[Webkit-unassigned] [Bug 237070] New: REGRESSION (r289495): Flaky crash under WebKit::ModelElementController::modelElementSizeDidChange()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=237070

            Bug ID: 237070
           Summary: REGRESSION (r289495): Flaky crash under
                    WebKit::ModelElementController::modelElementSizeDidCha
                    nge()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com
                CC: graouts at webkit.org, simon.fraser at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 452922

  --> https://bugs.webkit.org/attachment.cgi?id=452922&action=review

crash log

After https://commits.webkit.org/247033@main landed, model-element/model-element-interactive.html has been frequently crashing on Monterey Debug WK2 bots

Thread 0 Crashed:
0   libsystem_kernel.dylib                     0x19ae359b8 __pthread_kill + 8
1   libsystem_pthread.dylib                    0x19ae6915c 0x19ae62000 + 29020
2   libsystem_c.dylib                          0x19ada6314 0x19ad2d000 + 496404
3   libsystem_c.dylib                          0x19ada572c 0x19ad2d000 + 493356
4   QuartzCore                                 0x1a1f1945c -[CAFenceHandle dealloc] + 156
5   WebKit                                     0x147f08de8 WTF::RetainPtr<CAFenceHandle>::~RetainPtr() + 56 (RetainPtr.h:178)
6   WebKit                                     0x147f06e90 WTF::RetainPtr<CAFenceHandle>::~RetainPtr() + 28 (RetainPtr.h:176)
7   WebKit                                     0x147f08d80 WebKit::ModelElementController::modelElementSizeDidChange(WTF::String const&, WebCore::FloatSize, WTF::CompletionHandler<void (std::experimental::fundamentals_v3::expected<WTF::MachSendRight, WebCore::ResourceError>)>&&)::$_12::operator()(CAFenceHandle*, NSError*)::'lambda0'()::~() + 32 (ModelElementControllerCocoa.mm:268)
8   WebKit                                     0x147f06e64 WebKit::ModelElementController::modelElementSizeDidChange(WTF::String const&, WebCore::FloatSize, WTF::CompletionHandler<void (std::experimental::fundamentals_v3::expected<WTF::MachSendRight, WebCore::ResourceError>)>&&)::$_12::operator()(CAFenceHandle*, NSError*)::'lambda0'()::~() + 28 (ModelElementControllerCocoa.mm:268)
9   WebKit                                     0x147f08688 WTF::Detail::CallableWrapper<WebKit::ModelElementController::modelElementSizeDidChange(WTF::String const&, WebCore::FloatSize, WTF::CompletionHandler<void (std::experimental::fundamentals_v3::expected<WTF::MachSendRight, WebCore::ResourceError>)>&&)::$_12::operator()(CAFenceHandle*, NSError*)::'lambda0'(), void>::~CallableWrapper() + 48 (Function.h:47)
10  WebKit                                     0x147f08510 WTF::Detail::CallableWrapper<WebKit::ModelElementController::modelElementSizeDidChange(WTF::String const&, WebCore::FloatSize, WTF::CompletionHandler<void (std::experimental::fundamentals_v3::expected<WTF::MachSendRight, WebCore::ResourceError>)>&&)::$_12::operator()(CAFenceHandle*, NSError*)::'lambda0'(), void>::~CallableWrapper() + 28 (Function.h:47)
11  WebKit                                     0x147f0853c WTF::Detail::CallableWrapper<WebKit::ModelElementController::modelElementSizeDidChange(WTF::String const&, WebCore::FloatSize, WTF::CompletionHandler<void (std::experimental::fundamentals_v3::expected<WTF::MachSendRight, WebCore::ResourceError>)>&&)::$_12::operator()(CAFenceHandle*, NSError*)::'lambda0'(), void>::~CallableWrapper() + 28 (Function.h:47)


https://results.webkit.org/?suite=layout-tests&test=model-element%2Fmodel-element-interactive.html

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