Bug 261763

Summary:	Regression(267850@main) Flaky crash under PermissionStatus::virtualHasPendingActivity()
Product:	WebKit	Reporter:	Chris Dumez <cdumez>
Component:	DOM	Assignee:	Chris Dumez <cdumez>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	a_protyasha, rreno, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Chris Dumez

Reported 2023-09-19 11:50:46 PDT

Flaky crash under PermissionStatus::virtualHasPendingActivity() since 267850@main: ``` Thread 12 Crashed:: Dispatch queue: 0 com.apple.JavaScriptCore 0x1363bd3d8 WTFCrash 1 com.apple.WebCore 0x28416b130 WTFCrashWithInfo(int, char const*, char const*, int) 2 com.apple.WebCore 0x282ab4628 WebCore::Node::ref() const 3 com.apple.WebCore 0x2837bc35c WebCore::Document::refScriptExecutionContext() 4 com.apple.WebCore 0x282ad0620 WebCore::ScriptExecutionContext::ref() 5 com.apple.WebCore 0x282ad05ec WTF::DefaultRefDerefTraits<WebCore::ScriptExecutionContext>::refIfNotNull(WebCore::ScriptExecutionContext*) 6 com.apple.WebCore 0x280420920 WTF::RefPtr<WebCore::ScriptExecutionContext, WTF::RawPtrTraits<WebCore::ScriptExecutionContext>, WTF::DefaultRefDerefTraits<WebCore::ScriptExecutionContext>>::RefPtr(WebCore::ScriptExecutionContext*) 7 com.apple.WebCore 0x28041f85c WTF::RefPtr<WebCore::ScriptExecutionContext, WTF::RawPtrTraits<WebCore::ScriptExecutionContext>, WTF::DefaultRefDerefTraits<WebCore::ScriptExecutionContext>>::RefPtr(WebCore::ScriptExecutionContext*) 8 com.apple.WebCore 0x2829647d8 WebCore::PermissionStatus::virtualHasPendingActivity() const 9 com.apple.WebCore 0x280684db4 WebCore::ActiveDOMObject::hasPendingActivity() const 10 com.apple.WebCore 0x2815c5ea4 WebCore::JSPermissionStatusOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void*, JSC::AbstractSlotVisitor&, char const**) 11 com.apple.JavaScriptCore 0x137a741c8 void JSC::WeakBlock::specializedVisit<JSC::PreciseAllocation, JSC::SlotVisitor>(JSC::PreciseAllocation&, JSC::SlotVisitor&) 12 com.apple.JavaScriptCore 0x137a67360 void JSC::WeakBlock::visitImpl<JSC::SlotVisitor>(JSC::SlotVisitor&) 13 com.apple.JavaScriptCore 0x137a672a0 JSC::WeakBlock::visit(JSC::SlotVisitor&) ```

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Chris Dumez

Comment 1 2023-09-19 11:57:14 PDT

Pull request: https://github.com/WebKit/WebKit/pull/17930

EWS

Comment 2 2023-09-19 13:45:18 PDT

Committed 268145@main (7f9259f2cf69): <https://commits.webkit.org/268145@main> Reviewed commits have been landed. Closing PR #17930 and removing active labels.

Radar WebKit Bug Importer

Comment 3 2023-09-19 13:46:24 PDT

<rdar://problem/115744072>

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