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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-22967] race in destruction of user cache invalidation thread can cause use-after-free in MongoS shutdown</title>
                <link>https://jira.mongodb.org/browse/SERVER-22967</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Exposed by fixing &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22950&quot; title=&quot;mongos shutdown is non-deterministic when the shutdown command is executed&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22950&quot;&gt;&lt;del&gt;SERVER-22950&lt;/del&gt;&lt;/a&gt;. When we return from mongoSMain, the UserCacheInvalidator is still running, but we have already destroyed its state, since it is created on the stack. This causes a segfault when it tries to access its members (such as its mutex).&lt;/p&gt;</description>
                <environment></environment>
        <key id="270046">SERVER-22967</key>
            <summary>race in destruction of user cache invalidation thread can cause use-after-free in MongoS shutdown</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="9">Done</resolution>
                                        <assignee username="adam.midvidy">Adam Midvidy</assignee>
                                    <reporter username="adam.midvidy">Adam Midvidy</reporter>
                        <labels>
                            <label>code-only</label>
                    </labels>
                <created>Fri, 4 Mar 2016 18:30:45 +0000</created>
                <updated>Mon, 21 Nov 2016 19:23:04 +0000</updated>
                            <resolved>Fri, 4 Mar 2016 20:27:25 +0000</resolved>
                                                    <fixVersion>3.2.5</fixVersion>
                    <fixVersion>3.3.3</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1200970" author="xgen-internal-githook" created="Fri, 11 Mar 2016 19:01:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;amidvidy&apos;, u&apos;name&apos;: u&apos;Adam Midvidy&apos;, u&apos;email&apos;: u&apos;amidvidy@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22967&quot; title=&quot;race in destruction of user cache invalidation thread can cause use-after-free in MongoS shutdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22967&quot;&gt;&lt;del&gt;SERVER-22967&lt;/del&gt;&lt;/a&gt; ensure UserCacheInvalidator stops before we destroy its state&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 703c1f823eea9df285ed0fd2d167730664490286)&lt;br/&gt;
Branch: v3.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9629104644ffd55b3e556f0a7f60a1b45b3198be&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9629104644ffd55b3e556f0a7f60a1b45b3198be&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1193609" author="xgen-internal-githook" created="Fri, 4 Mar 2016 20:27:17 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;amidvidy&apos;, u&apos;name&apos;: u&apos;Adam Midvidy&apos;, u&apos;email&apos;: u&apos;amidvidy@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22967&quot; title=&quot;race in destruction of user cache invalidation thread can cause use-after-free in MongoS shutdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22967&quot;&gt;&lt;del&gt;SERVER-22967&lt;/del&gt;&lt;/a&gt; ensure UserCacheInvalidator stops before we destroy its state&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/703c1f823eea9df285ed0fd2d167730664490286&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/703c1f823eea9df285ed0fd2d167730664490286&lt;/a&gt;&lt;/p&gt;</comment>
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