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    <title>Most recent entries from all</title>
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    <lastBuildDate>Thu, 01 Oct 2026 14:15:32 +0000</lastBuildDate>
    <item>
      <title>CVE-2023-53672 — btrfs: output extra debug info if we failed to find an inline backref</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-53672</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;btrfs: output extra debug info if we failed to find an inline backref&lt;/p&gt;
&lt;p&gt;[BUG]
Syzbot reported several warning triggered inside
lookup_inline_extent_backref().&lt;/p&gt;
&lt;p&gt;[CAUSE]
As usual, the reproducer doesn&amp;#39;t reliably trigger locally here, but at
least we know the WARN_ON() is triggered when an inline backref can not
be found, and it can only be triggered when @insert is true. (I.e.
inserting a new inline backref, which means the backref should already
exist)&lt;/p&gt;
&lt;p&gt;[ENHANCEMENT]
After the WARN_ON(), dump all the parameters and the extent tree
leaf to help debug.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;btrfs: output extra debug info if we failed to find an inline backref&lt;/p&gt;
&lt;p&gt;[BUG]
Syzbot reported several warning triggered inside
lookup_inline_extent_backref().&lt;/p&gt;
&lt;p&gt;[CAUSE]
As usual, the reproducer doesn&amp;#39;t reliably trigger locally here, but at
least we know the WARN_ON() is triggered when an inline backref can not
be found, and it can only be triggered when @insert is true. (I.e.
inserting a new inline backref, which means the backref should already
exist)&lt;/p&gt;
&lt;p&gt;[ENHANCEMENT]
After the WARN_ON(), dump all the parameters and the extent tree
leaf to help debug.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2023-53672</guid>
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