwaqasbhati]

nalexn can you please add steps to reproduce this issue?