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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-65704] BSONColumn validation reads uninitialized FCV for array compression feature flag check</title>
                <link>https://jira.mongodb.org/browse/SERVER-65704</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The test-only hook &lt;tt&gt;_validateBSONColumnRoundtrip()&lt;/tt&gt; for BSONColumn validation assumes that the FCV is initialized when it &lt;a href=&quot;https://github.com/mongodb/mongo/blob/4bd9a92a46797f25bcca6383e074b2389f760c3e/src/mongo/db/catalog/collection_validation.cpp#L471&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;checks if array compression is enabled&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This is not always the case especially in &lt;tt&gt;startupRepair()&lt;/tt&gt; when &lt;a href=&quot;https://github.com/mongodb/mongo/blob/4bd9a92a46797f25bcca6383e074b2389f760c3e/src/mongo/db/startup_recovery.cpp#L480&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;repair::repairCollection()&lt;/a&gt; is called before we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/4bd9a92a46797f25bcca6383e074b2389f760c3e/src/mongo/db/startup_recovery.cpp#L483-L484&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;restore/initialize the FCV document&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2026231">SERVER-65704</key>
            <summary>BSONColumn validation reads uninitialized FCV for array compression feature flag check</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="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="benety.goh@mongodb.com">Benety Goh</reporter>
                        <labels>
                    </labels>
                <created>Fri, 15 Apr 2022 16:12:58 +0000</created>
                <updated>Sun, 29 Oct 2023 21:39:21 +0000</updated>
                            <resolved>Fri, 15 Apr 2022 18:49:07 +0000</resolved>
                                                    <fixVersion>6.0.0-rc1</fixVersion>
                    <fixVersion>6.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4488282" author="xgen-internal-githook" created="Mon, 18 Apr 2022 15:48:27 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65704&quot; title=&quot;BSONColumn validation reads uninitialized FCV for array compression feature flag check&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65704&quot;&gt;&lt;del&gt;SERVER-65704&lt;/del&gt;&lt;/a&gt; always check array compression in test-only BSONColumn validation hook&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 941d7d65f2de075d53d2a2f80b780c98876fd731)&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7dec3cd8f8c93a041d7e255e287e3d0f17152640&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7dec3cd8f8c93a041d7e255e287e3d0f17152640&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4485952" author="xgen-internal-githook" created="Fri, 15 Apr 2022 17:45:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65704&quot; title=&quot;BSONColumn validation reads uninitialized FCV for array compression feature flag check&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65704&quot;&gt;&lt;del&gt;SERVER-65704&lt;/del&gt;&lt;/a&gt; always check array compression in test-only BSONColumn validation hook&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/941d7d65f2de075d53d2a2f80b780c98876fd731&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/941d7d65f2de075d53d2a2f80b780c98876fd731&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1982205">SERVER-63593</issuekey>
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            <issuekey id="1911451">SERVER-61047</issuekey>
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