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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-15639] Text queries can return incorrect results and leak memory when multiple predicates given on same text index prefix field</title>
                <link>https://jira.mongodb.org/browse/SERVER-15639</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The query subsystem does not correctly handle text queries against a compound text index where multiple equality predicates are given on the same text index prefix field.&lt;/p&gt;

&lt;p&gt;For example, the query {$and:[{a:1},{a:2},{$text:{$search:&quot;foo&quot;}}]} will erroneously return the document {a:2,b:foo} if a query plan over an index with key pattern {a:1,b:&quot;text&quot;} is chosen.&lt;/p&gt;

&lt;p&gt;Original description:&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;In QueryPlannerAccess::finishTextNode a vector of MatchExpression*&apos;s called &apos;prefixExpr&apos;s is populated in a loop. The populated vector is intended to own all of the MatchExpressions. However, it is possible in the loop body for the same index to be written more than once. If this occurs, the object originally owned by that slot in the vector will be leaked.&lt;/p&gt;&lt;/blockquote&gt;</description>
                <environment></environment>
        <key id="163424">SERVER-15639</key>
            <summary>Text queries can return incorrect results and leak memory when multiple predicates given on same text index prefix field</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="rassi">J Rassi</assignee>
                                    <reporter username="andrew.morrow@mongodb.com">Andrew Morrow</reporter>
                        <labels>
                            <label>28qa</label>
                            <label>address-sanitizer</label>
                            <label>leak-sanitizer</label>
                            <label>memory-leak</label>
                    </labels>
                <created>Tue, 14 Oct 2014 00:00:23 +0000</created>
                <updated>Wed, 11 Mar 2015 17:01:39 +0000</updated>
                            <resolved>Thu, 16 Oct 2014 15:09:16 +0000</resolved>
                                    <version>2.6.0</version>
                                    <fixVersion>2.6.6</fixVersion>
                    <fixVersion>2.7.8</fixVersion>
                                    <component>Internal Code</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="770874" author="xgen-internal-githook" created="Mon, 24 Nov 2014 04:19:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;jrassi&apos;, u&apos;name&apos;: u&apos;Jason Rassi&apos;, u&apos;email&apos;: u&apos;rassi@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15639&quot; title=&quot;Text queries can return incorrect results and leak memory when multiple predicates given on same text index prefix field&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15639&quot;&gt;&lt;del&gt;SERVER-15639&lt;/del&gt;&lt;/a&gt; Correctly handle &amp;gt;1 pred on same text index prefix field&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 1579d801925ce9b92de088ca766483540cf6e741)&lt;br/&gt;
Branch: v2.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fff8f3297645b6923d881d67a6d1008fe905543a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fff8f3297645b6923d881d67a6d1008fe905543a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="742833" author="xgen-internal-githook" created="Thu, 16 Oct 2014 15:08:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;jrassi&apos;, u&apos;name&apos;: u&apos;Jason Rassi&apos;, u&apos;email&apos;: u&apos;rassi@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15639&quot; title=&quot;Text queries can return incorrect results and leak memory when multiple predicates given on same text index prefix field&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15639&quot;&gt;&lt;del&gt;SERVER-15639&lt;/del&gt;&lt;/a&gt; Correctly handle &amp;gt;1 pred on same text index prefix field&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1579d801925ce9b92de088ca766483540cf6e741&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1579d801925ce9b92de088ca766483540cf6e741&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="179084">SERVER-16889</issuekey>
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