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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>
    </build-info>


<item>
            <title>[SERVER-69009] Narrowing conversion of timestamp components in mozjs valuewriter</title>
                <link>https://jira.mongodb.org/browse/SERVER-69009</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We could experience some unexpected, implementation-defined behavior if the components of the timestamp are doubles with values outside the allowed integer range.&lt;/p&gt;


&lt;p&gt;&lt;tt&gt;src/mongo/scripting/mozjs/valuewriter.cpp:302:22: warning: narrowing conversion from &apos;double&apos; to &apos;unsigned int&apos; &lt;span class=&quot;error&quot;&gt;&amp;#91;bugprone-narrowing-conversions&amp;#93;&lt;/span&gt;&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160; &#160; return Timestamp(wrapper.getNumber(&quot;t&quot;), wrapper.getNumber(&quot;i&quot;));&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;^&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;src/mongo/scripting/mozjs/valuewriter.cpp:302:46: warning: narrowing conversion from &apos;double&apos; to &apos;unsigned int&apos; &lt;span class=&quot;error&quot;&gt;&amp;#91;bugprone-narrowing-conversions&amp;#93;&lt;/span&gt;&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160; &#160; return Timestamp(wrapper.getNumber(&quot;t&quot;), wrapper.getNumber(&quot;i&quot;));&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;^&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;src/mongo/scripting/mozjs/valuewriter.cpp:453:30: warning: narrowing conversion from &apos;double&apos; to &apos;unsigned int&apos; &lt;span class=&quot;error&quot;&gt;&amp;#91;bugprone-narrowing-conversions&amp;#93;&lt;/span&gt;&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; Timestamp ot(o.getNumber(&quot;t&quot;), o.getNumber(&quot;i&quot;));&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;^&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;src/mongo/scripting/mozjs/valuewriter.cpp:453:48: warning: narrowing conversion from &apos;double&apos; to &apos;unsigned int&apos; &lt;span class=&quot;error&quot;&gt;&amp;#91;bugprone-narrowing-conversions&amp;#93;&lt;/span&gt;&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; Timestamp ot(o.getNumber(&quot;t&quot;), o.getNumber(&quot;i&quot;));&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;&#160;&#160;&lt;/tt&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="2118280">SERVER-69009</key>
            <summary>Narrowing conversion of timestamp components in mozjs valuewriter</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="justin.seyster@mongodb.com">Justin Seyster</assignee>
                                    <reporter username="dan.larkin-york@mongodb.com">Dan Larkin-York</reporter>
                        <labels>
                    </labels>
                <created>Fri, 19 Aug 2022 18:49:35 +0000</created>
                <updated>Sun, 29 Oct 2023 21:34:13 +0000</updated>
                            <resolved>Wed, 14 Dec 2022 22:40:18 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="5055842" author="xgen-internal-githook" created="Wed, 14 Dec 2022 21:19:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Justin Seyster&apos;, &apos;email&apos;: &apos;justin.seyster@mongodb.com&apos;, &apos;username&apos;: &apos;jseyster&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-69009&quot; title=&quot;Narrowing conversion of timestamp components in mozjs valuewriter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-69009&quot;&gt;&lt;del&gt;SERVER-69009&lt;/del&gt;&lt;/a&gt; Validate Timestamp objects returned from $function&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2774a5a7a1ded801ec19c2ba6a89715b038fb850&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2774a5a7a1ded801ec19c2ba6a89715b038fb850&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4811631" author="JIRAUSER1258161" created="Thu, 8 Sep 2022 14:00:34 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=justin.seyster%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;justin.seyster@mongodb.com&quot;&gt;justin.seyster@mongodb.com&lt;/a&gt; Thanks for taking a look! I also agree the usassert approach sounds quite reasonable. If we backport the changes, there&apos;s some small chance this will cause errors in existing scripts/applications, but I think that would be preferable to silently doing something potentially wrong due to undefined behavior. And we can always just &lt;em&gt;not&lt;/em&gt; backport it, since it seems a low-risk bug anyway. But I&apos;ll leave that decision up to your judgment.&lt;/p&gt;</comment>
                            <comment id="4810563" author="JIRAUSER1259138" created="Thu, 8 Sep 2022 06:43:20 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=justin.seyster%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;justin.seyster@mongodb.com&quot;&gt;justin.seyster@mongodb.com&lt;/a&gt;, thanks for taking a look into it.&lt;/p&gt;

