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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>201620</bug_id>
          
          <creation_ts>2019-09-09 16:48:55 -0700</creation_ts>
          <short_desc>REGRESSION: [ Catalina WK2 ] http/wpt/webauthn/public-key-credential-create-success-u2f.https.html is failing</short_desc>
          <delta_ts>2019-10-15 11:08:04 -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>WebCore Misc.</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>201902</dup_id>
          
          <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="Jiewen Tan">jiewen_tan</reporter>
          <assigned_to name="Jiewen Tan">jiewen_tan</assigned_to>
          <cc>achristensen</cc>
    
    <cc>cdumez</cc>
    
    <cc>commit-queue</cc>
    
    <cc>dewei_zhu</cc>
    
    <cc>jiewen_tan</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1569352</commentid>
    <comment_count>0</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-09 16:48:55 -0700</bug_when>
    <thetext>REGRESSION: [ Catalina WK2 ] http/wpt/webauthn/public-key-credential-create-success-u2f.https.html is failing.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569353</commentid>
    <comment_count>1</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-09 16:49:10 -0700</bug_when>
    <thetext>&lt;rdar://problem/51524958&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569366</commentid>
    <comment_count>2</comment_count>
      <attachid>378420</attachid>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-09 17:38:11 -0700</bug_when>
    <thetext>Created attachment 378420
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569430</commentid>
    <comment_count>3</comment_count>
      <attachid>378420</attachid>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2019-09-09 20:37:50 -0700</bug_when>
    <thetext>Comment on attachment 378420
Patch

This shouldn&apos;t change any behavior, but it does introduce an unnecessary Victor copy.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569609</commentid>
    <comment_count>4</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-10 11:56:11 -0700</bug_when>
    <thetext>(In reply to Alex Christensen from comment #3)
&gt; Comment on attachment 378420 [details]
&gt; Patch
&gt; 
&gt; This shouldn&apos;t change any behavior, but it does introduce an unnecessary
&gt; Victor copy.

Where?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569668</commentid>
    <comment_count>5</comment_count>
      <attachid>378420</attachid>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2019-09-10 14:36:18 -0700</bug_when>
    <thetext>Comment on attachment 378420
Patch

If this does fix anything, we should definitely fix Vector to prevent other such bugs.  I don&apos;t think it will fix anything though, but you&apos;re welcome to try.  Please revert if it doesn&apos;t fix.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569670</commentid>
    <comment_count>6</comment_count>
      <attachid>378420</attachid>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-10 14:38:36 -0700</bug_when>
    <thetext>Comment on attachment 378420
Patch

Thanks Alex for r+ it. I will definitely keep the bug open and keep an eye on the bots.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569698</commentid>
    <comment_count>7</comment_count>
      <attachid>378420</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-10 15:28:38 -0700</bug_when>
    <thetext>Comment on attachment 378420
Patch

Clearing flags on attachment: 378420

Committed r249737: &lt;https://trac.webkit.org/changeset/249737&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569699</commentid>
    <comment_count>8</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-10 15:28:39 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569700</commentid>
    <comment_count>9</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-10 15:35:05 -0700</bug_when>
    <thetext>Reopened for continuous monitoring bots.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569971</commentid>
    <comment_count>10</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-11 13:59:12 -0700</bug_when>
    <thetext>(In reply to Alex Christensen from comment #5)
&gt; Comment on attachment 378420 [details]
&gt; Patch
&gt; 
&gt; If this does fix anything, we should definitely fix Vector to prevent other
&gt; such bugs.  I don&apos;t think it will fix anything though, but you&apos;re welcome to
&gt; try.  Please revert if it doesn&apos;t fix.

