<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>228740</bug_id>
          
          <creation_ts>2021-08-03 08:57:27 -0700</creation_ts>
          <short_desc>REGRESSION (r280568): ASSERTION FAILED: videoFullscreenManager-&gt;client() == &amp;_videoFullscreenManagerProxyClient</short_desc>
          <delta_ts>2021-08-16 10:00:37 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Media</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Mac (Intel)</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>VERIFIED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=228761</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter>ayumi_kojima</reporter>
          <assigned_to name="Jean-Yves Avenard [:jya]">jean-yves.avenard</assigned_to>
          <cc>jean-yves.avenard</cc>
    
    <cc>jer.noble</cc>
    
    <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1781624</commentid>
    <comment_count>0</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-08-03 08:57:27 -0700</bug_when>
    <thetext>TestWebKitAPI.CloseWebViewAfterEnterFullscreen.ElementFullscreen
TestWebKitAPI.CloseWebViewAfterEnterFullscreen.VideoFullscreen
TestWebKitAPI.CloseWebViewDuringEnterFullscreen.ElementFullscreen
TestWebKitAPI.CloseWebViewDuringEnterFullscreen.VideoFullscreen
TestWebKitAPI.ExitFullscreenOnEnterPiP.ElementFullscreen
TestWebKitAPI.ExitFullscreenOnEnterPiP.VideoFullscreen
TestWebKitAPI.Fullscreen.Delegate
TestWebKitAPI.Fullscreen.Focus
TestWebKitAPI.Fullscreen.PointerLeave
TestWebKitAPI.Fullscreen.RemoveNodeBeforeEnter
TestWebKitAPI.TopContentInset.Fullscreen
TestWebKitAPI.WKWebViewCloseAllMediaPresentations.VideoFullscreen

Are crashing on MacOS Debug.

ASSERTION FAILED: videoFullscreenManager-&gt;client() == &amp;_videoFullscreenManagerProxyClient
        /Volumes/Data/worker/bigsur-debug/build/Source/WebKit/UIProcess/mac/WKFullScreenWindowController.mm(651) : -[WKFullScreenWindowController setVideoFullscreenManagerClient:]
        1   0x111b924f9 WTFCrash
        2   0x11a0b5b7b WTFCrashWithInfo(int, char const*, char const*, int)
        3   0x11b9ad212 -[WKFullScreenWindowController setVideoFullscreenManagerClient:]
        4   0x11b9ad553 -[WKFullScreenWindowController windowDidEnterFullScreen:]
        5   0x7fff2067210d __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__
        6   0x7fff2070db6c ___CFXRegistrationPost_block_invoke
        7   0x7fff2070daea _CFXRegistrationPost
        8   0x7fff2064338e _CFXNotificationPost
        9   0x7fff213b1dc8 -[NSNotificationCenter postNotificationName:object:userInfo:]
        10  0x7fff239a5380 -[NSWindow(NSFullScreen) _didEnterFullScreen]
        11  0x7fff233874eb -[_NSWindowEnterFullScreenTransitionController doAfterEnterFullScreen]
        12  0x7fff237f572c -[_NSEnterFullScreenTransitionController _performFinalTransitionCleanup]
        13  0x7fff237f7682 ___NSRunLoopTimerCreateWithHandler_block_invoke
        14  0x7fff206952b9 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
        15  0x7fff20694dad __CFRunLoopDoTimer
        16  0x7fff2069490a __CFRunLoopDoTimers
        17  0x7fff2067b4d3 __CFRunLoopRun
        18  0x7fff2067a64c CFRunLoopRunSpecific
        19  0x7fff21408647 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
        20  0x1076b993e TestWebKitAPI::Util::run(bool*)
        21  0x106c6ce84 TestWebKitAPI::CloseWebViewAfterEnterFullscreen_ElementFullscreen_Test::TestBody()
        22  0x10794f224 void testing::internal::HandleSehExceptionsInMethodIfSupported&lt;testing::Test, void&gt;(testing::Test*, void (testing::Test::*)(), char const*)
        23  0x107911a1b void testing::internal::HandleExceptionsInMethodIfSupported&lt;testing::Test, void&gt;(testing::Test*, void (testing::Test::*)(), char const*)
        24  0x107911953 testing::Test::Run()
        25  0x107912b24 testing::TestInfo::Run()
        26  0x107913c65 testing::TestSuite::Run()
        27  0x107922d8d testing::internal::UnitTestImpl::RunAllTests()
        28  0x107954864 bool testing::internal::HandleSehExceptionsInMethodIfSupported&lt;testing::internal::UnitTestImpl, bool&gt;(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*)
        29  0x10792272b bool testing::internal::HandleExceptionsInMethodIfSupported&lt;testing::internal::UnitTestImpl, bool&gt;(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*)
        30  0x1079225fd testing::UnitTest::Run()
        31  0x107631561 RUN_ALL_TESTS()
        LEAK: 1 WebPage


TestWebKitAPI.WebKit.CreateNewPageDelegateFrameLoadState

Also started timing out at the same timing, so might be related.

History: https://results.webkit.org/?suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;suite=api-tests&amp;test=TestWebKitAPI.CloseWebViewAfterEnterFullscreen.VideoFullscreen&amp;test=TestWebKitAPI.CloseWebViewDuringEnterFullscreen.ElementFullscreen&amp;test=TestWebKitAPI.CloseWebViewDuringEnterFullscreen.VideoFullscreen&amp;test=TestWebKitAPI.ExitFullscreenOnEnterPiP.ElementFullscreen&amp;test=TestWebKitAPI.ExitFullscreenOnEnterPiP.VideoFullscreen&amp;test=TestWebKitAPI.Fullscreen.Delegate&amp;test=TestWebKitAPI.Fullscreen.Focus&amp;test=TestWebKitAPI.Fullscreen.PointerLeave&amp;test=TestWebKitAPI.Fullscreen.RemoveNodeBeforeEnter&amp;test=TestWebKitAPI.TopContentInset.Fullscreen&amp;test=TestWebKitAPI.WKWebViewCloseAllMediaPresentations.VideoFullscreen&amp;test=TestWebKitAPI.AppleLanguagesTest.UpdateAppleLanguages&amp;test=TestWebKitAPI.WebKit.CreateNewPageDelegateFrameLoadState</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1781625</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-08-03 08:58:14 -0700</bug_when>
    <thetext>&lt;rdar://problem/81464301&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1781626</commentid>
    <comment_count>2</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-08-03 08:58:39 -0700</bug_when>
    <thetext>History indicates that it started from this change: https://trac.webkit.org/changeset/280568/webkit</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1781628</commentid>
    <comment_count>3</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-08-03 09:03:18 -0700</bug_when>
    <thetext>https://build.webkit.org/#/builders/23/builds/3080/steps/17/logs/stdio</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1781807</commentid>
    <comment_count>4</comment_count>
      <attachid>434878</attachid>
    <who name="Jean-Yves Avenard [:jya]">jean-yves.avenard</who>
    <bug_when>2021-08-03 19:52:11 -0700</bug_when>
    <thetext>Created attachment 434878
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1781831</commentid>
    <comment_count>5</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-08-03 22:36:12 -0700</bug_when>
    <thetext>Committed r280628 (240241@main): &lt;https://commits.webkit.org/240241@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 434878.</thetext>
  </long_desc>
      
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            <attachid>434878</attachid>
            <date>2021-08-03 19:52:11 -0700</date>
            <delta_ts>2021-08-03 22:36:12 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-228740-20210804125210.patch</filename>
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            <attacher name="Jean-Yves Avenard [:jya]">jean-yves.avenard</attacher>
            
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