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<!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>129948</bug_id>
          
          <creation_ts>2014-03-07 17:45:43 -0800</creation_ts>
          <short_desc>Crash in RenderBlock::addChildIgnoringAnonymousColumnBlocks when region-based multicol enabled</short_desc>
          <delta_ts>2014-03-21 11:13:55 -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>528+ (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="Vicki Pfau">jeffrey+webkit</reporter>
          <assigned_to name="Dave Hyatt">hyatt</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>esprehn+autocc</cc>
    
    <cc>glenn</cc>
    
    <cc>hyatt</cc>
    
    <cc>kondapallykalyan</cc>
    
    <cc>mstensho</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>988454</commentid>
    <comment_count>0</comment_count>
      <attachid>226192</attachid>
    <who name="Vicki Pfau">jeffrey+webkit</who>
    <bug_when>2014-03-07 17:45:43 -0800</bug_when>
    <thetext>Created attachment 226192
Repro

The attached repro will cause WebKit to crash in WebCore::RenderBlock::addChildIgnoringAnonymousColumnBlocks(WebCore::RenderObject*, WebCore::RenderObject*) when run in DumpRenderTree, and only when it enables the region-based multicol code path.

&lt;rdar://problem/16074072&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>993215</commentid>
    <comment_count>1</comment_count>
      <attachid>227460</attachid>
    <who name="Dave Hyatt">hyatt</who>
    <bug_when>2014-03-21 11:10:11 -0700</bug_when>
    <thetext>Created attachment 227460
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>993220</commentid>
    <comment_count>2</comment_count>
    <who name="Dave Hyatt">hyatt</who>
    <bug_when>2014-03-21 11:13:55 -0700</bug_when>
    <thetext>Fix landed in r166078.</thetext>
  </long_desc>
      
          <attachment
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          >
            <attachid>226192</attachid>
            <date>2014-03-07 17:45:43 -0800</date>
            <delta_ts>2014-03-07 17:45:43 -0800</delta_ts>
            <desc>Repro</desc>
            <filename>multicol-li-crash.html</filename>
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            <size>145</size>
            <attacher name="Vicki Pfau">jeffrey+webkit</attacher>
            
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            <attachid>227460</attachid>
            <date>2014-03-21 11:10:11 -0700</date>
            <delta_ts>2014-03-21 11:11:53 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>patch.txt</filename>
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            <attacher name="Dave Hyatt">hyatt</attacher>
            
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    </bug>

</bugzilla>