Believe it or not. It did fix the bots:
https://results.safari.apple.com/?suite=layout-tests&amp;test=http%2Fwpt%2Fwebauthn%2Fpublic-key-credential-create-success-u2f.https.html

I will try to fix the vector issue as well then.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569976</commentid>
    <comment_count>11</comment_count>
      <attachid>378420</attachid>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2019-09-11 14:15:05 -0700</bug_when>
    <thetext>Comment on attachment 378420
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=378420&amp;action=review

&gt; Source/WebCore/Modules/webauthn/fido/U2fResponseConverter.cpp:102
&gt; +    memset(aaguid.data(), 0, aaguidLength);

Hard to believe this would change anything indeed.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574612</commentid>
    <comment_count>12</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-26 13:47:23 -0700</bug_when>
    <thetext>(In reply to Chris Dumez from comment #11)
&gt; Comment on attachment 378420 [details]
&gt; Patch
&gt; 
&gt; View in context:
&gt; https://bugs.webkit.org/attachment.cgi?id=378420&amp;action=review
&gt; 
&gt; &gt; Source/WebCore/Modules/webauthn/fido/U2fResponseConverter.cpp:102
&gt; &gt; +    memset(aaguid.data(), 0, aaguidLength);
&gt; 
&gt; Hard to believe this would change anything indeed.

Still not able to reproduce the issue in my other Mac that has less memory. Will upload a patch to confirm the issue.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574614</commentid>
    <comment_count>13</comment_count>
      <attachid>379675</attachid>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-26 13:52:15 -0700</bug_when>
    <thetext>Created attachment 379675
Try to confirm the cause.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574630</commentid>
    <comment_count>14</comment_count>
      <attachid>379675</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-26 14:36:42 -0700</bug_when>
    <thetext>Comment on attachment 379675
Try to confirm the cause.

Clearing flags on attachment: 379675

Committed r250397: &lt;https://trac.webkit.org/changeset/250397&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574631</commentid>
    <comment_count>15</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-26 14:36:44 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574655</commentid>
    <comment_count>16</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-26 15:18:36 -0700</bug_when>
    <thetext>Reopened for continuous monitoring bots.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574699</commentid>
    <comment_count>17</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-26 18:05:19 -0700</bug_when>
    <thetext>r250397 confirmed the issue.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574710</commentid>
    <comment_count>18</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-26 20:09:54 -0700</bug_when>
    <thetext>I guess I need to ask bot watcher for a machine to reproduce the bug before I make any changes to Vector. From code inspection, it is really hard to even make a speculative fix.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1574953</commentid>
    <comment_count>19</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-09-27 13:38:34 -0700</bug_when>
    <thetext>Reverted r250397 for reason:

caused failure on iOS 13

Committed r250455: &lt;https://trac.webkit.org/changeset/250455&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1579288</commentid>
    <comment_count>20</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2019-10-11 15:57:53 -0700</bug_when>
    <thetext>The real fix for this is in https://bugs.webkit.org/show_bug.cgi?id=201902</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1579300</commentid>
    <comment_count>21</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-10-11 16:33:52 -0700</bug_when>
    <thetext>(In reply to Alex Christensen from comment #20)
&gt; The real fix for this is in https://bugs.webkit.org/show_bug.cgi?id=201902

It looks super cool.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1580178</commentid>
    <comment_count>22</comment_count>
    <who name="Jiewen Tan">jiewen_tan</who>
    <bug_when>2019-10-15 11:08:04 -0700</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 201902 ***</thetext>
  </long_desc>
      
          <attachment
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            <attachid>378420</attachid>
            <date>2019-09-09 17:38:11 -0700</date>
            <delta_ts>2019-09-10 15:28:38 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-201620-20190909173810.patch</filename>
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          <attachment
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              ispatch="1"
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            <attachid>379675</attachid>
            <date>2019-09-26 13:52:15 -0700</date>
            <delta_ts>2019-09-26 14:36:42 -0700</delta_ts>
            <desc>Try to confirm the cause.</desc>
            <filename>bug-201620-20190926135215.patch</filename>
            <type>text/plain</type>
            <size>1594</size>
            <attacher name="Jiewen Tan">jiewen_tan</attacher>
            
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