<?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>284721</bug_id>
          
          <creation_ts>2024-12-15 14:33:30 -0800</creation_ts>
          <short_desc>ASSERTION FAILED: Unsafe to ref/deref from different threads</short_desc>
          <delta_ts>2024-12-17 14:09:26 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Web Inspector</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>280792</dup_id>
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Jean-Yves Avenard [:jya]">jean-yves.avenard</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>ap</cc>
    
    <cc>cdumez</cc>
    
    <cc>inspector-bugzilla-changes</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2081906</commentid>
    <comment_count>0</comment_count>
    <who name="Jean-Yves Avenard [:jya]">jean-yves.avenard</who>
    <bug_when>2024-12-15 14:33:30 -0800</bug_when>
    <thetext>https://ews-build.s3-us-west-2.amazonaws.com/macOS-Sequoia-Debug-WK2-Tests-EWS/ec82f18e-5919-rerun/results.html

inspector/worker/runtime-basic.html

```
stderr:
ASSERTION FAILED: Unsafe to ref/deref from different threads
m_isOwnedByMainThread == isMainThread()
/Volumes/Data/worker/macOS-Sequoia-Debug-Build-EWS/build/WebKitBuild/Debug/usr/local/include/wtf/RefCounted.h(124) : void WTF::RefCountedBase::applyRefDerefThreadingCheck() const
1   0x300142fcc WTF::RefCountedBase::applyRefDerefThreadingCheck() const
2   0x300145318 WTF::RefCountedBase::ref() const
3   0x30547d5b0 WTF::DefaultRefDerefTraits&lt;WebCore::WorkerInspectorProxy&gt;::ref(WebCore::WorkerInspectorProxy&amp;)
4   0x30547d580 WTF::Ref&lt;WebCore::WorkerInspectorProxy, WTF::RawPtrTraits&lt;WebCore::WorkerInspectorProxy&gt;, WTF::DefaultRefDerefTraits&lt;WebCore::WorkerInspectorProxy&gt;&gt;::Ref(WebCore::WorkerInspectorProxy&amp;)
5   0x305478688 WTF::Ref&lt;WebCore::WorkerInspectorProxy, WTF::RawPtrTraits&lt;WebCore::WorkerInspectorProxy&gt;, WTF::DefaultRefDerefTraits&lt;WebCore::WorkerInspectorProxy&gt;&gt;::Ref(WebCore::WorkerInspectorProxy&amp;)
6   0x30547ea64 WebCore::WorkerWorkerAgent::connectToAllWorkerInspectorProxies()
7   0x30545d84c WebCore::InspectorWorkerAgent::enable()
8   0x13175ef9c Inspector::WorkerBackendDispatcher::enable(long, WTF::RefPtr&lt;WTF::JSONImpl::Object, WTF::RawPtrTraits&lt;WTF::JSONImpl::Object&gt;, WTF::DefaultRefDerefTraits&lt;WTF::JSONImpl::Object&gt;&gt;&amp;&amp;)
9   0x13175ed30 Inspector::WorkerBackendDispatcher::dispatch(long, WTF::String const&amp;, WTF::Ref&lt;WTF::JSONImpl::Object, WTF::RawPtrTraits&lt;WTF::JSONImpl::Object&gt;, WTF::DefaultRefDerefTraits&lt;WTF::JSONImpl::Object&gt;&gt;&amp;&amp;)
10  0x13171b3f4 Inspector::BackendDispatcher::dispatch(WTF::String const&amp;)
11  0x30531dfa4 WebCore::WorkerInspectorController::dispatchMessageFromFrontend(WTF::String const&amp;)
12  0x307171038 WebCore::WorkerInspectorProxy::sendMessageToWorkerInspectorController(WTF::String const&amp;)::$_0::operator()(WebCore::ScriptExecutionContext&amp;) const
13  0x307170f80 WTF::Detail::CallableWrapper&lt;WebCore::WorkerInspectorProxy::sendMessageToWorkerInspectorController(WTF::String const&amp;)::$_0, void, WebCore::ScriptExecutionContext&amp;&gt;::call(WebCore::ScriptExecutionContext&amp;)
14  0x302d04ae8 WTF::Function&lt;void (WebCore::ScriptExecutionContext&amp;)&gt;::operator()(WebCore::ScriptExecutionContext&amp;) const
15  0x3037310d4 WebCore::ScriptExecutionContext::Task::performTask(WebCore::ScriptExecutionContext&amp;)
16  0x307187744 WebCore::WorkerDedicatedRunLoop::Task::performTask(WebCore::WorkerOrWorkletGlobalScope*)
17  0x307186bb8 WebCore::WorkerDedicatedRunLoop::runInMode(WebCore::WorkerOrWorkletGlobalScope*, WebCore::ModePredicate const&amp;)
18  0x307185170 WebCore::WorkerDedicatedRunLoop::run(WebCore::WorkerOrWorkletGlobalScope*)
19  0x3071850a4 WebCore::WorkerOrWorkletThread::runEventLoop()
20  0x3071854b8 WebCore::WorkerOrWorkletThread::workerOrWorkletThread()
21  0x3071aab0c WebCore::WorkerThread::createThread()::$_1::operator()() const
22  0x3071aaab8 WTF::Detail::CallableWrapper&lt;WebCore::WorkerThread::createThread()::$_1, void&gt;::call()
23  0x12feaf018 WTF::Function&lt;void ()&gt;::operator()() const
24  0x12fffd6f0 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
25  0x130009f34 WTF::wtfThreadEntryPoint(void*)
26  0x1911072e4 _pthread_start
27  0x1911020fc thread_start
com.apple.WebKit.WebContent.Development terminated (pid 20150) for reason: crash
LEAK: 2 WebPageProxy
```</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2082468</commentid>
    <comment_count>1</comment_count>
    <who name="Alexey Proskuryakov">ap</who>
    <bug_when>2024-12-17 14:09:26 -0800</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 280792 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>