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    <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-70785] data race on the _rsConfigState field inside waitUntilOpTimeForReadUntil</title>
                <link>https://jira.mongodb.org/browse/SERVER-70785</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We are accessing _rsConfigState inside&#160; &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5c0815dea7e7f85f6f3b7d2a6a9dc8663682c72f/src/mongo/db/repl/replication_coordinator_impl.cpp#L1638&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ReplicationCoordinatorImpl::waitUntilOpTimeForReadUntil&lt;/a&gt; without holding the replicationCoordinator mutex which can lead to data race.&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="2164877">SERVER-70785</key>
            <summary>data race on the _rsConfigState field inside waitUntilOpTimeForReadUntil</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="3">Duplicate</resolution>
                                        <assignee username="kaitlin.mahar@mongodb.com">Kaitlin Mahar</assignee>
                                    <reporter username="m.maher@mongodb.com">Moustafa Maher</reporter>
                        <labels>
                            <label>repl-shortlist</label>
                            <label>tsan</label>
                    </labels>
                <created>Mon, 24 Oct 2022 02:13:02 +0000</created>
                <updated>Tue, 21 Feb 2023 18:39:01 +0000</updated>
                            <resolved>Tue, 21 Feb 2023 18:39:01 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="5217687" author="ali.mir" created="Tue, 21 Feb 2023 18:15:17 +0000"  >&lt;p&gt;It looks like this work is duplicated by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-74149&quot; title=&quot;_rsConfigState should be protected by the RelicationCoordinatorImpl mutex in waitUntilOpTimeForReadUntil&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-74149&quot;&gt;&lt;del&gt;SERVER-74149&lt;/del&gt;&lt;/a&gt;, with the PR already approved. cc &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=vishnu.kaushik%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;vishnu.kaushik@mongodb.com&quot;&gt;vishnu.kaushik@mongodb.com&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4923280" author="samy.lanka" created="Mon, 24 Oct 2022 18:44:00 +0000"  >&lt;p&gt;The impact of this race is not particularly severe, there will be some reads that are unnecessarily failed if a reconfig is going on at the same time as the read. However, it&apos;s not possible to go from an initialized config back to an uninitialized config, so there shouldn&apos;t be a chance of not failing a read that should be failed. As a result, we don&apos;t think the fix should be backported to any older versions.&lt;/p&gt;</comment>
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