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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-54066] Out-of-order destruction of multiple AutoGetCollectionForRead*LockFree helpers can result in unstashing the CollectionCatalog before all instances are done using it</title>
                <link>https://jira.mongodb.org/browse/SERVER-54066</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The top level AutoGetCollectionForReadLockFree instance stashes a copy of the CollectionCatalog as a shared pointer on the OperationContext. When it destructs, the stashed CollectionCatalog is removed. However, subsequently created AGCFRLR instances use the first instance&apos;s stash and do not create their own. So out of order destruction, i.e. the first instance is destroyed before the later ones, will cause the later ones to default back to the latest CollectionCatalog, no longer using consistent in-memory and on-disk state.&lt;/p&gt;

&lt;p&gt;Code references:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/e1b123d6c2da868a9ef7f1468e140dd102a35020/src/mongo/db/db_raii.cpp#L142&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Set up CollectionCatalogStasher&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/e1b123d6c2da868a9ef7f1468e140dd102a35020/src/mongo/db/db_raii.cpp#L109-L113&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Skip setting up CollectionCatalogStasher&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;This is important for query SBE. Currently getMore does out-of-order AGCFRLF destruction, and other cmds will in the immediate future.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1601330">SERVER-54066</key>
            <summary>Out-of-order destruction of multiple AutoGetCollectionForRead*LockFree helpers can result in unstashing the CollectionCatalog before all instances are done using it</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="dianna.hohensee@mongodb.com">Dianna Hohensee</assignee>
                                    <reporter username="dianna.hohensee@mongodb.com">Dianna Hohensee</reporter>
                        <labels>
                    </labels>
                <created>Tue, 26 Jan 2021 23:09:52 +0000</created>
                <updated>Sun, 29 Oct 2023 21:58:21 +0000</updated>
                            <resolved>Wed, 17 Feb 2021 21:26:46 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3620055" author="xgen-internal-githook" created="Wed, 17 Feb 2021 19:46:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Dianna Hohensee&apos;, &apos;email&apos;: &apos;dianna.hohensee@mongodb.com&apos;, &apos;username&apos;: &apos;DiannaHohensee&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54066&quot; title=&quot;Out-of-order destruction of multiple AutoGetCollectionForRead*LockFree helpers can result in unstashing the CollectionCatalog before all instances are done using it&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54066&quot;&gt;&lt;del&gt;SERVER-54066&lt;/del&gt;&lt;/a&gt; Retain stashed CollectionCatalog in the case of out-of-order destruction of AutoGetCollectionForRead*LockFree helpers&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fddc96f21b6d60f1a13d04ac36b10a8ad0f056c2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fddc96f21b6d60f1a13d04ac36b10a8ad0f056c2&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1666077">SERVER-55658</issuekey>
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