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These results are with glibc malloc on x86_64. The last public PaX and grsecurity patches don't support arm64 which is one of the two architectures (x86_64 kernels including x32/x86_32 and arm64 kernels including armv7 userspace) focused on by linux-hardened. There isn't anything other than x86_64 to compare across all 3 kernels although linux-hardened has the same end result for both x86_64 and arm64 (with slightly different starting points) and there are few mainline differences. The linux-hardened implementation of ASLR is a very minimal modification of the mainline implementation to fix the weaknesses compared to grsecurity. The intention is to upstream all of these changes, although care needs to be taken to properly justify them to avoid getting anything rejected unnecessarily.

Explanation of differences between kernels:

Mainline and linux-hardened base randomization entropy for the mmap base and executable to the vm.mmap_rnd_bits sysctl for 64-bit and

	import os
	import sys
	import time
	import struct
	import select
	import binascii

	import bluetooth
	from bluetooth import _bluetooth as bt

	# -- coding: utf-8 --

	"""
	Sample client script for PNF Software's JEB2.

	More samples are available on our website and within the scripts/ folder.

	Refer to SCRIPTS.TXT for more information.
	"""

	# This file has no update anymore. Please see https://github.com/worawit/MS17-010
	import sys
	from struct import pack

	if len(sys.argv) < 4:
	print('Usage: {} sc_x86 sc_x64 sc_out'.format(sys.argv[0]))
	sys.exit()

	sc_x86 = open(sys.argv[1], 'rb').read()
	sc_x64 = open(sys.argv[2], 'rb').read()

	# Powershell script to bypass UAC on Vista+ assuming
	# there exists one elevated process on the same desktop.
	# Technical details in:
	# https://tyranidslair.blogspot.co.uk/2017/05/reading-your-way-around-uac-part-1.html
	# https://tyranidslair.blogspot.co.uk/2017/05/reading-your-way-around-uac-part-2.html
	# https://tyranidslair.blogspot.co.uk/2017/05/reading-your-way-around-uac-part-3.html
	# You need to Install-Module NtObjectManager for this to run.

	Import-Module NtObjectManager

	package com.versobit.kmark.gist;

	import android.app.Application;
	import android.content.Context;

	import de.robv.android.xposed.IXposedHookLoadPackage;
	import de.robv.android.xposed.XC_MethodHook;
	import de.robv.android.xposed.callbacks.XC_LoadPackage;

	import static de.robv.android.xposed.XposedHelpers.findAndHookMethod;