<?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>219175</bug_id>
          
          <creation_ts>2020-11-19 12:29:54 -0800</creation_ts>
          <short_desc>ASSERT NOT REACHED in WebCore::DisplayList::DrawImageBuffer::apply seen with TestWebKitAPI.DisplayListTests.ReplayWithMissingResource</short_desc>
          <delta_ts>2020-11-19 14:12:08 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebCore Misc.</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=219067</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 name="Ryan Haddad">ryanhaddad</reporter>
          <assigned_to name="Wenson Hsieh">wenson_hsieh</assigned_to>
          <cc>thorton</cc>
    
    <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>wenson_hsieh</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1709224</commentid>
    <comment_count>0</comment_count>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2020-11-19 12:29:54 -0800</bug_when>
    <thetext>TestWebKitAPI.DisplayListTests.ReplayWithMissingResource
        SHOULD NEVER BE REACHED
        ./platform/graphics/displaylists/DisplayListItems.cpp(426) : void WebCore::DisplayList::DrawImageBuffer::apply(WebCore::GraphicsContext &amp;) const
        1   0x105181a69 WTFCrash
        2   0x11c85190b WTFCrashWithInfo(int, char const*, char const*, int)
        3   0x120bbbf93 WebCore::DisplayList::DrawImageBuffer::apply(WebCore::GraphicsContext&amp;) const
        4   0x120bbb495 WebCore::DisplayList::ItemHandle::apply(WebCore::GraphicsContext&amp;)
        5   0x120bca34d WebCore::DisplayList::Replayer::applyItem(WebCore::DisplayList::ItemHandle)
        6   0x120bbaee7 WebCore::DisplayList::Replayer::replay(WebCore::FloatRect const&amp;, bool)
        7   0x102b119db TestWebKitAPI::DisplayListTests_ReplayWithMissingResource_Test::TestBody()
        8   0x1033f7de4 void testing::internal::HandleSehExceptionsInMethodIfSupported&lt;testing::Test, void&gt;(testing::Test*, void (testing::Test::*)(), char const*)
        9   0x1033c65ab void testing::internal::HandleExceptionsInMethodIfSupported&lt;testing::Test, void&gt;(testing::Test*, void (testing::Test::*)(), char const*)
        10  0x1033c64e6 testing::Test::Run()
        11  0x1033c767a testing::TestInfo::Run()
        12  0x1033c8564 testing::TestCase::Run()
        13  0x1033d3c18 testing::internal::UnitTestImpl::RunAllTests()
        14  0x1033fcde4 bool testing::internal::HandleSehExceptionsInMethodIfSupported&lt;testing::internal::UnitTestImpl, bool&gt;(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*)
        15  0x1033d370b bool testing::internal::HandleExceptionsInMethodIfSupported&lt;testing::internal::UnitTestImpl, bool&gt;(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*)
        16  0x1033d35dd testing::UnitTest::Run()
        17  0x103185251 RUN_ALL_TESTS()
        18  0x1031851e2 TestWebKitAPI::TestsController::run(int, char**)
        19  0x103392d75 main
        20  0x7fff6f0a0cc9 start
        21  0x2


https://results.webkit.org/?suite=api-tests&amp;test=TestWebKitAPI.DisplayListTests.ReplayWithMissingResource</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1709225</commentid>
    <comment_count>1</comment_count>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2020-11-19 12:30:30 -0800</bug_when>
    <thetext>This test was added with https://trac.webkit.org/changeset/270002/webkit</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1709226</commentid>
    <comment_count>2</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2020-11-19 12:31:20 -0800</bug_when>
    <thetext>&lt;rdar://problem/71597208&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1709227</commentid>
    <comment_count>3</comment_count>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2020-11-19 12:31:48 -0800</bug_when>
    <thetext>Whoops, sorry about that!

I&apos;ll have a fix up soon.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1709258</commentid>
    <comment_count>4</comment_count>
      <attachid>414615</attachid>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2020-11-19 13:27:01 -0800</bug_when>
    <thetext>Created attachment 414615
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1709274</commentid>
    <comment_count>5</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-11-19 14:12:08 -0800</bug_when>
    <thetext>Committed r270051: &lt;https://trac.webkit.org/changeset/270051&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 414615.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>414615</attachid>
            <date>2020-11-19 13:27:01 -0800</date>
            <delta_ts>2020-11-19 14:12:08 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-219175-20201119132701.patch</filename>
            <type>text/plain</type>
            <size>4099</size>
            <attacher name="Wenson Hsieh">wenson_hsieh</attacher>
            
              <data encoding="base64">U3VidmVyc2lvbiBSZXZpc2lvbjogMjcwMDA2CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D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==
</data>

          </attachment>
      

    </bug>

</bugzilla>