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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-34586] Possible double mutex acquisition in ShardServerCatalogCacheLoader</title>
                <link>https://jira.mongodb.org/browse/SERVER-34586</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;With the mutex already acquired during collection metadata refresh &lt;a href=&quot;https://github.com/mongodb/mongo/blob/964469f09978ed5c9ca340aee4014269ed29a7ae/src/mongo/db/s/shard_server_catalog_cache_loader.cpp#L901&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;, if scheduling the worker thread fails for any reason (most likely only on shutdown), the mutex will be recursively acquired, which is &lt;a href=&quot;http://en.cppreference.com/w/cpp/thread/mutex&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;not allowed&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Same problem exists for the database refresh logic &lt;a href=&quot;https://github.com/mongodb/mongo/blob/964469f09978ed5c9ca340aee4014269ed29a7ae/src/mongo/db/s/shard_server_catalog_cache_loader.cpp#L944&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="531568">SERVER-34586</key>
            <summary>Possible double mutex acquisition in ShardServerCatalogCacheLoader</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="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Fri, 20 Apr 2018 12:22:16 +0000</created>
                <updated>Sun, 29 Oct 2023 22:32:32 +0000</updated>
                            <resolved>Fri, 20 Apr 2018 19:32:30 +0000</resolved>
                                    <version>3.6.4</version>
                    <version>3.7.5</version>
                                    <fixVersion>3.6.5</fixVersion>
                    <fixVersion>3.7.6</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1871668" author="xgen-internal-githook" created="Mon, 23 Apr 2018 17:49:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;username&apos;: &apos;kaloianm&apos;, &apos;name&apos;: &apos;Kaloian Manassiev&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34586&quot; title=&quot;Possible double mutex acquisition in ShardServerCatalogCacheLoader&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34586&quot;&gt;&lt;del&gt;SERVER-34586&lt;/del&gt;&lt;/a&gt; Avoid possible double mutex acquisition in ShardServerCatalogCacheLoader&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 7b1ac75a303433b18377493a8378fecad8446d59)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/40eb78612eaadd35d30d80990fbe3783a8216e33&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/40eb78612eaadd35d30d80990fbe3783a8216e33&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1870459" author="xgen-internal-githook" created="Fri, 20 Apr 2018 19:31:24 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;username&apos;: &apos;kaloianm&apos;, &apos;name&apos;: &apos;Kaloian Manassiev&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34586&quot; title=&quot;Possible double mutex acquisition in ShardServerCatalogCacheLoader&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34586&quot;&gt;&lt;del&gt;SERVER-34586&lt;/del&gt;&lt;/a&gt; Avoid possible double mutex acquisition in ShardServerCatalogCacheLoader&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7b1ac75a303433b18377493a8378fecad8446d59&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7b1ac75a303433b18377493a8378fecad8446d59&lt;/a&gt;&lt;/p&gt;</comment>
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