<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>229722</bug_id>
          
          <creation_ts>2021-08-31 10:41:01 -0700</creation_ts>
          <short_desc>ASSERTION FAILED: willBeComposited == needsToBeComposited(layer, queryData)</short_desc>
          <delta_ts>2021-08-31 11:36:23 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Mac (Apple Silicon)</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>229505</dup_id>
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=229505</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=223750</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter>ayumi_kojima</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>achristensen</cc>
    
    <cc>ryanhaddad</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1788961</commentid>
    <comment_count>0</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-08-31 10:41:01 -0700</bug_when>
    <thetext>security/contentSecurityPolicy/plugins-types-blocks-youtube-plugin-replacement.html

Is flaky crashing on macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS.

The crash is not seen in the open source directory: https://results.webkit.org/?suite=layout-tests&amp;test=security%2FcontentSecurityPolicy%2Fplugins-types-blocks-youtube-plugin-replacement.html

Result page: https://ews-build.s3-us-west-2.amazonaws.com/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/r436856-10911/results.html

It looks like the test started showing up as a flaky test at https://ews-build.webkit.org/#/builders/60/builds/10746

Crash log:

ASSERTION FAILED: willBeComposited == needsToBeComposited(layer, queryData)
./rendering/RenderLayerCompositor.cpp(1164) : void WebCore::RenderLayerCompositor::computeCompositingRequirements(WebCore::RenderLayer *, WebCore::RenderLayer &amp;, WebCore::LayerOverlapMap &amp;, WebCore::RenderLayerCompositor::CompositingState &amp;, WebCore::RenderLayerCompositor::BackingSharingState &amp;, bool &amp;)
1   0x1359573ac WTFCrash
2   0x115502c80 WTFCrashWithInfo(int, char const*, char const*, int)
3   0x118df6df4 WebCore::RenderLayerCompositor::computeCompositingRequirements(WebCore::RenderLayer*, WebCore::RenderLayer&amp;, WebCore::LayerOverlapMap&amp;, WebCore::RenderLayerCompositor::CompositingState&amp;, WebCore::RenderLayerCompositor::BackingSharingState&amp;, bool&amp;)
4   0x118df6af0 WebCore::RenderLayerCompositor::computeCompositingRequirements(WebCore::RenderLayer*, WebCore::RenderLayer&amp;, WebCore::LayerOverlapMap&amp;, WebCore::RenderLayerCompositor::CompositingState&amp;, WebCore::RenderLayerCompositor::BackingSharingState&amp;, bool&amp;)
5   0x118df6b68 WebCore::RenderLayerCompositor::computeCompositingRequirements(WebCore::RenderLayer*, WebCore::RenderLayer&amp;, WebCore::LayerOverlapMap&amp;, WebCore::RenderLayerCompositor::CompositingState&amp;, WebCore::RenderLayerCompositor::BackingSharingState&amp;, bool&amp;)
6   0x118df4cb8 WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*)
7   0x118df4308 WebCore::RenderLayerCompositor::didRecalcStyleWithNoPendingLayout()
8   0x11820cdc0 WebCore::FrameView::updateCompositingLayersAfterStyleChange()
9   0x11721a914 WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType)
10  0x11721b5cc WebCore::Document::updateStyleIfNeeded()
11  0x117216644 WebCore::Document::updateLayout()
12  0x117217c00 WebCore::Document::updateLayoutIgnorePendingStylesheets(WebCore::Document::RunPostLayoutTasks)
13  0x116dfcf94 WebCore::ComputedStyleExtractor::propertyValue(WebCore::CSSPropertyID, WebCore::EUpdateLayout)
14  0x116dfcdb4 WebCore::CSSComputedStyleDeclaration::getPropertyCSSValue(WebCore::CSSPropertyID, WebCore::EUpdateLayout) const
15  0x116dfbfb8 WebCore::CSSComputedStyleDeclaration::getPropertyValue(WebCore::CSSPropertyID) const
16  0x116e18d40 WebCore::CSSComputedStyleDeclaration::getPropertyValueInternal(WebCore::CSSPropertyID)
17  0x116f17ee0 WebCore::CSSStyleDeclaration::propertyValueForCamelCasedIDLAttribute(WTF::AtomString const&amp;)
18  0x1149dbea0 WebCore::jsCSSStyleDeclaration_propertyValueForCamelCasedIDLAttributeGetter(JSC::JSGlobalObject&amp;, WebCore::JSCSSStyleDeclaration&amp;, JSC::PropertyName)
19  0x114946144 long long WebCore::IDLAttribute&lt;WebCore::JSCSSStyleDeclaration&gt;::getPassingPropertyName&lt;&amp;(WebCore::jsCSSStyleDeclaration_propertyValueForCamelCasedIDLAttributeGetter(JSC::JSGlobalObject&amp;, WebCore::JSCSSStyleDeclaration&amp;, JSC::PropertyName)), (WebCore::CastedThisErrorBehavior)3&gt;(JSC::JSGlobalObject&amp;, long long, JSC::PropertyName)
20  0x11494601c WebCore::jsCSSStyleDeclaration_propertyValueForCamelCasedIDLAttribute(JSC::JSGlobalObject*, long long, JSC::PropertyName)
21  0x1378b97cc JSC::PropertySlot::customGetter(JSC::VM&amp;, JSC::PropertyName) const
22  0x1370f758c JSC::PropertySlot::getValue(JSC::JSGlobalObject*, JSC::PropertyName) const
23  0x1370f9138 JSC::JSValue::get(JSC::JSGlobalObject*, JSC::PropertyName, JSC::PropertySlot&amp;) const
24  0x13729f9e4 JSC::LLInt::performLLIntGetByID(JSC::Instruction const*, JSC::CodeBlock*, JSC::JSGlobalObject*, JSC::JSValue, JSC::Identifier const&amp;, JSC::GetByIdModeMetadata&amp;)
25  0x13729f744 llint_slow_path_get_by_id
26  0x136190c6c llint_entry
27  0x1361aa97c llint_entry
28  0x1361aaa24 llint_entry
29  0x136185964 vmEntryToJavaScript
30  0x1370ed484 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
31  0x1370edae0 JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&amp;, JSC::JSValue, JSC::ArgList const&amp;)
com.apple.WebKit.WebContent.Development terminated (pid 98101) because the process crashed
LEAK: 1 WebPageProxy</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1788968</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-08-31 10:55:03 -0700</bug_when>
    <thetext>&lt;rdar://problem/82586829&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1788977</commentid>
    <comment_count>2</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2021-08-31 11:08:07 -0700</bug_when>
    <thetext>Please just skip any &quot;youtube-plugin-replacement&quot; tests. This is dead code.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1788978</commentid>
    <comment_count>3</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2021-08-31 11:09:07 -0700</bug_when>
    <thetext>Also bug 223750 and bug 229505 cover the same assertion. No need to file new ones.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1788980</commentid>
    <comment_count>4</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-08-31 11:14:35 -0700</bug_when>
    <thetext>I just noticed that this assertion is a duplicate of the bugs that you mentioned. Will mark the expectations. Thanks!</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1788987</commentid>
    <comment_count>5</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-08-31 11:36:12 -0700</bug_when>
    <thetext>Updated expectations to skip the test on all platforms in bug 229505</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1788988</commentid>
    <comment_count>6</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-08-31 11:36:23 -0700</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 229505 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>