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            <title>[SERVER-2557] in mmap_posix, failed map() followed by close() may result in attempt to close an invalid handle</title>
                <link>https://jira.mongodb.org/browse/SERVER-2557</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In MemoryMappedFile::map(), fd is assigned to ::open() but is not reset to zero if ::open() fails.  This can result in an attempt to close an invalid file handle in MemoryMappedFile::close().  Not necessarily a problem, but if we are doing any syscall auditing or if we check the return value of ::close at some point (which wouldn&apos;t be a bad idea) we will notice failures.&lt;/p&gt;</description>
                <environment></environment>
        <key id="14741">SERVER-2557</key>
            <summary>in mmap_posix, failed map() followed by close() may result in attempt to close an invalid handle</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="mathias@mongodb.com">Mathias Stearn</assignee>
                                    <reporter username="aaron">Aaron Staple</reporter>
                        <labels>
                    </labels>
                <created>Tue, 15 Feb 2011 19:29:41 +0000</created>
                <updated>Tue, 12 Jul 2016 00:19:13 +0000</updated>
                            <resolved>Thu, 3 Mar 2011 00:01:56 +0000</resolved>
                                                    <fixVersion>1.9.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="25114" author="auto" created="Wed, 2 Mar 2011 23:59:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: Return MemoryMappedFile to unopened state if open fails &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2557&quot; title=&quot;in mmap_posix, failed map() followed by close() may result in attempt to close an invalid handle&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2557&quot;&gt;&lt;del&gt;SERVER-2557&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/79c994ddd814e7ebed53c3b600e2b268cf36fbec&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/79c994ddd814e7ebed53c3b600e2b268cf36fbec&lt;/a&gt;&lt;/p&gt;</comment>
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