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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>221620</bug_id>
          
          <creation_ts>2021-02-09 11:53:57 -0800</creation_ts>
          <short_desc>Make Caches::writeRecord and Caches::readRecord more robust</short_desc>
          <delta_ts>2021-07-06 12:34:17 -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>New Bugs</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="Alex Christensen">achristensen</reporter>
          <assigned_to name="Alex Christensen">achristensen</assigned_to>
          <cc>cdumez</cc>
    
    <cc>cgarcia</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>youennf</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1727153</commentid>
    <comment_count>0</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2021-02-09 11:53:57 -0800</bug_when>
    <thetext>Make Caches::writeRecord and Caches::readRecord more robust</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1727155</commentid>
    <comment_count>1</comment_count>
      <attachid>419748</attachid>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2021-02-09 11:54:47 -0800</bug_when>
    <thetext>Created attachment 419748
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1727156</commentid>
    <comment_count>2</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2021-02-09 11:55:07 -0800</bug_when>
    <thetext>Crash record at https://ews-build.s3-us-west-2.amazonaws.com/macOS-Catalina-Release-WK2-Tests-EWS/r419742-829/imported/w3c/web-platform-tests/service-workers/service-worker/fetch-event-within-sw.https-crash-log.txt</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1729848</commentid>
    <comment_count>3</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-02-16 11:54:16 -0800</bug_when>
    <thetext>&lt;rdar://problem/74400704&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1774902</commentid>
    <comment_count>4</comment_count>
      <attachid>419748</attachid>
    <who name="youenn fablet">youennf</who>
    <bug_when>2021-07-06 02:08:04 -0700</bug_when>
    <thetext>Comment on attachment 419748
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=419748&amp;action=review

&gt; Source/WebKit/ChangeLog:9
&gt; +        Some events happen during teardown.  No reason to crash.

This seems ok to add a null check.
The underlying issue is probably that:
- we request space, which is an asynchronous operation as we may prompt user
- somehow we are requested to clear the caches
- user grants request space and we are back with no available storage.

I think this can be fixed by bailing out early in Caches::requestSpace callback in case m_isInitialized is false.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1774991</commentid>
    <comment_count>5</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2021-07-06 10:41:04 -0700</bug_when>
    <thetext>r279597</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1775008</commentid>
    <comment_count>6</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2021-07-06 11:30:46 -0700</bug_when>
    <thetext>Reverted in r279599</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1775009</commentid>
    <comment_count>7</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2021-07-06 11:32:21 -0700</bug_when>
    <thetext>Reopening to attach new patch.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1775010</commentid>
    <comment_count>8</comment_count>
      <attachid>432953</attachid>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2021-07-06 11:32:23 -0700</bug_when>
    <thetext>Created attachment 432953
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1775044</commentid>
    <comment_count>9</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-07-06 12:34:15 -0700</bug_when>
    <thetext>Committed r279607 (239430@main): &lt;https://commits.webkit.org/239430@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 432953.</thetext>
  </long_desc>
      
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            <delta_ts>2021-07-06 11:32:18 -0700</delta_ts>
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