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    <description>This file is an XML representation of an issue</description>
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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-57425] Avoid killing opCtx while holding the SessionCatalog mutex</title>
                <link>https://jira.mongodb.org/browse/SERVER-57425</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Killing an &lt;tt&gt;opCtx&lt;/tt&gt; triggers the execution of tasks scheduled on its baton (&lt;a href=&quot;https://github.com/mongodb/mongo/blob/b3f458f1e3bb917a6c30e8d5986eb854ab62d265/src/mongo/db/operation_context.cpp#L352&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;see here&lt;/a&gt;). Some of those tasks may acquire locks, and this acquisition could violate&#160;the hierarchical lock acquisition invariants in the context of &lt;tt&gt;SessionCatalog&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;Currently, the &lt;tt&gt;SessionCatalog&lt;/tt&gt; kills operations (&lt;a href=&quot;https://github.com/mongodb/mongo/blob/c1e603921ceba1c55d32b7978323cdc3261c7192/src/mongo/db/session_catalog.cpp#L247&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;) while holding a level 0 mutex (&lt;a href=&quot;https://github.com/mongodb/mongo/blob/c1e603921ceba1c55d32b7978323cdc3261c7192/src/mongo/db/session_catalog.h#L170&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;). This ticket should change this behavior and have the operation killed without holding the &lt;tt&gt;SessionCatalog&lt;/tt&gt; mutex.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1768037">SERVER-57425</key>
            <summary>Avoid killing opCtx while holding the SessionCatalog mutex</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="janna.golden@mongodb.com">Janna Golden</assignee>
                                    <reporter username="amirsaman.memaripour@mongodb.com">Amirsaman Memaripour</reporter>
                        <labels>
                            <label>sharding-csrs-stepdown-also</label>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Thu, 3 Jun 2021 20:08:28 +0000</created>
                <updated>Sun, 29 Oct 2023 21:52:40 +0000</updated>
                            <resolved>Wed, 7 Jul 2021 22:02:04 +0000</resolved>
                                                    <fixVersion>5.0.2</fixVersion>
                    <fixVersion>5.1.0-rc0</fixVersion>
                                    <component>Internal Code</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="4106923" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:12:41 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="3953953" author="xgen-internal-githook" created="Wed, 21 Jul 2021 01:16:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jannaerin&apos;, &apos;email&apos;: &apos;golden.janna@gmail.com&apos;, &apos;username&apos;: &apos;jannaerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57425&quot; title=&quot;Avoid killing opCtx while holding the SessionCatalog mutex&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57425&quot;&gt;&lt;del&gt;SERVER-57425&lt;/del&gt;&lt;/a&gt; Change SessionCatalog mutex to level 4&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 6ef95120bfa20d8f5a4a4d2487c83b205d1fc152)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/89915783b53af0de21508da599987e1b843bb535&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/89915783b53af0de21508da599987e1b843bb535&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3921729" author="xgen-internal-githook" created="Wed, 7 Jul 2021 21:01:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jannaerin&apos;, &apos;email&apos;: &apos;golden.janna@gmail.com&apos;, &apos;username&apos;: &apos;jannaerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57425&quot; title=&quot;Avoid killing opCtx while holding the SessionCatalog mutex&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57425&quot;&gt;&lt;del&gt;SERVER-57425&lt;/del&gt;&lt;/a&gt; Change SessionCatalog mutex to level 4&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6ef95120bfa20d8f5a4a4d2487c83b205d1fc152&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6ef95120bfa20d8f5a4a4d2487c83b205d1fc152&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3885953" author="xgen-internal-githook" created="Thu, 17 Jun 2021 21:11:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jannaerin&apos;, &apos;email&apos;: &apos;golden.janna@gmail.com&apos;, &apos;username&apos;: &apos;jannaerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57425&quot; title=&quot;Avoid killing opCtx while holding the SessionCatalog mutex&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57425&quot;&gt;&lt;del&gt;SERVER-57425&lt;/del&gt;&lt;/a&gt; Change SessionCatalog mutex to be level 1&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1f3feae6738def99ca4b89dff504ec1c3d48562b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1f3feae6738def99ca4b89dff504ec1c3d48562b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3870269" author="tommaso.tocci" created="Thu, 10 Jun 2021 09:15:03 +0000"  >&lt;p&gt;Assigning to NYC since it is related to sessions&lt;/p&gt;</comment>
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