<?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>314025</bug_id>
          
          <creation_ts>2026-05-04 15:33:55 -0700</creation_ts>
          <short_desc>[Site Isolation] http/tests/contentextensions/block-everything-unless-domain.html is flaky on macOS post-commit bots</short_desc>
          <delta_ts>2026-05-07 10:23:47 -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="Anthony Tarbinian">a.tarbinian</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2207385</commentid>
    <comment_count>0</comment_count>
    <who name="Anthony Tarbinian">a.tarbinian</who>
    <bug_when>2026-05-04 15:33:55 -0700</bug_when>
    <thetext>https://commits.webkit.org/311882@main fixed http/tests/contentextensions/block-everything-unless-domain.html
with site isolation enabled.

The test is not constantly failing, but is now flaky on macOS release site-isolation post-commit bots
with the following diff:

```
--- /Volumes/Data/worker/Apple-Tahoe-Release-WK2-Site-Isolation-Tree-Tests/build/layout-test-results/http/tests/contentextensions/block-everything-unless-domain-expected.txt
+++ /Volumes/Data/worker/Apple-Tahoe-Release-WK2-Site-Isolation-Tree-Tests/build/layout-test-results/http/tests/contentextensions/block-everything-unless-domain-actual.txt
@@ -1,4 +1,3 @@
 CONSOLE MESSAGE: helper loaded
-CONSOLE MESSAGE: Content blocker prevented frame displaying http://localhost:8000/contentextensions/resources/should-not-load.html from loading a resource from http://localhost:8000/contentextensions/resources/should-not-load.html
 CONSOLE MESSAGE: PASS - blocked the load
 ```


https://results.webkit.org/?suite=layout-tests&amp;test=http%2Ftests%2Fcontentextensions%2Fblock-everything-unless-domain.html&amp;flavor=site-isolation</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2207386</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2026-05-04 15:34:02 -0700</bug_when>
    <thetext>&lt;rdar://problem/176216963&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2207387</commentid>
    <comment_count>2</comment_count>
    <who name="Anthony Tarbinian">a.tarbinian</who>
    <bug_when>2026-05-04 15:42:58 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/64215</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2208629</commentid>
    <comment_count>3</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-05-07 10:23:45 -0700</bug_when>
    <thetext>Committed 312807@main (95ea1fff522f): &lt;https://commits.webkit.org/312807@main&gt;

Reviewed commits have been landed. Closing PR #64215 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>