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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>[CSHARP-980] Driver Seems to Cause AppCrash During Kerberos Auth</title>
                <link>https://jira.mongodb.org/browse/CSHARP-980</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;When attempting to auth against a &lt;tt&gt;mongod&lt;/tt&gt; with kerberos, the driver makes a call to unmanaged code which (according to WinDbg) causes Heap Corruption, which, in turn, brings down the CLR. This type of crash cannot be caught. Previous versions of the driver do not appear to have this problem.&lt;/p&gt;

&lt;p&gt;I have traced the problem to &lt;tt&gt;MongoDB.Driver.Communication.Security.Mechanisms.Sspi.SecurityContext.GetMaxTokenSize()&lt;/tt&gt;, Line 418.&lt;/p&gt;

&lt;p&gt;The faulting module shown in the crash dumps is &lt;tt&gt;ntdll.dll&lt;/tt&gt;.&lt;/p&gt;</description>
                <environment>Windows Server 2012 (DC)&lt;br/&gt;
Windows Server 2012 (MongD)</environment>
        <key id="138861">CSHARP-980</key>
            <summary>Driver Seems to Cause AppCrash During Kerberos Auth</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="craig.wilson@mongodb.com">Craig Wilson</assignee>
                                    <reporter username="peter.garafano@mongodb.com">Peter Garafano</reporter>
                        <labels>
                    </labels>
                <created>Wed, 28 May 2014 17:26:30 +0000</created>
                <updated>Sat, 2 Apr 2016 02:39:32 +0000</updated>
                            <resolved>Mon, 16 Jun 2014 14:14:03 +0000</resolved>
                                    <version>1.9</version>
                    <version>1.9.1</version>
                                    <fixVersion>1.9.2</fixVersion>
                                    <component>Security</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="622872" author="xgen-internal-githook" created="Mon, 16 Jun 2014 14:13:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;craiggwilson&apos;, u&apos;name&apos;: u&apos;Craig Wilson&apos;, u&apos;email&apos;: u&apos;craiggwilson@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-980&quot; title=&quot;Driver Seems to Cause AppCrash During Kerberos Auth&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-980&quot;&gt;&lt;del&gt;CSHARP-980&lt;/del&gt;&lt;/a&gt;:fixed issue with Kerberos corrupting managed memory.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-csharp-driver/commit/cbc44f41ab8ef1872514119f2e62eab7fe1372c4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-csharp-driver/commit/cbc44f41ab8ef1872514119f2e62eab7fe1372c4&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="622866" author="xgen-internal-githook" created="Mon, 16 Jun 2014 14:09:26 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;craiggwilson&apos;, u&apos;name&apos;: u&apos;Craig Wilson&apos;, u&apos;email&apos;: u&apos;craiggwilson@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-980&quot; title=&quot;Driver Seems to Cause AppCrash During Kerberos Auth&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-980&quot;&gt;&lt;del&gt;CSHARP-980&lt;/del&gt;&lt;/a&gt;:fixed issue with Kerberos corrupting managed memory.&lt;br/&gt;
Branch: v1.x&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-csharp-driver/commit/f40b821dae339cc31fbce22cf7529e0fca1439d3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-csharp-driver/commit/f40b821dae339cc31fbce22cf7529e0fca1439d3&lt;/a&gt;&lt;/p&gt;</comment>
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