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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-6053] query safety with PageFaultException</title>
                <link>https://jira.mongodb.org/browse/SERVER-6053</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="40901">SERVER-6053</key>
            <summary>query safety with PageFaultException</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="eliot">Eliot Horowitz</assignee>
                                    <reporter username="eliot">Eliot Horowitz</reporter>
                        <labels>
                    </labels>
                <created>Sun, 10 Jun 2012 04:15:14 +0000</created>
                <updated>Mon, 11 Jul 2016 18:34:36 +0000</updated>
                            <resolved>Wed, 13 Jun 2012 19:23:35 +0000</resolved>
                                                    <fixVersion>2.1.2</fixVersion>
                                    <component>Networking</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="132034" author="auto" created="Wed, 13 Jun 2012 19:23:33 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2012-06-13T10:04:30-07:00&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; - make sure not to point to memory in a query Message&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4778d51c02fbbcb0d9ded0440320ac19cec156f3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4778d51c02fbbcb0d9ded0440320ac19cec156f3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="132033" author="eliot" created="Wed, 13 Jun 2012 19:23:25 +0000"  >&lt;p&gt;@aaron&lt;/p&gt;

&lt;p&gt;a) not planning on reverting unless we see a specific case.  would rather move forward and make sure we&apos;re not using any memory from the Message.  did more work there&lt;br/&gt;
b) right, isn&apos;t that ok?&lt;br/&gt;
c) fixed I believe&lt;br/&gt;
d) so we don&apos;t do it after we return in case we change, so just more defensive&lt;/p&gt;</comment>
                            <comment id="130791" author="auto" created="Tue, 12 Jun 2012 05:52:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; don&apos;t allow page faults after we create a ClientCursor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d2a281541fc52b5607859ad1f0405e23031ad072&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d2a281541fc52b5607859ad1f0405e23031ad072&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="130788" author="auto" created="Tue, 12 Jun 2012 05:51:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; - don&apos;t allow page faults after we handoff buffer or ClientCursor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/aaa79d47de287720c9d55943d4c29fbef2e54d9e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/aaa79d47de287720c9d55943d4c29fbef2e54d9e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="130787" author="auto" created="Tue, 12 Jun 2012 05:51:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; handle recursive case for idhack&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/68a8f8a93c835a449206709289b4a039b022bc6a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/68a8f8a93c835a449206709289b4a039b022bc6a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="130786" author="auto" created="Tue, 12 Jun 2012 05:51:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; - start making PageFaultRetryableSection blocking tighter&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5569a64a41a0f07860acf21bf0c6c2c531de1fc3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5569a64a41a0f07860acf21bf0c6c2c531de1fc3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="129631" author="auto" created="Sun, 10 Jun 2012 05:20:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; - query pieces need to not rely on the original message buffer having the same scope they do&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/60feb24defa2cc85d82ac5e80be6bdf13521ef0b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/60feb24defa2cc85d82ac5e80be6bdf13521ef0b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="129630" author="auto" created="Sun, 10 Jun 2012 05:20:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; - make a const copier for Message, not ideal, but correct&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 1c7dca59fbfd2b2f042e2745a1ee58f2c48760d8.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/587e650de53c2e44abcf30bec38ba5e4995dda56&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/587e650de53c2e44abcf30bec38ba5e4995dda56&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="129607" author="auto" created="Sun, 10 Jun 2012 04:16:25 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6053&quot; title=&quot;query safety with PageFaultException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6053&quot;&gt;&lt;del&gt;SERVER-6053&lt;/del&gt;&lt;/a&gt; - make a const copier for Message, not ideal, but correct&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1c7dca59fbfd2b2f042e2745a1ee58f2c48760d8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1c7dca59fbfd2b2f042e2745a1ee58f2c48760d8&lt;/a&gt;&lt;/p&gt;</comment>
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