Source/modules/serviceworkers/NavigatorServiceWorker.cpp - Issue 217023003: Add null checks in navigator.serviceWorker access to fix possible crash

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Unified Diff: Source/modules/serviceworkers/NavigatorServiceWorker.cpp

Issue 217023003: Add null checks in navigator.serviceWorker access to fix possible crash (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 9 months ago

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Index: Source/modules/serviceworkers/NavigatorServiceWorker.cpp

diff --git a/Source/modules/serviceworkers/NavigatorServiceWorker.cpp b/Source/modules/serviceworkers/NavigatorServiceWorker.cpp

index a5ddd516e1786a29a08224fc25ff6f7d1167df86..d4068538cffcd18730fd68b633c2fb63d149d7a9 100644

--- a/Source/modules/serviceworkers/NavigatorServiceWorker.cpp

+++ b/Source/modules/serviceworkers/NavigatorServiceWorker.cpp

@@ -53,8 +53,10 @@ ServiceWorkerContainer* NavigatorServiceWorker::serviceWorker(ExecutionContext*

void NavigatorServiceWorker::willDetachGlobalObjectFromFrame()

{

- m_serviceWorker->detachClient();

- m_serviceWorker = nullptr;

+ if (m_serviceWorker) {

+ m_serviceWorker->detachClient();

+ m_serviceWorker = nullptr;

+ }

}

} // namespace WebCore