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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-70867] [SBE] Unsafe usage of value::compareValue</title>
                <link>https://jira.mongodb.org/browse/SERVER-70867</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The value::compareValue returns a tag+value that in some cases can be Nothing instead of an Integer32. This happens when one of the two operands is Nothing, or they are two ArraySets of different content. There are two places where the caller directly reaches for the value and assumes it&apos;s an Integer32, leading to a Nothing result to be treated as &quot;values are equal&quot;.&lt;/p&gt;

&lt;p&gt;1. the const_eval rewrite at &lt;a href=&quot;https://github.com/10gen/mongo/blob/master/src/mongo/db/query/optimizer/rewrites/const_eval.cpp#L312&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/master/src/mongo/db/query/optimizer/rewrites/const_eval.cpp#L312&lt;/a&gt;&lt;br/&gt;
2. the sort algorithm in the SortStage at &lt;a href=&quot;https://github.com/10gen/mongo/blob/master/src/mongo/db/exec/sbe/stages/sort.cpp#L138&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/master/src/mongo/db/exec/sbe/stages/sort.cpp#L138&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;The latter should be protected by the presence of Nothing (because it&apos;s converted into Null by the code that generates the sort keys), but we should investigate how ArraySet are handled in both cases.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2167417">SERVER-70867</key>
            <summary>[SBE] Unsafe usage of value::compareValue</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="adi.agrawal@mongodb.com">Adi Agrawal</assignee>
                                    <reporter username="alberto.massari@mongodb.com">Alberto Massari</reporter>
                        <labels>
                            <label>pm2697-m2</label>
                            <label>sbe</label>
                    </labels>
                <created>Wed, 26 Oct 2022 14:36:12 +0000</created>
                <updated>Sun, 29 Oct 2023 21:31:26 +0000</updated>
                            <resolved>Mon, 5 Dec 2022 14:47:13 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="5026596" author="xgen-internal-githook" created="Fri, 2 Dec 2022 21:56:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Adityavardhan Agrawal&apos;, &apos;email&apos;: &apos;aa729@cornell.edu&apos;, &apos;username&apos;: &apos;Adityav369&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70867&quot; title=&quot;[SBE] Unsafe usage of value::compareValue&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70867&quot;&gt;&lt;del&gt;SERVER-70867&lt;/del&gt;&lt;/a&gt; Add uassert to handle unsafe usage of value::compareValue&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9836a37758bf158652b5664e9ddda961bd548326&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9836a37758bf158652b5664e9ddda961bd548326&lt;/a&gt;&lt;/p&gt;</comment>
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