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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <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-61271] Coverity analysis defect 121112: Dereference before null check</title>
                <link>https://jira.mongodb.org/browse/SERVER-61271</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Dereference before null check&lt;/p&gt;

&lt;p&gt; There may be a null pointer dereference, or else the comparison against null is unnecessary. All paths that lead to this null pointer comparison already dereference the pointer earlier&lt;br/&gt;
/src/mongo/db/query/sbe_runtime_planner.cpp:123: REVERSE_INULL 121112 Null-checking &quot;candidate&quot; suggests that it may be null, but it has already been dereferenced on all paths leading to the check.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1919008">SERVER-61271</key>
            <summary>Coverity analysis defect 121112: Dereference before null 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="justin.seyster@mongodb.com">Justin Seyster</assignee>
                                    <reporter username="xgen-internal-coverity">Coverity Collector User</reporter>
                        <labels>
                            <label>coverity</label>
                    </labels>
                <created>Fri, 5 Nov 2021 13:45:11 +0000</created>
                <updated>Sun, 29 Oct 2023 21:46:26 +0000</updated>
                            <resolved>Tue, 16 Nov 2021 01:28:08 +0000</resolved>
                                                    <fixVersion>5.2.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4190686" author="xgen-internal-githook" created="Mon, 15 Nov 2021 23:52:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Justin Seyster&apos;, &apos;email&apos;: &apos;justin.seyster@mongodb.com&apos;, &apos;username&apos;: &apos;jseyster&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61271&quot; title=&quot;Coverity analysis defect 121112: Dereference before null check&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61271&quot;&gt;&lt;del&gt;SERVER-61271&lt;/del&gt;&lt;/a&gt; Correct return value from executeCandidateTrial&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b4507ea9547281e3231bfbe9e123c1473e500ed1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b4507ea9547281e3231bfbe9e123c1473e500ed1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4178042" author="JIRAUSER1259232" created="Tue, 9 Nov 2021 16:42:56 +0000"  >&lt;p&gt;Looks like this was caught for the brief moment this change was in master:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/10gen/mongo/commits/master/src/mongo/db/query/sbe_runtime_planner.cpp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/commits/master/src/mongo/db/query/sbe_runtime_planner.cpp&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=justin.seyster&quot; class=&quot;user-hover&quot; rel=&quot;justin.seyster&quot;&gt;justin.seyster&lt;/a&gt;&#160;could you please&#160;close this coverity defect accordingly, or if the fix is to be merged again, please make sure an explicit return value is used.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="4177498" author="kyle.suarez" created="Tue, 9 Nov 2021 14:42:36 +0000"  >&lt;p&gt;Agreed that the return value here is strange. I suppose a non-null pointer will be converted to &lt;tt&gt;true&lt;/tt&gt; but it&apos;s better to just return that directly, if that&apos;s the intention.&lt;/p&gt;</comment>
                            <comment id="4171470" author="milkie" created="Fri, 5 Nov 2021 13:53:10 +0000"  >&lt;p&gt;(This isn&apos;t actually a null-check; I think it&apos;s just a mistake that we&apos;re returning a pointer for a function that returns a bool?)&lt;/p&gt;</comment>
                    </comments>
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                            <attachment id="344768" name="Screen Shot 2021-11-09 at 9.40.50 AM.png" size="95314" author="kyle.suarez@mongodb.com" created="Tue, 9 Nov 2021 14:41:23 +0000"/>
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