[Webkit-unassigned] [Bug 149218] New: REGRESSION(189668?): http/tests/notifications/events.html flakily asserts or times out

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=149218

            Bug ID: 149218
           Summary: REGRESSION(189668?):
                    http/tests/notifications/events.html flakily asserts
                    or times out
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ap at webkit.org
                CC: mmaxfield at apple.com

http/tests/notifications/events.html flakily asserts or times out on Mac WK2:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&showExpectations=true&revision=189778&tests=http%2Ftests%2Fnotifications%2Fevents.html

This doesn't happen very often, but it definitely regressed within the last few days. r189668 seems suspicious, as it changed some notification permissions code in WKTR.

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore          0x000000010f8c8ed7 WTFCrash + 39
1   WebKitTestRunner                  0x000000010ecf8474 WTR::WebNotificationProvider::simulateWebNotificationClick(unsigned long long) + 116 (WebNotificationProvider.cpp:132)
2   WebKitTestRunner                  0x000000010ed075ff WTR::TestController::simulateWebNotificationClick(unsigned long long) + 47 (TestController.cpp:1565)
3   WebKitTestRunner                  0x000000010ed193e0 WTR::TestInvocation::didReceiveMessageFromInjectedBundle(OpaqueWKString const*, void const*) + 2128 (TestInvocation.cpp:410)
4   WebKitTestRunner                  0x000000010ed06029 WTR::TestController::didReceiveMessageFromInjectedBundle(OpaqueWKString const*, void const*) + 2313 (TestController.cpp:1186)
5   WebKitTestRunner                  0x000000010ecfecfc WTR::TestController::didReceivePageMessageFromInjectedBundle(OpaqueWKPage const*, OpaqueWKString const*, void const*, void const*) + 44 (TestController.cpp:1072)
6   com.apple.WebKit                  0x0000000111a15380 WebKit::WebPageInjectedBundleClient::didReceiveMessageFromInjectedBundle(WebKit::WebPageProxy*, WTF::String const&, API::Object*) + 144 (WebPageInjectedBundleClient.cpp:42)
7   com.apple.WebKit                  0x0000000111a53a34 WebKit::WebPageProxy::handleMessage(IPC::Connection&, WTF::String const&, WebKit::UserData const&) + 228 (WebPageProxy.cpp:666)

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