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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>227318</bug_id>
          
          <creation_ts>2021-06-23 14:31:28 -0700</creation_ts>
          <short_desc>REGRESSION(r278970): A CATransaction commitHandler should not execute a client callback</short_desc>
          <delta_ts>2021-09-09 00:02:25 -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>Images</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=226257</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=230085</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="Said Abou-Hallawa">sabouhallawa</reporter>
          <assigned_to name="Said Abou-Hallawa">sabouhallawa</assigned_to>
          <cc>thorton</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1772066</commentid>
    <comment_count>0</comment_count>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2021-06-23 14:31:28 -0700</bug_when>
    <thetext>Because the client callback may cause directly or indirectly another CATransaction commitHandler to be added which is prohibited by CA.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1772073</commentid>
    <comment_count>1</comment_count>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2021-06-23 14:49:48 -0700</bug_when>
    <thetext>&lt;rdar://79625962&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1772075</commentid>
    <comment_count>2</comment_count>
      <attachid>432093</attachid>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2021-06-23 14:55:29 -0700</bug_when>
    <thetext>Created attachment 432093
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1772097</commentid>
    <comment_count>3</comment_count>
      <attachid>432093</attachid>
    <who name="Tim Horton">thorton</who>
    <bug_when>2021-06-23 16:05:44 -0700</bug_when>
    <thetext>Comment on attachment 432093
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=432093&amp;action=review

&gt; Source/WebKit/UIProcess/API/Cocoa/WKWebView.mm:1248
&gt; +            dispatch_async(dispatch_get_main_queue(), ^{

Likely better to use a lambda, like we do for addCommitHandler; replace the `^{` with `[callSnapshotRect = WTFMove(callSnapshotRect)] {`</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1772126</commentid>
    <comment_count>4</comment_count>
      <attachid>432115</attachid>
    <who name="Said Abou-Hallawa">sabouhallawa</who>
    <bug_when>2021-06-23 17:07:49 -0700</bug_when>
    <thetext>Created attachment 432115
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1772181</commentid>
    <comment_count>5</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-06-23 22:27:39 -0700</bug_when>
    <thetext>Committed r279210 (239096@main): &lt;https://commits.webkit.org/239096@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 432115.</thetext>
  </long_desc>
      
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            <date>2021-06-23 17:07:49 -0700</date>
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