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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>312382</bug_id>
          
          <creation_ts>2026-04-15 09:59:27 -0700</creation_ts>
          <short_desc>[libpas] Disable tag-check-on-dealloc</short_desc>
          <delta_ts>2026-04-15 17:10:51 -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>bmalloc</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="Marcus Plutowski">marcus_plutowski</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>ggaren</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2200685</commentid>
    <comment_count>0</comment_count>
    <who name="Marcus Plutowski">marcus_plutowski</who>
    <bug_when>2026-04-15 09:59:27 -0700</bug_when>
    <thetext>rdar://174561714

This is causing some stability fallout due to callers attempting to free with a pointer that has the atag stripped, but since the check happens on the scavenge path we can&apos;t see what caller is doing so, so we need to disable while figuring out what allocation path doing this.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2200707</commentid>
    <comment_count>1</comment_count>
    <who name="Marcus Plutowski">marcus_plutowski</who>
    <bug_when>2026-04-15 10:43:32 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/62828</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2200874</commentid>
    <comment_count>2</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2026-04-15 17:10:49 -0700</bug_when>
    <thetext>Committed 311334@main (0bf7411f7988): &lt;https://commits.webkit.org/311334@main&gt;

Reviewed commits have been landed. Closing PR #62828 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>