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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-22706] key_string_test forms invalid integer negation</title>
                <link>https://jira.mongodb.org/browse/SERVER-22706</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;See &lt;a href=&quot;https://github.com/mongodb/mongo/blob/bd2c33b3c6000b92aa42bd285654d8e27bcd3af7/src/mongo/db/storage/key_string_test.cpp#L246&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/bd2c33b3c6000b92aa42bd285654d8e27bcd3af7/src/mongo/db/storage/key_string_test.cpp#L246&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;This results in the following error under UBSAN:&lt;/p&gt;

&lt;p/&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;rc/mongo/db/storage/key_string_test.cpp:246:9: runtime error: negation of -2147483648 cannot be represented in type &apos;int&apos;; cast to an unsigned type to negate this value to itself&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #0 0x59d660 in UnitTest__KeyStringTest__LotsOfNumbers1::_doTest() /home/andrew/Documents/10gen/dev/src/mongodb/src/mongo/db/storage/key_string_test.cpp:246:9&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #1 0x61c208 in mongo::unittest::Test::run() /home/andrew/Documents/10gen/dev/src/mongodb/src/mongo/unittest/unittest.cpp:147:9&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #2 0x5c5933 in void mongo::unittest::Suite::runTestObject&amp;lt;UnitTest__KeyStringTest__LotsOfNumbers1&amp;gt;() /home/andrew/Documents/10gen/dev/src/mongodb/src/mongo/unittest/unittest.h:405:9&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #3 0x61d99d in mongo::unittest::TestHolder::run() const /home/andrew/Documents/10gen/dev/src/mongodb/src/mongo/unittest/unittest.h:257:9&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #4 0x61d99d in mongo::unittest::Suite::run(std::string const&amp;amp;, int) /home/andrew/Documents/10gen/dev/src/mongodb/src/mongo/unittest/unittest.cpp:263&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #5 0x61ee67 in mongo::unittest::Suite::run(std::vector&amp;lt;std::string, std::allocator&amp;lt;std::string&amp;gt; &amp;gt; const&amp;amp;, std::string const&amp;amp;, int) /home/andrew/Documents/10gen/dev/src/mongodb/src/mongo/unittest/unittest.cpp:321:27&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #7 0x7faa2b62ba3f in __libc_start_main /build/buildd/glibc-2.21/csu/libc-start.c:289&lt;/span&gt;&lt;/pre&gt;
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		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    #8 0x56b9e8 in _start (/home/andrew/Documents/10gen/dev/src/mongodb/build/optdebug/mongo/db/storage/storage_key_string_test+0x56b9e8)&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;</description>
                <environment></environment>
        <key id="266261">SERVER-22706</key>
            <summary>key_string_test forms invalid integer negation</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="andrew.morrow@mongodb.com">Andrew Morrow</assignee>
                                    <reporter username="andrew.morrow@mongodb.com">Andrew Morrow</reporter>
                        <labels>
                            <label>neweng</label>
                            <label>undefined-sanitizer</label>
                    </labels>
                <created>Wed, 17 Feb 2016 20:47:34 +0000</created>
                <updated>Tue, 26 Apr 2016 23:11:56 +0000</updated>
                            <resolved>Fri, 15 Apr 2016 14:12:41 +0000</resolved>
                                                    <fixVersion>3.3.5</fixVersion>
                                    <component>Index Maintenance</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1237093" author="xgen-internal-githook" created="Fri, 15 Apr 2016 14:10:27 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-16221&quot; title=&quot;Support server builds under the undefined behavior sanitizer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-16221&quot;&gt;&lt;del&gt;SERVER-16221&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22706&quot; title=&quot;key_string_test forms invalid integer negation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22706&quot;&gt;&lt;del&gt;SERVER-22706&lt;/del&gt;&lt;/a&gt; Don&apos;t negate integral minima in KeyString test&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0656cf72fe049204a1cc13991953cd7682411792&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0656cf72fe049204a1cc13991953cd7682411792&lt;/a&gt;&lt;/p&gt;</comment>
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