[Webkit-unassigned] [Bug 223965] [GTK][WPE] Several http/tests/contentextensions tests crash at TestController::configureContentExtensionForTest()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223965

Carlos Alberto Lopez Perez <clopez at igalia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.webkit.org/sho
                   |                            |w_bug.cgi?id=193622
            Summary|REGRESSION(r275204):        |[GTK][WPE] Several
                   |[GTK][WPE] Several          |http/tests/contentextension
                   |http/tests/contentextension |s tests crash at
                   |s tests crash               |TestController::configureCo
                   |                            |ntentExtensionForTest()

--- Comment #5 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
Further debugging this I see that the request to the Apache server is never done in the case of main-resource-redirect-blocked.py. WTR crashes before doing the request.

However, If i rename main-resource-redirect-blocked.py to something else it works (I mean, the crash is gone)

And it seems the crash is triggered by the file LayoutTests/http/tests/contentextensions/main-resource-redirect-blocked.py.json ... If I delete this file then the test stops crashing.

Further debugging this I see WTR is trying to load this json file in the function TestController::configureContentExtensionForTest() 

From: https://trac.webkit.org/browser/webkit/trunk/Tools/WebKitTestRunner/TestController.cpp?rev=275046#L1427
1393    void TestController::configureContentExtensionForTest(const TestInvocation& test)
1394    {
[....]
1425    
1426        WKPageSetUserContentExtensionsEnabled(mainWebView()->page(), true);
1427        WKUserContentControllerAddUserContentFilter(userContentController(), context.filter.get());
1428    }

And it is crashing on the line 1427 because context.filter.get() is returning nullptr

This code was added in r241283

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