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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-21416] AsyncResultsMerger&apos;s parameters may hold a reference to freed OperationContext</title>
                <link>https://jira.mongodb.org/browse/SERVER-21416</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The AsyncResultsMeger parameters structure has a pointer to the OperationContext, which was used to create it. However, in getMore scenarios, the getMore comes on a separate call, which has a different OperationContext and this causes use-after-free exception:&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;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;[ShardedClusterFixture:job3:mongos] ----- BEGIN BACKTRACE -----&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;[ShardedClusterFixture:job3:mongos] {&quot;backtrace&quot;:[{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;8355E2&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;8344F9&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;834878&quot;},{&quot;b&quot;:&quot;2AF8CB0FE000&quot;,&quot;o&quot;:&quot;ECA0&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;2FBFFB&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;75E6F5&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;75EFF0&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;75FDBB&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;76CB0B&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;763A32&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;7651AB&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;768B44&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;71AA73&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;771E89&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;772ADD&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;782121&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;771656&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;250AA5&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;7EEC65&quot;},{&quot;b&quot;:&quot;2AF8CB0FE000&quot;,&quot;o&quot;:&quot;683D&quot;},{&quot;b&quot;:&quot;2AF8CB31B000&quot;,&quot;o&quot;:&quot;D4FDD&quot;}],&quot;processInfo&quot;:{ &quot;mongodbVersion&quot; : &quot;3.2.0-rc2-114-g820b117&quot;, &quot;gitVersion&quot; : &quot;820b11793691ba0019767e686875444663bd2541&quot;, &quot;compiledModules&quot; : [], &quot;uname&quot; : { &quot;sysname&quot; : &quot;Linux&quot;, &quot;release&quot; : &quot;2.6.18-194.el5xen&quot;, &quot;version&quot; : &quot;#1 SMP Tue Mar 16 22:01:26 EDT 2010&quot;, &quot;machine&quot; : &quot;x86_64&quot; }, &quot;somap&quot; : [ { &quot;elfType&quot; : 2, &quot;b&quot; : &quot;400000&quot; }, { &quot;b&quot; : &quot;2AF8CA55F000&quot;, &quot;path&quot; : &quot;/lib64/librt.so.1&quot;, &quot;elfType&quot; : 3 }, { &quot;b&quot; : &quot;2AF8CA768000&quot;, &quot;path&quot; : &quot;/lib64/libdl.so.2&quot;, &quot;elfType&quot; : 3 }, { &quot;b&quot; : &quot;2AF8CA96C000&quot;, &quot;path&quot; : &quot;/usr/lib64/libstdc  .so.6&quot;, &quot;elfType&quot; : 3 }, { &quot;b&quot; : &quot;2AF8CAC6D000&quot;, &quot;path&quot; : &quot;/lib64/libm.so.6&quot;, &quot;elfType&quot; : 3 }, { &quot;b&quot; : &quot;2AF8CAEF0000&quot;, &quot;path&quot; : &quot;/lib64/libgcc_s.so.1&quot;, &quot;elfType&quot; : 3 }, { &quot;b&quot; : &quot;2AF8CB0FE000&quot;, &quot;path&quot; : &quot;/lib64/libpthread.so.0&quot;, &quot;elfType&quot; : 3 }, { &quot;b&quot; : &quot;2AF8CB31B000&quot;, &quot;path&quot; : &quot;/lib64/libc.so.6&quot;, &quot;elfType&quot; : 3 }, { &quot;b&quot; : &quot;2AF8CA341000&quot;, &quot;path&quot; : &quot;/lib64/ld-linux-x86-64.so.2&quot;, &quot;elfType&quot; : 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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::printStackTrace(std::ostream&amp;amp;) 0x32) [0xc355e2]&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;[ShardedClusterFixture:job3:mongos]  mongos( 0x8344F9) [0xc344f9]&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;[ShardedClusterFixture:job3:mongos]  mongos( 0x834878) [0xc34878]&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;[ShardedClusterFixture:job3:mongos]  libpthread.so.0( 0xECA0) [0x2af8cb10cca0]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::RemoteCommandTargeter::selectFindHostMaxWaitTime(mongo::OperationContext*) 0xB) [0x6fbffb]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::AsyncResultsMerger::RemoteCursorData::resolveShardIdToHostAndPort(mongo::OperationContext*, mongo::ReadPreferenceSetting const&amp;amp;) 0x95) [0xb5e6f5]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::AsyncResultsMerger::askForNextBatch_inlock(unsigned