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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>
    </build-info>


<item>
            <title>[SERVER-50028] Coverity analysis defect 114771: Dereference after null check</title>
                <link>https://jira.mongodb.org/browse/SERVER-50028</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Dereference after null check&lt;/p&gt;

&lt;p&gt; Either the check against null is unnecessary, or there may be a null pointer dereference. Pointer is checked against null but then dereferenced anyway&lt;br/&gt;
/src/mongo/db/catalog/index_builds_manager.cpp:135: FORWARD_NULL 114771 Comparing &quot;coll&quot; to null implies that &quot;coll&quot; might be null.&lt;br/&gt;
/src/mongo/db/catalog/index_builds_manager.cpp:146: FORWARD_NULL 114771 Passing null pointer &quot;coll&quot; to &quot;numRecords&quot;, which dereferences it. (The dereference happens because this is a virtual function call.)&lt;/p&gt;</description>
                <environment></environment>
        <key id="1425107">SERVER-50028</key>
            <summary>Coverity analysis defect 114771: Dereference after 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="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="xgen-internal-coverity">Coverity Collector User</reporter>
                        <labels>
                            <label>coverity</label>
                    </labels>
                <created>Thu, 30 Jul 2020 20:46:30 +0000</created>
                <updated>Sun, 29 Oct 2023 22:04:57 +0000</updated>
                            <resolved>Tue, 11 Aug 2020 17:29:40 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                    <fixVersion>4.4.2</fixVersion>
                                    <component>Index Maintenance</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3380857" author="xgen-internal-githook" created="Tue, 8 Sep 2020 20:46:48 +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-50028&quot; title=&quot;Coverity analysis defect 114771: Dereference after null check&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50028&quot;&gt;&lt;del&gt;SERVER-50028&lt;/del&gt;&lt;/a&gt; remove unnecessary collection catalog lookup from IndexBuildsManager::startBuildingIndexForRecovery()&lt;/p&gt;

&lt;p&gt;(cherry picked from commit bc2128c87dca30c758b87cc7bfcdfd6ab04e8e8d)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/11f80cd66f89d7159c313495582b36ebd7e0f302&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/11f80cd66f89d7159c313495582b36ebd7e0f302&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3332512" author="xgen-internal-githook" created="Tue, 11 Aug 2020 14:40:45 +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-50028&quot; title=&quot;Coverity analysis defect 114771: Dereference after null check&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50028&quot;&gt;&lt;del&gt;SERVER-50028&lt;/del&gt;&lt;/a&gt; remove unnecessary collection catalog lookup from IndexBuildsManager::startBuildingIndexForRecovery()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bc2128c87dca30c758b87cc7bfcdfd6ab04e8e8d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bc2128c87dca30c758b87cc7bfcdfd6ab04e8e8d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3328387" author="benety.goh" created="Fri, 7 Aug 2020 18:52:27 +0000"  >&lt;p&gt;It is also not possible for rs to be null because we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b67470de7a33cae0845a0ffbc6ae9c7a01d29db5/src/mongo/db/catalog/index_builds_manager.cpp#L151&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;dereference it a few lines below to get a cursor&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="3328377" author="benety.goh" created="Fri, 7 Aug 2020 18:49:36 +0000"  >&lt;p&gt;It&apos;s not possible for &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b67470de7a33cae0845a0ffbc6ae9c7a01d29db5/src/mongo/db/catalog/index_builds_manager.cpp#L143&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;coll&lt;/a&gt; to be nullptr because the caller &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b67470de7a33cae0845a0ffbc6ae9c7a01d29db5/src/mongo/db/index_builds_coordinator.cpp#L1011&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;retrieves the NamespaceString from the Collection&lt;/a&gt;.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="687929">SERVER-39515</issuekey>
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            <issuelink>
            <issuekey id="741221">SERVER-40717</issuekey>
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