[Webkit-unassigned] [Bug 202868] New: Web Inspector: Unsafe to ref/deref from different threads in InspectorHeapAgent::didGarbageCollect
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Oct 11 15:10:07 PDT 2019
https://bugs.webkit.org/show_bug.cgi?id=202868
Bug ID: 202868
Summary: Web Inspector: Unsafe to ref/deref from different
threads in InspectorHeapAgent::didGarbageCollect
Product: WebKit
Version: WebKit Nightly Build
Hardware: All
OS: All
Status: NEW
Severity: Normal
Priority: P2
Component: Web Inspector
Assignee: webkit-unassigned at lists.webkit.org
Reporter: yurys at chromium.org
CC: inspector-bugzilla-changes at group.apple.com
ASSERTION FAILED: Unsafe to ref/deref from different threads
m_isOwnedByMainThread == isMainThread()
/Users/yurys/WebKit/WebKitBuild/Debug/usr/local/include/wtf/RefCounted.h(115) : void WTF::RefCountedBase::applyRefDerefThreadingCheck() const
1 0x107e117f9 WTFCrash
2 0x11a85b7da WTF::RefCountedBase::applyRefDerefThreadingCheck() const
3 0x11a86ded9 WTF::RefCountedBase::ref() const
4 0x11d91b867 WTF::Ref<WTF::Stopwatch, WTF::DumbPtrTraits<WTF::Stopwatch> >::Ref(WTF::Stopwatch&)
5 0x11d91b82d WTF::Ref<WTF::Stopwatch, WTF::DumbPtrTraits<WTF::Stopwatch> >::Ref(WTF::Stopwatch&)
6 0x11d90928f WTF::Ref<WTF::Stopwatch, WTF::DumbPtrTraits<WTF::Stopwatch> >::copyRef() const &
7 0x11d909260 WebCore::InspectorController::executionStopwatch()
8 0x10903fbfc Inspector::InspectorHeapAgent::didGarbageCollect(JSC::CollectionScope)
9 0x108ec14ef JSC::Heap::didFinishCollection()
10 0x108ebf948 JSC::Heap::runEndPhase(JSC::GCConductor)
11 0x108ebe020 JSC::Heap::runCurrentPhase(JSC::GCConductor, JSC::CurrentThreadState*)
12 0x108ebde26 JSC::Heap::collectInCollectorThread()
13 0x108ec9039 JSC::Heap::HeapThread::work()
14 0x107e29d59 WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0::operator()() const
15 0x107e29949 WTF::Detail::CallableWrapper<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0, void>::call()
16 0x107e3e10a WTF::Function<void ()>::operator()() const
17 0x107ee9920 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
18 0x107ef56d5 WTF::wtfThreadEntryPoint(void*)
19 0x7fff7ecc72eb _pthread_body
20 0x7fff7ecca249 _pthread_start
21 0x7fff7ecc640d thread_start
This happens every once in a while on WK1 Mac Debug when running inspector/timeline/timeline-recording.html
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