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            <title>[SERVER-51809] ReshardingRecipientServiceTest setup can access freed memory</title>
                <link>https://jira.mongodb.org/browse/SERVER-51809</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The test inherits from two different test fixtures, ServiceContextMongoDTest and CatalogCacheTestFixture. During setup of the first, the JournalFlusher background thread is started, which will asynchronously create an operation context, which &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5362f02f26313574e3aa8cadcc6fd66bc43f301b/src/mongo/db/operation_context.cpp#L78&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;takes a raw pointer to the service context&apos;s tick source&lt;/a&gt; and shortly after &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5362f02f26313574e3aa8cadcc6fd66bc43f301b/src/mongo/util/timer.cpp#L54&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;calls getTicks() on it&lt;/a&gt;. During setup of the second, the tick source of the global service context is &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5362f02f26313574e3aa8cadcc6fd66bc43f301b/src/mongo/s/sharding_router_test_fixture.cpp#L103&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;set to a mock tick source&lt;/a&gt;, which triggers destruction of the original tick source and can lead the JournalFlusher to access freed memory.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1522524">SERVER-51809</key>
            <summary>ReshardingRecipientServiceTest setup can access freed memory</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="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Thu, 22 Oct 2020 14:23:06 +0000</created>
                <updated>Sun, 29 Oct 2023 22:01:36 +0000</updated>
                            <resolved>Wed, 25 Nov 2020 21:54:07 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3505983" author="xgen-internal-githook" created="Wed, 25 Nov 2020 21:19:13 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jack Mulrow&apos;, &apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;, &apos;username&apos;: &apos;jsmulrow&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-51809&quot; title=&quot;ReshardingRecipientServiceTest setup can access freed memory&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-51809&quot;&gt;&lt;del&gt;SERVER-51809&lt;/del&gt;&lt;/a&gt; Change inheritance order for ReshardingRecipientServiceTest&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a194505325087b1e841fdee55c51312a042ce9d2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a194505325087b1e841fdee55c51312a042ce9d2&lt;/a&gt;&lt;/p&gt;</comment>
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