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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-56354] Investigate memory leaks in TenantMigrationDonorAccessBlocker</title>
                <link>https://jira.mongodb.org/browse/SERVER-56354</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Several memory leaks were caught in the &lt;tt&gt;CleanEveryN&lt;/tt&gt; hook after shutting down the donor primary. They seem to be related to the &lt;tt&gt;TenantMigrationDonorAccessBlocker&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;This was caught while running patch builds to enable the tenant migration stepdown passthrough.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="1691623">SERVER-56354</key>
            <summary>Investigate memory leaks in TenantMigrationDonorAccessBlocker</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="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="pavithra.vetriselvan@mongodb.com">Pavithra Vetriselvan</reporter>
                        <labels>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Mon, 26 Apr 2021 16:39:13 +0000</created>
                <updated>Sun, 29 Oct 2023 21:54:30 +0000</updated>
                            <resolved>Wed, 5 May 2021 17:29:48 +0000</resolved>
                                                    <fixVersion>4.9.0-rc1</fixVersion>
                    <fixVersion>5.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="3815932" author="xgen-internal-githook" created="Sun, 23 May 2021 06:57:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-56354&quot; title=&quot;Investigate memory leaks in TenantMigrationDonorAccessBlocker&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-56354&quot;&gt;&lt;del&gt;SERVER-56354&lt;/del&gt;&lt;/a&gt; Remove extra argument for startMigration() function call&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7430d4381777380936d5ac17342dd85be488ef8e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7430d4381777380936d5ac17342dd85be488ef8e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3757141" author="xgen-internal-githook" created="Wed, 5 May 2021 18:15:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-56354&quot; title=&quot;Investigate memory leaks in TenantMigrationDonorAccessBlocker&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-56354&quot;&gt;&lt;del&gt;SERVER-56354&lt;/del&gt;&lt;/a&gt; Ensure that the future chain in checkIfCanReadOrBlock gets interrupted when the command&apos;s opCtx is marked as killed&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 589020d961aadba1d38ea88d0b3f4b1878bf3be0)&lt;br/&gt;
Branch: v4.9&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/202937fa78084e21b17af47d1dc2af1b9be5a38f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/202937fa78084e21b17af47d1dc2af1b9be5a38f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3756838" author="xgen-internal-githook" created="Wed, 5 May 2021 16:35:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-56354&quot; title=&quot;Investigate memory leaks in TenantMigrationDonorAccessBlocker&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-56354&quot;&gt;&lt;del&gt;SERVER-56354&lt;/del&gt;&lt;/a&gt; Ensure that the future chain in checkIfCanReadOrBlock gets interrupted when the command&apos;s opCtx is marked as killed&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/589020d961aadba1d38ea88d0b3f4b1878bf3be0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/589020d961aadba1d38ea88d0b3f4b1878bf3be0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3745432" author="jack.mulrow" created="Wed, 28 Apr 2021 21:52:09 +0000"  >&lt;p&gt;From a first look, I think this has to do with the callback for the future returned by&#160;tenant_migration_access_blocker_util::checkIfCanReadOrBlock() and the lifetime management for the&#160;TenantMigrationAccessBlockerExecutor decoration executor that it runs on. That executor has an atypical lifetime where the decoration &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d37ee5b24d620a4a8c451dc8222416ff0aeda817/src/mongo/db/repl/tenant_migration_access_blocker_executor.h#L57&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;holds a weak pointer to it&lt;/a&gt;&#160;and every access blocker &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d37ee5b24d620a4a8c451dc8222416ff0aeda817/src/mongo/db/repl/tenant_migration_donor_access_blocker.h#L331&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;holds it by shared pointer&lt;/a&gt;, creating it on construction if the executor didn&apos;t already exist. The callback returned by that util method &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d37ee5b24d620a4a8c451dc8222416ff0aeda817/src/mongo/db/repl/tenant_migration_access_blocker_util.cpp#L188&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;captures access blockers by shared pointer&lt;/a&gt;, so the executor won&apos;t be destructed and shutdown until the callback runs, which I think never happened in this failure.&lt;/p&gt;

