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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-9595] Another occasional segfault in mongo server</title>
                <link>https://jira.mongodb.org/browse/SERVER-9595</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt; Mon Apr 22 12:14:34 Invalid access at address: 0 from thread: conn2&lt;/p&gt;

&lt;p&gt;Mon Apr 22 12:14:34 Got signal: 11 (Segmentation fault: 11).&lt;/p&gt;

&lt;p&gt;Mon Apr 22 12:14:34 Backtrace:&lt;br/&gt;
0x107fb990b 0x107c3fbe1 0x107c3fa92 0x7fff8adcc94a 0x4000 0x107f90eea 0x107d18241 0x107d1fe22 0x107d397ab 0x107d3a5f2 0x107d3af14 0x107dfa96e 0x107dfb107 0x107db062d 0x107c493a2 0x107faff3d 0x107feafc5 0x7fff8adde7a2 0x7fff8adcb1e1 &lt;br/&gt;
 0   mongod                              0x0000000107fb990b _ZN5mongo15printStackTraceERSo + 43&lt;br/&gt;
 1   mongod                              0x0000000107c3fbe1 _ZN5mongo10abruptQuitEi + 225&lt;br/&gt;
 2   mongod                              0x0000000107c3fa92 &lt;em&gt;ZN5mongo24abruptQuitWithAddrSignalEiP9&lt;/em&gt;_siginfoPv + 242&lt;br/&gt;
 3   libsystem_c.dylib                   0x00007fff8adcc94a _sigtramp + 26&lt;br/&gt;
 4   ???                                 0x0000000000004000 0x0 + 16384&lt;br/&gt;
 5   mongod                              0x0000000107f90eea _ZN5mongo7SMScope4initEPKNS_7BSONObjE + 226&lt;br/&gt;
 6   mongod                              0x0000000107d18241 _ZN5mongo2mr5State4initEv + 245&lt;br/&gt;
 7   mongod                              0x0000000107d1fe22 _ZN5mongo2mr16MapReduceCommand3runERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb + 2314&lt;br/&gt;
 8   mongod                              0x0000000107d397ab _ZN5mongo12_execCommandEPNS_7CommandERKSsRNS_7BSONObjEiRNS_14BSONObjBuilderEb + 91&lt;br/&gt;
 9   mongod                              0x0000000107d3a5f2 _ZN5mongo11execCommandEPNS_7CommandERNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb + 2338&lt;br/&gt;
 10  mongod                              0x0000000107d3af14 _ZN5mongo12_runCommandsEPKcRNS_7BSONObjERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi + 1076&lt;br/&gt;
 11  mongod                              0x0000000107dfa96e _ZN5mongo11runCommandsEPKcRNS_7BSONObjERNS_5CurOpERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi + 46&lt;br/&gt;
 12  mongod                              0x0000000107dfb107 &lt;em&gt;ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1&lt;/em&gt; + 1447&lt;br/&gt;
 13  mongod                              0x0000000107db062d _ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE + 1309&lt;br/&gt;
 14  mongod                              0x0000000107c493a2 _ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE + 206&lt;br/&gt;
 15  mongod                              0x0000000107faff3d _ZN5mongo3pms9threadRunEPNS_13MessagingPortE + 1645&lt;br/&gt;
 16  mongod                              0x0000000107feafc5 thread_proxy + 229&lt;br/&gt;
 17  libsystem_c.dylib                   0x00007fff8adde7a2 _pthread_start + 327&lt;br/&gt;
 18  libsystem_c.dylib                   0x00007fff8adcb1e1 thread_start + 13&lt;/p&gt;</description>
                <environment>Linux Centos 6.3</environment>
        <key id="74332">SERVER-9595</key>
            <summary>Another occasional segfault in mongo server</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="3">Duplicate</resolution>
                                        <assignee username="benjamin.becker">Ben Becker</assignee>
                                    <reporter username="ihgreenman">Ian Greenhoe</reporter>
                        <labels>
                    </labels>
                <created>Mon, 6 May 2013 14:57:28 +0000</created>
                <updated>Wed, 10 Dec 2014 23:07:05 +0000</updated>
                            <resolved>Thu, 16 May 2013 19:09:19 +0000</resolved>
                                    <version>2.2.2</version>
                                                    <component>JavaScript</component>
                    <component>MapReduce</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="337345" author="benjamin.becker" created="Thu, 16 May 2013 19:09:19 +0000"  >&lt;p&gt;This appears to be due to an allocation failure; similar.  SMScope::init() calls two Converter functions which fail to check for error conditions (similar to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-9594&quot; title=&quot;Occasional segfault in server&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-9594&quot;&gt;&lt;del&gt;SERVER-9594&lt;/del&gt;&lt;/a&gt;), but it&apos;s not clear which one caused this failure.&lt;/p&gt;</comment>
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                            <customfieldvalue>&lt;p&gt;This one seems similar to, but not the same as &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-9594&quot; title=&quot;Occasional segfault in server&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-9594&quot;&gt;&lt;del&gt;SERVER-9594&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Server under heavy load, with a complex M/R function.&lt;/p&gt;

&lt;p&gt;I can&apos;t give more precise STR then that, unfortunately, as we have multiple complex M/R functions. When we have more precise information, we will attach it to this bug.&lt;/p&gt;</customfieldvalue>

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