<?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>240795</bug_id>
          
          <creation_ts>2022-05-23 05:40:49 -0700</creation_ts>
          <short_desc>REGRESSION (r294291): Another nullptr crash with ::first-letter</short_desc>
          <delta_ts>2022-06-22 04:41:13 -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>Layout and Rendering</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <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="Antti Koivisto">koivisto</reporter>
          <assigned_to name="Antti Koivisto">koivisto</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>changseok</cc>
    
    <cc>esprehn+autocc</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>glenn</cc>
    
    <cc>kondapallykalyan</cc>
    
    <cc>msaboff</cc>
    
    <cc>pdr</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1871139</commentid>
    <comment_count>0</comment_count>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2022-05-23 05:40:49 -0700</bug_when>
    <thetext>&lt;style&gt;
  html::first-letter {
    width: 0;
  }
&lt;/style&gt;
&lt;script&gt;
  onload = () =&gt; {
    document.execCommand(&apos;SelectAll&apos;);
    document.body.append(&apos;aa&apos;);
    document.documentElement.append(&apos;&apos;);
    document.body.offsetTop;
    document.body.style.overflow = &apos;clip&apos;;
  };
&lt;/script&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1871140</commentid>
    <comment_count>1</comment_count>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2022-05-23 05:41:04 -0700</bug_when>
    <thetext>rdar://93645746</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1871141</commentid>
    <comment_count>2</comment_count>
      <attachid>459671</attachid>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2022-05-23 05:51:57 -0700</bug_when>
    <thetext>Created attachment 459671
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1871247</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2022-05-23 11:20:19 -0700</bug_when>
    <thetext>Found 3 new test failures: webgl/2.0.0/conformance2/textures/image_bitmap_from_image_bitmap/tex-2d-r16f-red-half_float.html, webgl/2.0.0/conformance2/textures/image_bitmap_from_image_bitmap/tex-3d-r32f-red-float.html, webgl/2.0.0/conformance2/textures/image_bitmap_from_image_bitmap/tex-3d-rgba4-rgba-unsigned_short_4_4_4_4.html</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1871432</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2022-05-23 23:00:57 -0700</bug_when>
    <thetext>Committed r294736 (250908@main): &lt;https://commits.webkit.org/250908@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 459671.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1877271</commentid>
    <comment_count>5</comment_count>
    <who name="Rob Buis">rbuis</who>
    <bug_when>2022-06-22 04:41:13 -0700</bug_when>
    <thetext>*** Bug 241555 has been marked as a duplicate of this bug. ***</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>459671</attachid>
            <date>2022-05-23 05:51:57 -0700</date>
            <delta_ts>2022-05-23 23:00:58 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-240795-20220523155156.patch</filename>
            <type>text/plain</type>
            <size>5591</size>
            <attacher name="Antti Koivisto">koivisto</attacher>
            
              <data encoding="base64">RnJvbSBmNDM3NmY4YTdhMTYxN2UzZTVjZWZjMDBhNTZhZmMzZDllZTAxNWY1IE1vbiBTZXAgMTcg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</data>

          </attachment>
      

    </bug>

</bugzilla>