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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-21121] Coverity analysis defect 76649: Division or modulo by zero</title>
                <link>https://jira.mongodb.org/browse/SERVER-21121</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Division or modulo by zero results in undefined behavior.&lt;/p&gt;

&lt;p&gt;Defect 76649 (STATIC_C)&lt;br/&gt;
  Checker DIVIDE_BY_ZERO (subcategory none)&lt;br/&gt;
  File:  &lt;tt&gt;/src/mongo/db/storage/mmap_v1/btree/btree_logic.cpp&lt;/tt&gt;&lt;br/&gt;
  Function &lt;tt&gt;mongo::BtreeLogic&amp;lt;mongo::BtreeLayoutV1&amp;gt;::getRandomEntry(mongo::OperationContext *) const&lt;/tt&gt;&lt;/p&gt;

&lt;p&gt;  File:  &lt;tt&gt;/src/mongo/db/storage/mmap_v1/btree/btree_logic.cpp&lt;/tt&gt;&lt;br/&gt;
  Function &lt;tt&gt;mongo::BtreeLogic&amp;lt;mongo::BtreeLayoutV0&amp;gt;::getRandomEntry(mongo::OperationContext *) const&lt;/tt&gt;&lt;/p&gt;
</description>
                <environment></environment>
        <key id="236107">SERVER-21121</key>
            <summary>Coverity analysis defect 76649: Division or modulo by zero</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="charlie.swanson@mongodb.com">Charlie Swanson</assignee>
                                    <reporter username="xgen-internal-coverity">Coverity Collector User</reporter>
                        <labels>
                            <label>coverity</label>
                    </labels>
                <created>Mon, 26 Oct 2015 14:08:06 +0000</created>
                <updated>Thu, 29 Oct 2015 13:03:46 +0000</updated>
                            <resolved>Thu, 29 Oct 2015 13:03:46 +0000</resolved>
                                                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1073897" author="charlie.swanson" created="Thu, 29 Oct 2015 13:03:46 +0000"  >&lt;p&gt;See comment on the coverity issue. I believe this is a false positive.&lt;/p&gt;</comment>
                            <comment id="1070314" author="milkie" created="Mon, 26 Oct 2015 14:11:03 +0000"  >&lt;p&gt;Feel free to mark this as Intentional, as it seems that the code logic prevents nKeysInLevel begin and end from being the same, but it&apos;s subtle.&lt;/p&gt;</comment>
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