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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-79] global &apos;ports&apos; variable is not used in a thread safe manner</title>
                <link>https://jira.mongodb.org/browse/SERVER-79</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Whenever we create a new MessagingPort, its address gets added to a global ports object.  We may create MessagingPort objects in Listener::listen() or in DBClientConnection::connect(), and the db mutex need not be held in either context.  It looks like the MessagingPort objects created by Listener are never destroyed, but the ones created by DBClientConnection get destroyed when the connection is destroyed.  On destruction MessagingPort objects are removed from the &apos;ports&apos; set, and this isn&apos;t done in a thread safe manner either.&lt;/p&gt;

&lt;p&gt;Resulted in a seg fault here:&lt;br/&gt;
&amp;lt;&lt;a href=&quot;http://buildbot.mongodb.org/builders/OS%20X%2010.5%2032-bit/builds/372/steps/test_3/logs/stdio&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://buildbot.mongodb.org/builders/OS%20X%2010.5%2032-bit/builds/372/steps/test_3/logs/stdio&lt;/a&gt;&amp;gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="10180">SERVER-79</key>
            <summary>global &apos;ports&apos; variable is not used in a thread safe manner</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="dwight@mongodb.com">Dwight Merriman</assignee>
                                    <reporter username="aaron">Aaron Staple</reporter>
                        <labels>
                    </labels>
                <created>Fri, 29 May 2009 14:13:03 +0000</created>
                <updated>Tue, 12 Jul 2016 00:29:16 +0000</updated>
                            <resolved>Mon, 1 Jun 2009 14:22:32 +0000</resolved>
                                                    <fixVersion>0.9.4</fixVersion>
                                    <component>Stability</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="10176" author="aaron" created="Fri, 29 May 2009 17:21:37 +0000"  >&lt;p&gt;Do you want Eliot to fix this by adding a new mutex to protect the global &apos;ports&apos; object?&lt;/p&gt;</comment>
                            <comment id="10172" author="aaron" created="Fri, 29 May 2009 14:16:08 +0000"  >&lt;p&gt;Do you want me to fix this by adding a new mutex to protect the global &apos;ports&apos; object?&lt;/p&gt;</comment>
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