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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-48989] Fix use-after-free issue in document_diff_serialization_test.cpp</title>
                <link>https://jira.mongodb.org/browse/SERVER-48989</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;tt&gt;ArrayDiffBuilder::addUpdate()&lt;/tt&gt; does not take ownership of the data passed as &lt;tt&gt;BSONElement&lt;/tt&gt;, which means that the temporary objects &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d9611d27ee6611ce539e2aa2dec4c276116380d2/src/mongo/db/update/document_diff_serialization_test.cpp#L360-L364&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; gets freed after executing the line. When &lt;tt&gt;ArrayDiffBuilder&lt;/tt&gt; tries to serialize, it expects the object to be still valid. We should also change all the other functions which pass a BSONElement, and not depend on the implementation of the DiffBuilders. &lt;/p&gt;</description>
                <environment></environment>
        <key id="1384664">SERVER-48989</key>
            <summary>Fix use-after-free issue in document_diff_serialization_test.cpp</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="arun.banala@mongodb.com">Arun Banala</assignee>
                                    <reporter username="arun.banala@mongodb.com">Arun Banala</reporter>
                        <labels>
                    </labels>
                <created>Fri, 19 Jun 2020 10:16:09 +0000</created>
                <updated>Sun, 29 Oct 2023 22:06:43 +0000</updated>
                            <resolved>Fri, 19 Jun 2020 13:23:19 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3215956" author="arun.banala" created="Fri, 19 Jun 2020 14:36:20 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=acm&quot; class=&quot;user-hover&quot; rel=&quot;acm&quot;&gt;acm&lt;/a&gt; Yes, ASAN builder did catch this. I&apos;ve linked the related BF. &lt;/p&gt;</comment>
                            <comment id="3215947" author="acm" created="Fri, 19 Jun 2020 14:30:52 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=arun.banala&quot; class=&quot;user-hover&quot; rel=&quot;arun.banala&quot;&gt;arun.banala&lt;/a&gt; - Did the ASAN builder catch this? If not, do we have a theory as to why not?&lt;/p&gt;</comment>
                            <comment id="3215857" author="xgen-internal-githook" created="Fri, 19 Jun 2020 13:21:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Arun Banala&apos;, &apos;email&apos;: &apos;arun.banala@mongodb.com&apos;, &apos;username&apos;: &apos;banarun&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48989&quot; title=&quot;Fix use-after-free issue in document_diff_serialization_test.cpp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48989&quot;&gt;&lt;del&gt;SERVER-48989&lt;/del&gt;&lt;/a&gt; Fix use-after-free issue in document_diff_serialization_test.cpp&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/18fb3ae6006db222586189ee54ee80ed59c204dc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/18fb3ae6006db222586189ee54ee80ed59c204dc&lt;/a&gt;&lt;/p&gt;</comment>
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