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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-43880] renameCollection across DBs uses unowned RecordData after cursor has been yielded </title>
                <link>https://jira.mongodb.org/browse/SERVER-43880</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/be871247f92e6761f462300db061a48ccb9f3543/src/mongo/db/catalog/rename_collection.cpp#L701&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;renameBetweenDBs&lt;/a&gt; calls cursor-&amp;gt;next() and keeps track of an unowned RecordData. After it saves, commits, and restores, it attempts to insert the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/be871247f92e6761f462300db061a48ccb9f3543/src/mongo/db/catalog/rename_collection.cpp#L695&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;RecordData it was holding in a prior snapshot&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This is problematic because the RecordData can point to freed or overwritten memory.&lt;/p&gt;</description>
                <environment></environment>
        <key id="964443">SERVER-43880</key>
            <summary>renameCollection across DBs uses unowned RecordData after cursor has been yielded </summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="milkie@mongodb.com">Eric Milkie</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
                        <labels>
                    </labels>
                <created>Tue, 8 Oct 2019 13:59:23 +0000</created>
                <updated>Sun, 29 Oct 2023 22:16:20 +0000</updated>
                            <resolved>Thu, 7 Nov 2019 13:39:56 +0000</resolved>
                                    <version>4.2.0</version>
                                    <fixVersion>4.3.1</fixVersion>
                    <fixVersion>4.2.2</fixVersion>
                                    <component>Catalog</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="2564598" author="xgen-internal-githook" created="Mon, 25 Nov 2019 15:52:16 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;milkie@mongodb.com&apos;, &apos;name&apos;: &apos;Eric Milkie&apos;, &apos;username&apos;: &apos;milkie&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43880&quot; title=&quot;renameCollection across DBs uses unowned RecordData after cursor has been yielded &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43880&quot;&gt;&lt;del&gt;SERVER-43880&lt;/del&gt;&lt;/a&gt; renameBetweenDBs needs to own record data prior to yielding&lt;/p&gt;

&lt;p&gt;(cherry picked from commit a811bbe9d2489c428886288651c2dbddec0d123d)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bf17247e9dfa28b315d6b2c04da0d202ebba8d97&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bf17247e9dfa28b315d6b2c04da0d202ebba8d97&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2522149" author="xgen-internal-githook" created="Thu, 7 Nov 2019 13:24:05 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;milkie&apos;, &apos;email&apos;: &apos;milkie@mongodb.com&apos;, &apos;name&apos;: &apos;Eric Milkie&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43880&quot; title=&quot;renameCollection across DBs uses unowned RecordData after cursor has been yielded &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43880&quot;&gt;&lt;del&gt;SERVER-43880&lt;/del&gt;&lt;/a&gt; renameBetweenDBs needs to own record data prior to yielding&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a811bbe9d2489c428886288651c2dbddec0d123d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a811bbe9d2489c428886288651c2dbddec0d123d&lt;/a&gt;&lt;/p&gt;</comment>
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