&lt;p&gt;Based on the logs, it looks like the CleanEveryN hook tried to shut down a server and while shutting down, the server&apos;s ServiceEntryPointImpl timed out waiting for its active sessions to drain. My guess is at least one of those sessions represented a command that was waiting on a tenant migration to complete, which prevented the callback in the&#160;checkIfCanReadOrBlock() future chain from running, so when the process finished shutting down the memory allocated for that callback was considered leaked.&lt;/p&gt;

&lt;p&gt;From the logs:&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;
		&lt;tbody &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-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;// Node0 starts to shut down.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0] | 2021-04-26T15:32:37.473+00:00 I  CONTROL  23377   [SignalHandler] &quot;Received signal&quot;,&quot;attr&quot;:{&quot;signal&quot;:15,&quot;error&quot;:&quot;Terminated&quot;}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;
		&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;   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;// Shutdown continuous without shutting down all worker threads.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0] | 2021-04-26T15:32:48.487+00:00 I  NETWORK  22947   [SignalHandler] &quot;shutdown: exhausted grace period active workers to drain; continuing with shutdown...&quot;,&quot;attr&quot;:{&quot;workers&quot;:1}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0] | 2021-04-26T15:32:48.487+00:00 I  NETWORK  4907200 [SignalHandler] &quot;Failed to shutdown ServiceExecutorSynchronous&quot;,&quot;attr&quot;:{&quot;error&quot;:{&quot;code&quot;:262,&quot;codeName&quot;:&quot;ExceededTimeLimit&quot;,&quot;errmsg&quot;:&quot;passthrough executor couldn&apos;t shutdown all worker threads within time limit.&quot;}}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;
		&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;   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;// After shutdown finishes, leaks are detected involving a donor access blocker and the canRead future.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0] =================================================================&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0] ==108062==ERROR: LeakSanitizer: detected memory leaks&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;
		&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;   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;[j0:rs0:n0] Indirect leak of 408 byte(s) in 1 object(s) allocated from:&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #0 0x556204f00a72 in operator new(unsigned long) /data/mci/2b29d50424b17e9bd64c23288b01e972/toolchain-builder/tmp/build-llvm.sh-h2X/llvm/projects/compiler-rt/lib/asan/asan_new_delete.cc:106:3&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #1 0x556208f94587 in __gnu_cxx::new_allocator&amp;lt;std::_Sp_counted_ptr_inplace&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, (__gnu_cxx::_Lock_policy)2&amp;gt; &amp;gt;::allocate(unsigned long, void const*) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/ext/new_allocator.h:111:27&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&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;[j0:rs0:n0]     #2 0x556208f94587 in std::allocator_traits&amp;lt;std::allocator&amp;lt;std::_Sp_counted_ptr_inplace&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, (__gnu_cxx::_Lock_policy)2&amp;gt; &amp;gt; &amp;gt;::allocate(std::allocator&amp;lt;std::_Sp_counted_ptr_inplace&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, (__gnu_cxx::_Lock_policy)2&amp;gt; &amp;gt;&amp;amp;, unsigned long) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/bits/alloc_traits.h:436&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;   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;[j0:rs0:n0]     #3 0x556208f94587 in