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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-29886] Hang analyzer shouldn&apos;t produce core dumps on ASan builders</title>
                <link>https://jira.mongodb.org/browse/SERVER-29886</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/google/sanitizers/wiki/AddressSanitizer#ulimit--v&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ASan uses a very large amount of virtual memory to do its bookkeeping (20TB)&lt;/a&gt;. When running the &lt;tt&gt;gcore&lt;/tt&gt; command, GDB attempts to include the shadow memory of the process causing the core dump to reach the amount of available disk space before failing.&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&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;[2017/06/18 23:02:05.552] ubuntu   29054  1.9  0.6 21476345012 188920 ?  Sl   23:01   0:00 ./mongod --setParameter enableTestCommands=1 --setParameter enableLocalhostAuthBypass=false --dbpath /data/db/job0/resmoke --nopreallocj --auth --storageEngine mmapv1 --keyFile jstests/libs/authTestsKey --port 20000&lt;/span&gt;&lt;/pre&gt;
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					&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;...&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&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;   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;[2017/06/19 01:16:11.226] ubuntu   29054  0.0  1.7 21476342668 533232 ?  tl   Jun18   0:06 ./mongod --setParameter enableTestCommands=1 --setParameter enableLocalhostAuthBypass=false --dbpath /data/db/job0/resmoke --nopreallocj --auth --storageEngine mmapv1 --keyFile jstests/libs/authTestsKey --port 20000&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;

&lt;p&gt;Based on my reading of &lt;a href=&quot;https://sourceware.org/bugzilla/show_bug.cgi?id=16092&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://sourceware.org/bugzilla/show_bug.cgi?id=16092&lt;/a&gt;, &lt;a href=&quot;https://sourceware.org/ml/gdb-patches/2015-03/msg00144.html&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://sourceware.org/ml/gdb-patches/2015-03/msg00144.html&lt;/a&gt;, and the changes in &lt;a href=&quot;https://reviews.llvm.org/D7294?id=19035&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://reviews.llvm.org/D7294?id=19035&lt;/a&gt;, I think GDB should already be respecting the &lt;tt&gt;madvise()&lt;/tt&gt; settings when it goes to take a core dump.&lt;/p&gt;

&lt;p&gt;However, until we are able to determine &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a5f0a84c79b6ce41fef33da920c62be0ecc8f07b/etc/evergreen.yml#L439&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;if there&apos;s different bits to set&lt;/a&gt; to modifies GDB&apos;s behavior, we should &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a5f0a84c79b6ce41fef33da920c62be0ecc8f07b/etc/evergreen.yml#L1331-L1332&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;run &lt;tt&gt;hang_analyzer.py&lt;/tt&gt; without specifying &lt;tt&gt;&amp;#45;c&lt;/tt&gt;&lt;/a&gt; on the following build variants that compile with &lt;tt&gt;&amp;#45;&amp;#45;sanitize=address&lt;/tt&gt;:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;ubuntu1604&amp;#45;asan&lt;/li&gt;
	&lt;li&gt;ubuntu1604&amp;#45;debug&amp;#45;asan&lt;/li&gt;
	&lt;li&gt;ubuntu1604&amp;#45;debug&amp;#45;aubsan&amp;#45;lite&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;This can be accomplished by setting a new &lt;tt&gt;hang_analyzer_dump_core=false&lt;/tt&gt; expansion on the aforementioned build variants and defaulting the expansion to true if it is unset.&lt;/p&gt;</description>
                <environment></environment>
        <key id="398899">SERVER-29886</key>
            <summary>Hang analyzer shouldn&apos;t produce core dumps on ASan builders</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="yves.duhem">Yves Duhem</assignee>
                                    <reporter username="max.hirschhorn@mongodb.com">Max Hirschhorn</reporter>
                        <labels>
                            <label>tig-hanganalyzer</label>
                    </labels>
                <created>Wed, 28 Jun 2017 14:25:01 +0000</created>
                <updated>Mon, 30 Oct 2023 23:15:39 +0000</updated>
                            <resolved>Fri, 28 Jul 2017 16:06:20 +0000</resolved>
                                                    <fixVersion>3.4.7</fixVersion>
                    <fixVersion>3.5.11</fixVersion>
                                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1634700" author="xgen-internal-githook" created="Fri, 28 Jul 2017 16:56:21 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;yves.duhem@mongodb.com&apos;, &apos;username&apos;: &apos;syev&apos;, &apos;name&apos;: &apos;Yves Duhem&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29886&quot; title=&quot;Hang analyzer shouldn&amp;#39;t produce core dumps on ASan builders&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29886&quot;&gt;&lt;del&gt;SERVER-29886&lt;/del&gt;&lt;/a&gt; Do not produce core dumps on ASan builders&lt;/p&gt;

&lt;p&gt;(cherry picked from commit d63e014e242832301fde2c9c4b1ccc04be767df2)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/144825f7bb036647bbb0cac1b0f6e1a86cacec59&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/144825f7bb036647bbb0cac1b0f6e1a86cacec59&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1634645" author="xgen-internal-githook" created="Fri, 28 Jul 2017 16:03:26 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;yves.duhem@mongodb.com&apos;, &apos;username&apos;: &apos;syev&apos;, &apos;name&apos;: &apos;Yves Duhem&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29886&quot; title=&quot;Hang analyzer shouldn&amp;#39;t produce core dumps on ASan builders&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29886&quot;&gt;&lt;del&gt;SERVER-29886&lt;/del&gt;&lt;/a&gt; Do not produce core dumps on ASan builders&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d63e014e242832301fde2c9c4b1ccc04be767df2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d63e014e242832301fde2c9c4b1ccc04be767df2&lt;/a&gt;&lt;/p&gt;</comment>
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