Bug 288971 – Crash under WebDiagnosticLoggingClient::logDiagnosticMessage()

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKit2

[Chris Dumez]

Crash under WebDiagnosticLoggingClient::logDiagnosticMessage():
```
 3 WTFCrashWithInfo(int, char const*, char const*, int) (WebKit)
          3 WTF::WeakRef<WebKit::WebPage, WTF::DefaultWeakPtrImpl>::get() const (WebKit)
            3 WebKit::WebDiagnosticLoggingClient::protectedPage() const (WebKit)
      ==> 4 WebKit::WebDiagnosticLoggingClient::logDiagnosticMessage(WTF::String const&, WTF::String const&, WebCore::ShouldSample) (WebKit) <==
                3 WebCore::PerformanceMonitor::measurePostLoadMemoryUsage() (WebCore)
                | 3 WebCore::Timer::Timer<WebCore::PerformanceMonitor, WebCore::PerformanceMonitor>(WebCore::PerformanceMonitor&, void (WebCore::PerformanceMonitor::*)())::'lambda'()::operator()() const (WebCore)
                |   3 WebCore::ThreadTimers::sharedTimerFiredInternal() (WebCore)
                |     3 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const (WebCore)
                |       3 WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call() (WebCore)
```

[Chris Dumez]

Pull request: https://github.com/WebKit/WebKit/pull/41774

[Chris Dumez]

<rdar://145885111>

[EWS]

Committed 291530@main (b2d0c319229e): <https://commits.webkit.org/291530@main>

Reviewed commits have been landed. Closing PR #41774 and removing active labels.