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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-62333] MurmurHash3 getblock/putblock can overflow</title>
                <link>https://jira.mongodb.org/browse/SERVER-62333</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Changes introduced in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43148&quot; title=&quot;third_party/murmurhash layering violation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43148&quot;&gt;&lt;del&gt;SERVER-43148&lt;/del&gt;&lt;/a&gt; failed to include the fixes in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37258&quot; title=&quot;UBSAN report from MurmurHash in UnorderedFastKeyTable on clang 6&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37258&quot;&gt;&lt;del&gt;SERVER-37258&lt;/del&gt;&lt;/a&gt;. We should continue to use &lt;tt&gt;std::ptrdiff_t&lt;/tt&gt; in this case to avoid UBSAN warnings about overflow. &lt;/p&gt;</description>
                <environment></environment>
        <key id="1957760">SERVER-62333</key>
            <summary>MurmurHash3 getblock/putblock can overflow</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="13201">Fixed</resolution>
                                        <assignee username="matt.broadstone@mongodb.com">Matt Broadstone</assignee>
                                    <reporter username="matt.broadstone@mongodb.com">Matt Broadstone</reporter>
                        <labels>
                            <label>auto-reverted</label>
                    </labels>
                <created>Mon, 3 Jan 2022 14:20:25 +0000</created>
                <updated>Sun, 29 Oct 2023 21:44:34 +0000</updated>
                            <resolved>Wed, 5 Jan 2022 15:09:51 +0000</resolved>
                                                    <fixVersion>5.3.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4276225" author="xgen-internal-githook" created="Wed, 5 Jan 2022 15:08:20 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Matt Broadstone&apos;, &apos;email&apos;: &apos;mbroadst@mongodb.com&apos;, &apos;username&apos;: &apos;mbroadst&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62333&quot; title=&quot;MurmurHash3 getblock/putblock can overflow&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62333&quot;&gt;&lt;del&gt;SERVER-62333&lt;/del&gt;&lt;/a&gt; use std::ptrdiff_t to avoid UB in MurmurHash3&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/46ebb678146598ce3ae12ae401732708e2e3cf01&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/46ebb678146598ce3ae12ae401732708e2e3cf01&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4275526" author="xgen-buildbaron-user" created="Wed, 5 Jan 2022 04:25:59 +0000"  >&lt;p&gt;Ticket re-opened due to revert. &lt;a href=&quot;https://evergreen.mongodb.com/task/mongodb_mongo_master_macos_debug_suggested_compile_dist_test_863684a584bfa5b4beeffb8d2a79e735299c1de7_22_01_04_16_36_52&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;compile_dist_test&lt;/a&gt; began a consistent failure of compile_dist_test&lt;/p&gt;</comment>
                            <comment id="4275524" author="xgen-internal-githook" created="Wed, 5 Jan 2022 04:23:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;auto-revert-processor&apos;, &apos;email&apos;: &apos;dev-prod-dag@mongodb.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62333&quot; title=&quot;MurmurHash3 getblock/putblock can overflow&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62333&quot;&gt;&lt;del&gt;SERVER-62333&lt;/del&gt;&lt;/a&gt; use std::ptrdiff_t to avoid UB in MurmurHash3&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 863684a584bfa5b4beeffb8d2a79e735299c1de7.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fefa965f8dd1f52e727a316ddb86aa18b0cf495f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fefa965f8dd1f52e727a316ddb86aa18b0cf495f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4275359" author="xgen-internal-githook" created="Wed, 5 Jan 2022 00:10:21 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Matt Broadstone&apos;, &apos;email&apos;: &apos;mbroadst@mongodb.com&apos;, &apos;username&apos;: &apos;mbroadst&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62333&quot; title=&quot;MurmurHash3 getblock/putblock can overflow&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62333&quot;&gt;&lt;del&gt;SERVER-62333&lt;/del&gt;&lt;/a&gt; add missing include for windows&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5c76d29f4c21fbfe151b858b70f3b555840a2362&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5c76d29f4c21fbfe151b858b70f3b555840a2362&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4274152" author="xgen-internal-githook" created="Tue, 4 Jan 2022 16:37:01 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Matt Broadstone&apos;, &apos;email&apos;: &apos;mbroadst@mongodb.com&apos;, &apos;username&apos;: &apos;mbroadst&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62333&quot; title=&quot;MurmurHash3 getblock/putblock can overflow&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62333&quot;&gt;&lt;del&gt;SERVER-62333&lt;/del&gt;&lt;/a&gt; use std::ptrdiff_t to avoid UB in MurmurHash3&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/863684a584bfa5b4beeffb8d2a79e735299c1de7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/863684a584bfa5b4beeffb8d2a79e735299c1de7&lt;/a&gt;&lt;/p&gt;</comment>
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