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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-64580] Step downs while sharding a collection in mixed binaries shards might crash the old binary</title>
                <link>https://jira.mongodb.org/browse/SERVER-64580</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In the create collection coordinator documents we have &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f401a0e58d0d18283cff94185b8f1a6937b82dc6/src/mongo/db/s/create_collection_coordinator_document.idl#L52&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;strict as true&lt;/a&gt;, considering we have the create collection request parameters as fields in the document, after &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62454&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;SERVER-62454&lt;/a&gt; and &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-63732&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;SERVER-63732&lt;/a&gt; we&apos;ve added 3 new parameters to the request, making the coordinator document in new versions incompatible with old ones. &lt;/p&gt;

&lt;p&gt;The crash scenario is the following: if we have a mixed binaries shard and a shard collection is issued against the primary node in 6.0 or 5.3 and then a stepdown happens, if the new primary is 5.0 then the parse of the document will fail, making the construction to throw, which in turn will hit the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f401a0e58d0d18283cff94185b8f1a6937b82dc6/src/mongo/db/s/sharding_ddl_coordinator.cpp#L75&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;DDL coordinator construction invariant&lt;/a&gt;. We should set strict false in the create collection coordinator document.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2003327">SERVER-64580</key>
            <summary>Step downs while sharding a collection in mixed binaries shards might crash the old binary</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="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</assignee>
                                    <reporter username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</reporter>
                        <labels>
                    </labels>
                <created>Wed, 16 Mar 2022 19:02:16 +0000</created>
                <updated>Sun, 29 Oct 2023 21:41:00 +0000</updated>
                            <resolved>Thu, 17 Mar 2022 13:46:35 +0000</resolved>
                                    <version>5.0.5</version>
                    <version>5.3.0-rc3</version>
                                    <fixVersion>5.3.2</fixVersion>
                    <fixVersion>6.0.0-rc0</fixVersion>
                    <fixVersion>5.0.7</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4418855" author="xgen-internal-githook" created="Thu, 17 Mar 2022 17:34:01 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Marcos Jose Grillo Ramirez&apos;, &apos;email&apos;: &apos;marcos.grillo@mongodb.com&apos;, &apos;username&apos;: &apos;m4nti5&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64580&quot; title=&quot;Step downs while sharding a collection in mixed binaries shards might crash the old binary&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64580&quot;&gt;&lt;del&gt;SERVER-64580&lt;/del&gt;&lt;/a&gt; Set strict false in create collection coordinator document&lt;/p&gt;

&lt;p&gt;(cherry picked from commit f7e3b602cf271f7793eedfbc49050e6728607ad7)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ac2d7f5202986a918d176059eabd95c6406cf857&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ac2d7f5202986a918d176059eabd95c6406cf857&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4417948" author="xgen-internal-githook" created="Thu, 17 Mar 2022 13:39:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Marcos Jose Grillo Ramirez&apos;, &apos;email&apos;: &apos;marcos.grillo@mongodb.com&apos;, &apos;username&apos;: &apos;m4nti5&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64580&quot; title=&quot;Step downs while sharding a collection in mixed binaries shards might crash the old binary&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64580&quot;&gt;&lt;del&gt;SERVER-64580&lt;/del&gt;&lt;/a&gt; Set strict false in create collection coordinator document&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f7e3b602cf271f7793eedfbc49050e6728607ad7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f7e3b602cf271f7793eedfbc49050e6728607ad7&lt;/a&gt;&lt;/p&gt;</comment>
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