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    <description>This file is an XML representation of an issue</description>
    <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-23713] Aggregation numeric ops rely on undefined signed overflow and numeric coercion</title>
                <link>https://jira.mongodb.org/browse/SERVER-23713</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;There are several errors in the Expression and Accumulators for numeric operations that are exposed when running the tests under the undefined behavior sanitizer.&lt;/p&gt;</description>
                <environment></environment>
        <key id="279665">SERVER-23713</key>
            <summary>Aggregation numeric ops rely on undefined signed overflow and numeric coercion</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="9">Done</resolution>
                                        <assignee username="geert.bosch@mongodb.com">Geert Bosch</assignee>
                                    <reporter username="andrew.morrow@mongodb.com">Andrew Morrow</reporter>
                        <labels>
                            <label>undefined-sanitizer</label>
                    </labels>
                <created>Thu, 14 Apr 2016 13:04:26 +0000</created>
                <updated>Wed, 28 Sep 2016 18:31:14 +0000</updated>
                            <resolved>Mon, 6 Jun 2016 20:37:17 +0000</resolved>
                                                    <fixVersion>3.3.5</fixVersion>
                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1285647" author="geert.bosch" created="Mon, 6 Jun 2016 20:37:17 +0000"  >&lt;p&gt;This is solved by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19735&quot; title=&quot;Add aggregation support for experimental decimal data type&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19735&quot;&gt;&lt;del&gt;SERVER-19735&lt;/del&gt;&lt;/a&gt;. Aggregations will no longer overflow or wrap around, but instead compute the accurate result and return a double precision floating point value if the number is out of range for a 64-bit integer.&lt;/p&gt;</comment>
                            <comment id="1237099" author="xgen-internal-githook" created="Fri, 15 Apr 2016 14:10:33 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-16221&quot; title=&quot;Support server builds under the undefined behavior sanitizer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-16221&quot;&gt;&lt;del&gt;SERVER-16221&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-23713&quot; title=&quot;Aggregation numeric ops rely on undefined signed overflow and numeric coercion&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-23713&quot;&gt;&lt;del&gt;SERVER-23713&lt;/del&gt;&lt;/a&gt; Blacklist subset of aggregation that has numeric UB&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5b177d096afbf77d322cbdbba5b9b5db075ca92c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5b177d096afbf77d322cbdbba5b9b5db075ca92c&lt;/a&gt;&lt;/p&gt;</comment>
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