&lt;p&gt;We&apos;ve already discussed this on this Slack thread: &lt;a href=&quot;https://mongodb.slack.com/archives/C03STQ6G8RL/p1660831758698009&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://mongodb.slack.com/archives/C03STQ6G8RL/p1660831758698009&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;I agree with &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=justin.seyster%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;justin.seyster@mongodb.com&quot;&gt;justin.seyster@mongodb.com&lt;/a&gt;&apos;s suggestion, as a similar change is done for this kind of issue (e.g., &lt;a href=&quot;https://github.com/mongodb/mongo/commit/49f9319d0ee50502259b61dfef2e2b71bf86948a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;):&lt;/p&gt;
&lt;blockquote&gt;&lt;p&gt;My suggestion is to add uassert}}s at the two locations referenced by this ticket to ensure that {{t and o are still in uint32_t range. Users will still be able to pass around invalid Timestamp objects, but any time they cross the barrier from JavaScript to mongod, the ranges will be revalidated.&lt;/p&gt;&lt;/blockquote&gt;</comment>
                            <comment id="4809866" author="justin.seyster" created="Wed, 7 Sep 2022 21:59:37 +0000"  >&lt;p&gt;There is a hidden bug here, but it&apos;s minor.&lt;/p&gt;

&lt;p&gt;These conversions &lt;em&gt;should&lt;/em&gt; be correct, because the constructor for JavaScript &lt;tt&gt;Timestamp&lt;/tt&gt; objects validates that&#160;both &lt;tt&gt;t&lt;/tt&gt; and &lt;tt&gt;i&lt;/tt&gt; values are within the bounds of a &lt;tt&gt;uint32_t&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;However, it is possible to bypass validation by assigning to an already constructed &lt;tt&gt;Timestamp&lt;/tt&gt;:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.un.find({}, {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    computedField: {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;        $&lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;function&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;: {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;            body: &lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;function&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;(field) {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                let timestamp = Timestamp(1, 1);&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                timestamp.t = field;  &lt;/span&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// &amp;lt;-- Bypass validation&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                &lt;/span&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// This Timestamp object will be get passed to &apos;ValueWriter::toTimestamp()&apos; with a&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                &lt;/span&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// &apos;t&apos; value that has not been range checked.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                &lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;return&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; timestamp;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;            },&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;            args: [&lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;$unvalidatedUserData&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;],&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;            lang: &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;js&quot;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;        }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;});&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;I don&apos;t think this will affect customers, though, and we probably don&apos;t want to spend a lot of time on it. My suggestion is to add &lt;tt&gt;uassert}}s at the two locations referenced by this ticket to ensure that {{t&lt;/tt&gt; and &lt;tt&gt;o&lt;/tt&gt; are still in &lt;tt&gt;uint32_t&lt;/tt&gt; range. Users will still be able to pass around invalid &lt;tt&gt;Timestamp&lt;/tt&gt; objects, but any time they cross the barrier from JavaScript to &lt;tt&gt;mongod&lt;/tt&gt;, the ranges will be revalidated.&lt;/p&gt;

&lt;p&gt;The bulletproof solution would be modifying the C++ wrapper that specifies the `Timestamp` object so that &lt;tt&gt;t&lt;/tt&gt; and {i}} are getter/setter properties, giving us a hook we can use to validate new values. I don&apos;t know if it&apos;s possible to add a setter-style function to the kind of object `Timestamp` is, however, and JavaScript may still provide a way to make an unchecked modification to the underlying fields anyway.&lt;/p&gt;</comment>
                            <comment id="4788551" author="kyle.suarez" created="Tue, 30 Aug 2022 15:28:49 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=arun.banala%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;arun.banala@mongodb.com&quot;&gt;arun.banala@mongodb.com&lt;/a&gt; / &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=steve.tarzia%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;steve.tarzia@mongodb.com&quot;&gt;steve.tarzia@mongodb.com&lt;/a&gt;, does either Justin or Mohammad have bandwidth to take a look at this?&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10520">
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