long) 0x80) [0xb5eff0]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::AsyncResultsMerger::nextEvent() 0x1AB) [0xb5fdbb]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::RouterStageMerge::next() 0x4B) [0xb6cb0b]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::ClusterClientCursorImpl::next() 0x132) [0xb63a32]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::ClusterCursorManager::PinnedCursor::next() 0x1B) [0xb651ab]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::ClusterFind::runGetMore(mongo::OperationContext*, mongo::GetMoreRequest const&amp;amp;) 0x224) [0xb68b44]&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;[ShardedClusterFixture:job3:mongos]  mongos( 0x71AA73) [0xb1aa73]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::Command::execCommandClientBasic(mongo::OperationContext*, mongo::Command*, mongo::ClientBasic&amp;amp;, int, char const*, mongo::BSONObj&amp;amp;, mongo::BSONObjBuilder&amp;amp;) 0x559) [0xb71e89]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::Command::runAgainstRegistered(mongo::OperationContext*, char const*, mongo::BSONObj&amp;amp;, mongo::BSONObjBuilder&amp;amp;, int) 0x2ED) [0xb72add]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::Strategy::clientCommandOp(mongo::OperationContext*, mongo::Request&amp;amp;) 0x1B1) [0xb82121]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::Request::process(mongo::OperationContext*, int) 0x866) [0xb71656]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::ShardedMessageHandler::process(mongo::Message&amp;amp;, mongo::AbstractMessagingPort*) 0x65) [0x650aa5]&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;[ShardedClusterFixture:job3:mongos]  mongos(mongo::PortMessageServer::handleIncomingMsg(void*) 0x265) [0xbeec65]&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;[ShardedClusterFixture:job3:mongos]  libpthread.so.0( 0x683D) [0x2af8cb10483d]&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;[ShardedClusterFixture:job3:mongos]  libc.so.6(clone 0x6D) [0x2af8cb3effdd]&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;[ShardedClusterFixture:job3:mongos] -----  END BACKTRACE  -----&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="238937">SERVER-21416</key>
            <summary>AsyncResultsMerger&apos;s parameters may hold a reference to freed OperationContext</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Wed, 11 Nov 2015 21:43:03 +0000</created>
                <updated>Tue, 17 Nov 2015 18:34:37 +0000</updated>
                            <resolved>Thu, 12 Nov 2015 18:33:23 +0000</resolved>
                                    <version>3.2.0-rc3</version>
                                    <fixVersion>3.2.0-rc3</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1086946" author="xgen-internal-githook" created="Thu, 12 Nov 2015 18:22:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dstorch&apos;, u&apos;name&apos;: u&apos;David Storch&apos;, u&apos;email&apos;: u&apos;david.storch@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21416&quot; title=&quot;AsyncResultsMerger&amp;#39;s parameters may hold a reference to freed OperationContext&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21416&quot;&gt;&lt;del&gt;SERVER-21416&lt;/del&gt;&lt;/a&gt; remove OperationContext pointer from AsyncResultsMerger&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3b60c3ea6ab9f351cf48200c809959513b393fb8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3b60c3ea6ab9f351cf48200c809959513b393fb8&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1086240" author="kaloian.manassiev" created="Thu, 12 Nov 2015 00:02:41 +0000"  >&lt;p&gt;We should certainly add some invariants. However, having a dangling OperationContext pointer in the AsyncResultsMerger is a definite no-no. Having the OperationContext be passed explicitly both makes the code easier to read and removes any ambiguity of what state can be accessed when.&lt;/p&gt;</comment>
                            <comment id="1086217" author="david.storch" created="Wed, 11 Nov 2015 23:30:55 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kaloian.manassiev&quot; class=&quot;user-hover&quot; rel=&quot;kaloian.manassiev&quot;&gt;kaloian.manassiev&lt;/a&gt;, as we discussed, I believe there is an implicit invariant that uses of the OperationContext* inside the AsyncResultsMerger must occur while the initial find operation is still active (and hence the OperationContext is still valid). Perhaps we should resolve this ticket by adding some explicit invariants to this effect rather than removing the OperationContext pointer?&lt;/p&gt;</comment>
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