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Update webpage "Documenation - hardened_malloc" from version "1.1.0" to "2.0.0"

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inference 2024-01-15 05:51:02 +00:00
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documentation/hardened_malloc.html → documentation/hardened_malloc.xhtml
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<!DOCTYPE html> <!DOCTYPE html>
<!-- Inferencium - Website - Documentation - GrapheneOS hardened_malloc --> <!-- Inferencium - Website - Documentation - GrapheneOS hardened_malloc -->
<!-- Version: 1.1.0 --> <!-- Version: 2.0.0 -->
<!-- Copyright 2023 Jake Winters --> <!-- Copyright 2023 Jake Winters -->
<!-- SPDX-License-Identifier: BSD-3-Clause --> <!-- SPDX-License-Identifier: BSD-3-Clause -->
<html lang="en"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head> <head>
<meta charset="utf-8"/> <meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/> <meta name="viewport" content="width=device-width, initial-scale=1"/>
@ -16,16 +16,16 @@
</head> </head>
<body> <body>
<nav class="navbar"> <nav class="navbar">
<div><a href="../index.html"><img src="../asset/img/logo-inferencium-no_text.png" width="110px" height="110px"/></a></div> <div><a href="../index.xhtml"><img src="../asset/img/logo-inferencium-no_text.png" width="110px" height="110px"/></a></div>
<div><a href="../index.html" class="title">Inferencium</a></div> <div><a href="../index.xhtml" class="title">Inferencium</a></div>
<div><a href="../about.html">About</a></div> <div><a href="../about.xhtml">About</a></div>
<div><a href="../contact.html">Contact</a></div> <div><a href="../contact.xhtml">Contact</a></div>
<div><a href="../blog.html">Blog</a></div> <div><a href="../blog.xhtml">Blog</a></div>
<div><a href="../documentation.html">Documentation</a></div> <div><a href="../documentation.xhtml">Documentation</a></div>
<div><a href="../source.html">Source</a></div> <div><a href="../source.xhtml">Source</a></div>
<div><a href="../key.html">Key</a></div> <div><a href="../key.xhtml">Key</a></div>
<div><a href="../changelog.html">Changelog</a></div> <div><a href="../changelog.xhtml">Changelog</a></div>
<div><a href="../directory.html">Directory</a></div> <div><a href="../directory.xhtml">Directory</a></div>
</nav> </nav>
<section id="introduction"> <section id="introduction">
<h1 id="introduction"><a href="#introduction">Documentation - GrapheneOS hardened_malloc</a></h1> <h1 id="introduction"><a href="#introduction">Documentation - GrapheneOS hardened_malloc</a></h1>
@ -40,10 +40,10 @@
<p>For the complete hardened_malloc documentation, visit its <p>For the complete hardened_malloc documentation, visit its
<a href="https://github.com/GrapheneOS/hardened_malloc#hardened_malloc">official documentation</a>.</p> <a href="https://github.com/GrapheneOS/hardened_malloc#hardened_malloc">official documentation</a>.</p>
<p>This documentation is also available in portable AsciiDoc format in my <p>This documentation is also available in portable AsciiDoc format in my
<a href="https://src.inferencium.net/Inferencium/doc/src/branch/stable/security/hardened_malloc.adoc">documentation source code repository</a>. <a href="https://src.inferencium.net/Inferencium/doc/src/branch/stable/security/hardened_malloc.adoc">documentation source code repository</a></p>.
</section> </section>
<nav id="toc"> <nav id="toc">
<h2 id="toc"><a href="#toc">Table of Contents<a/></h2> <h2 id="toc"><a href="#toc">Table of Contents</a></h2>
<ul> <ul>
<li><a href="#memory_pages">Increase Permitted Amount of Memory Pages</a></li> <li><a href="#memory_pages">Increase Permitted Amount of Memory Pages</a></li>
<li><a href="#clone_source_code">Clone hardened_malloc Source Code</a></li> <li><a href="#clone_source_code">Clone hardened_malloc Source Code</a></li>
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</section> </section>
<section id="compile"> <section id="compile">
<h2 id="compile"><a href="#compile">Compile hardened_malloc</a></h2> <h2 id="compile"><a href="#compile">Compile hardened_malloc</a></h2>
<p><p><code>$ make <var>&lt;arguments&gt;</var></code></p> <p><code>$ make <var>&lt;arguments&gt;</var></code></p>
<p><code>CONFIG_N_ARENA=<var>n</var></code> can be adjusted to increase parallel <p><code>CONFIG_N_ARENA=<var>n</var></code> can be adjusted to increase parallel
performance at the expense of memory usage, or decrease memory usage at the expense of performance at the expense of memory usage, or decrease memory usage at the expense of
parallel performance, where <var>n</var> is an integer. Higher values prefer parallel parallel performance, where <var>n</var> is an integer. Higher values prefer parallel
performance, lower values prefer lower memory usage. The number of arenas has no impact performance, lower values prefer lower memory usage. The number of arenas has no impact
on the security properties of hardened_malloc.<br> on the security properties of hardened_malloc.<br/>
<b>Minimum number of arenas:</b> 1<br> <b>Minimum number of arenas:</b> 1<br/>
<b>Maximum number of arenas:</b> 256</p> <b>Maximum number of arenas:</b> 256</p>
<p>For extra security, <code>CONFIG_SEAL_METADATA=true</code> can be used in order to <p>For extra security, <code>CONFIG_SEAL_METADATA=true</code> can be used in order to
control whether Memory Protection Keys are used to disable access to all writable control whether Memory Protection Keys are used to disable access to all writable
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<h2 id="preload_on_boot"><a href="#preload_on_boot">Set System to Preload hardened_malloc on Boot</a></h2> <h2 id="preload_on_boot"><a href="#preload_on_boot">Set System to Preload hardened_malloc on Boot</a></h2>
<p><b>musl-based systems:</b> Add <p><b>musl-based systems:</b> Add
<code>export LD_PRELOAD="<var>&lt;hardened_malloc path&gt;</var>"</code> to <code>export LD_PRELOAD="<var>&lt;hardened_malloc path&gt;</var>"</code> to
<code>/etc/environment</code><br> <code>/etc/environment</code></p>
<b>glibc-based systems:</b> Add <code><var>&lt;hardened_malloc path&gt;</var></code> to <p><b>glibc-based systems:</b> Add <code><var>&lt;hardened_malloc path&gt;</var></code> to
<code>/etc/ld.so.preload</code></p> <code>/etc/ld.so.preload</code></p>
</section> </section>
</body> </body>