std::__allocated_ptr&amp;lt;std::allocator&amp;lt;std::_Sp_counted_ptr_inplace&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, (__gnu_cxx::_Lock_policy)2&amp;gt; &amp;gt; &amp;gt; std::__allocate_guarded&amp;lt;std::allocator&amp;lt;std::_Sp_counted_ptr_inplace&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, (__gnu_cxx::_Lock_policy)2&amp;gt; &amp;gt; &amp;gt;(std::allocator&amp;lt;std::_Sp_counted_ptr_inplace&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, (__gnu_cxx::_Lock_policy)2&amp;gt; &amp;gt;&amp;amp;) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/bits/allocated_ptr.h:97&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;[j0:rs0:n0]     #4 0x556208f94587 in std::__shared_count&amp;lt;(__gnu_cxx::_Lock_policy)2&amp;gt;::__shared_count&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, mongo::ServiceContext*, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt; &amp;gt;(mongo::TenantMigrationDonorAccessBlocker*&amp;amp;, std::_Sp_alloc_shared_tag&amp;lt;std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt; &amp;gt;, mongo::ServiceContext*&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/bits/shared_ptr_base.h:675&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #5 0x556208f94587 in std::__shared_ptr&amp;lt;mongo::TenantMigrationDonorAccessBlocker, (__gnu_cxx::_Lock_policy)2&amp;gt;::__shared_ptr&amp;lt;std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, mongo::ServiceContext*, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt; &amp;gt;(std::_Sp_alloc_shared_tag&amp;lt;std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt; &amp;gt;, mongo::ServiceContext*&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/bits/shared_ptr_base.h:1342&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #6 0x556208faa0ba in std::shared_ptr&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;::shared_ptr&amp;lt;std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, mongo::ServiceContext*, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt; &amp;gt;(std::_Sp_alloc_shared_tag&amp;lt;std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt; &amp;gt;, mongo::ServiceContext*&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/bits/shared_ptr.h:359:4&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #7 0x556208faa0ba in std::shared_ptr&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt; std::allocate_shared&amp;lt;mongo::TenantMigrationDonorAccessBlocker, std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt;, mongo::ServiceContext*, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt; &amp;gt;(std::allocator&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt; const&amp;amp;, mongo::ServiceContext*&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/bits/shared_ptr.h:705&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #8 0x556208faa0ba in std::shared_ptr&amp;lt;mongo::TenantMigrationDonorAccessBlocker&amp;gt; std::make_shared&amp;lt;mongo::TenantMigrationDonorAccessBlocker, mongo::ServiceContext*, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt; &amp;gt;(mongo::ServiceContext*&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;, std::__cxx11::basic_string&amp;lt;char, std::char_traits&amp;lt;char&amp;gt;, std::allocator&amp;lt;char&amp;gt; &amp;gt;&amp;amp;&amp;amp;) /opt/mongodbtoolchain/revisions/32eb70c47bd9e9759dd05654843feb80461aaef3/stow/gcc-v3.pgi/lib/gcc/x86_64-mongodb-linux/8.3.0/../../../../include/c++/8.3.0/bits/shared_ptr.h:721&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #9 0x556208faa0ba in mongo::repl::(anonymous namespace)::onTransitionToAbortingIndexBuilds(mongo::OperationContext*, mongo::TenantMigrationDonorDocument const&amp;amp;) /data/mci/e8e785cb782524c554ebc2073515df69/src/src/mongo/db/repl/tenant_migration_donor_op_observer.cpp:56&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #10 0x556208faa0ba in mongo::repl::TenantMigrationDonorOpObserver::onInserts(mongo::OperationContext*, mongo::NamespaceString const&amp;amp;, boost::optional&amp;lt;mongo::UUID&amp;gt;, __gnu_cxx::__normal_iterator&amp;lt;mongo::InsertStatement const*, std::vector&amp;lt;mongo::InsertStatement, std::allocator&amp;lt;mongo::InsertStatement&amp;gt; &amp;gt; &amp;gt;, __gnu_cxx::__normal_iterator&amp;lt;mongo::InsertStatement const*, std::vector&amp;lt;mongo::InsertStatement, std::allocator&amp;lt;mongo::InsertStatement&amp;gt; &amp;gt; &amp;gt;, bool) /data/mci/e8e785cb782524c554ebc2073515df69/src/src/mongo/db/repl/tenant_migration_donor_op_observer.cpp:185&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;
