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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-8338] Socket library send/recv failpoints do not inhibit data transfer when activated</title>
                <link>https://jira.mongodb.org/browse/SERVER-8338</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The socket library in util/net/sock.cpp provides failpoints for calls into its send and recv methods. However, when enabled, these failpoints do not actually prevent the syscall from executing: they only cause the return value of the send or recv syscall to be ignored and force a branch into the error handling logic.&lt;/p&gt;

&lt;p&gt;This makes the failpoints potentially not useful: A test trying to use the failpoints to simulate a network partition, for instance, would see a socket error in the caller, but the intended recipient would actually see the sent data.&lt;/p&gt;

&lt;p&gt;When enabled, the socket send/recv failpoints should inhibit data transfer.&lt;/p&gt;</description>
                <environment></environment>
        <key id="63288">SERVER-8338</key>
            <summary>Socket library send/recv failpoints do not inhibit data transfer when activated</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="andrew.morrow@mongodb.com">Andrew Morrow</assignee>
                                    <reporter username="andrew.morrow@mongodb.com">Andrew Morrow</reporter>
                        <labels>
                            <label>triage</label>
                    </labels>
                <created>Fri, 25 Jan 2013 17:30:57 +0000</created>
                <updated>Mon, 11 Jul 2016 17:58:21 +0000</updated>
                            <resolved>Wed, 13 Feb 2013 16:06:35 +0000</resolved>
                                    <version>2.3.2</version>
                                    <fixVersion>2.4.0-rc1</fixVersion>
                                    <component>Internal Code</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="265195" author="auto" created="Wed, 13 Feb 2013 16:04:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-02-07T16:58:39Z&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8338&quot; title=&quot;Socket library send/recv failpoints do not inhibit data transfer when activated&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8338&quot;&gt;&lt;del&gt;SERVER-8338&lt;/del&gt;&lt;/a&gt; Inhibit data transfers when socket failpoints are enabled&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2ff5550f2a4e3cf19225cb17fdc1c88a4849b61a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2ff5550f2a4e3cf19225cb17fdc1c88a4849b61a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="260109" author="acm" created="Thu, 7 Feb 2013 16:24:13 +0000"  >&lt;p&gt;So, it is pretty clear what the correct behavior is for the send side: if you try to send, and the failpoint is enabled, you get an exception and the data is not sent.&lt;/p&gt;

&lt;p&gt;The &apos;recv&apos; side is harder, because there are two possible behaviors:&lt;/p&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Don&apos;t call recv at all and throw. This leaves any data that was actually sent to the socket queued up.&lt;/li&gt;
	&lt;li&gt;Do call recv for the requested amount, but discard the result and throw.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;It is not clear what the correct choice here is.&lt;/p&gt;</comment>
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            <issuekey id="63297">SERVER-8340</issuekey>
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