		&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;   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;[j0:rs0:n0] Indirect leak of 296 byte(s) in 1 object(s) allocated from:&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #0 0x556204f00a72 in operator new(unsigned long) /data/mci/2b29d50424b17e9bd64c23288b01e972/toolchain-builder/tmp/build-llvm.sh-h2X/llvm/projects/compiler-rt/lib/asan/asan_new_delete.cc:106:3&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #1 0x5562061dbd62 in boost::intrusive_ptr&amp;lt;mongo::future_details::SharedStateImpl&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt; &amp;gt; mongo::make_intrusive&amp;lt;mongo::future_details::SharedStateImpl&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt;, void&amp;gt;() /data/mci/e95cf945ee841160d390a38753fd1a5d/src/src/mongo/util/intrusive_counter.h:100:16&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #2 0x5562061dbd62 in mongo::Promise&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt;::makePromiseFutureImpl()::PromiseAndFuture::PromiseAndFuture() /data/mci/e95cf945ee841160d390a38753fd1a5d/src/src/mongo/util/future.h:867&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #3 0x5562061dbd62 in mongo::Promise&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt;::makePromiseFutureImpl() /data/mci/e95cf945ee841160d390a38753fd1a5d/src/src/mongo/util/future.h:870&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #4 0x556208f7c1d4 in auto mongo::makePromiseFuture&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt;() /data/mci/48766b764fac89573657919c5b817f31/src/src/mongo/util/future.h:1157:12&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #5 0x556208f7c1d4 in mongo::SemiFuture&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt; mongo::future_util::withCancellation&amp;lt;mongo::SemiFuture&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt;, std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt;(mongo::SemiFuture&amp;lt;std::vector&amp;lt;mongo::Status, std::allocator&amp;lt;mongo::Status&amp;gt; &amp;gt; &amp;gt;&amp;amp;&amp;amp;, mongo::CancellationToken const&amp;amp;) /data/mci/48766b764fac89573657919c5b817f31/src/src/mongo/util/future_util.h:671&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #6 0x556208f6284c in mongo::tenant_migration_access_blocker::checkIfCanReadOrBlock(mongo::OperationContext*, mongo::OpMsgRequest const&amp;amp;) /data/mci/48766b764fac89573657919c5b817f31/src/src/mongo/db/repl/tenant_migration_access_blocker_util.cpp:186:12&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;
		&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;   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;// Other leaks related to the access blocker or that callback.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;[j0:rs0:n0]     #4 0x556208f9660c in mongo::RepeatableSharedPromise&amp;lt;void&amp;gt;::RepeatableSharedPromise() /data/mci/48766b764fac89573657919c5b817f31/src/src/mongo/db/repl/tenant_migration_donor_access_blocker.h:56&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&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;   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;
		&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;[j0:rs0:n0]     #8 0x556208f5f6c4 in mongo::tenant_migration_access_blocker::checkIfCanReadOrBlock(mongo::OperationContext*, mongo::OpMsgRequest const&amp;amp;) /data/mci/48766b764fac89573657919c5b817f31/src/src/mongo/db/repl/tenant_migration_access_blocker_util.cpp:146&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;If this is true, I don&apos;t think this leak represents a serious problem, since it should only happen on shutdown with an active migration, which should be rare, and the leaked memory should be immediately reclaimed by the OS when shutdown finishes. We&apos;d still want to fix this to avoid BFs though. One way could be to change shutting down the access blocker registry to also shut down the access blocker executor, if it exists.&lt;/p&gt;

&lt;p&gt;We should also figure out why the callbacks weren&apos;t able to run, and if it is because of a hung migration, we should investigate how that happened. I noticed the test immediately before CleanEveryN failed timed out (or at least ran for a very long time), so maybe something went wrong there.&lt;/p&gt;</comment>
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