Lukas Bergdoll Voultapher

## kir_ex_crck.py
#!/usr/bin/env python3

import sys

def print_crck():
    overflow_str = b''.join([ b'a' for x in range(264) ])
    sys.stdout.buffer.write(b'new a\n')
    sys.stdout.buffer.write(b'new b\n')
    sys.stdout.buffer.write(b'delete 0\n')
    sys.stdout.buffer.write(b'new ' + overflow_str + b'\x9c\x0c\x40\n')

## horrible_v1.cpp
#include <iostream>
#include <fstream>
#include <algorithm>
#include <string>
#include <vector>
#include <sstream>

void foo(const char* filepath)
{
  std::ifstream file(filepath);

## tree.html
<html>
<head>

<!--
We will create a family tree using just CSS(3)
The markup will be simple nested lists
-->
<style>
  /*Now the CSS*/
* {margin: 0; padding: 0;}

## del_fix.cpp
// This file is a part of the IncludeOS unikernel - www.includeos.org
//
// Copyright 2015-2016 Oslo and Akershus University College of Applied Sciences
// and Alfred Bratterud
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0

## cow.c
/*
####################### dirtyc0w.c #######################
$ sudo -s
# echo this is not a test > foo
# chmod 0404 foo
$ ls -lah foo
-r-----r-- 1 root root 19 Oct 20 15:23 foo
$ cat foo
this is not a test
$ gcc -pthread dirtyc0w.c -o dirtyc0w

## final_del_links.md

      
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    [Final](http://godbolt.org/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAM1QDsCBlZAQwBtMQBGAOgDYAGQUOHCArKQBWXUqgAOBPHQDOlNK1QBXYniWYAgkoC2IAOT8TpNIdl52AeVoBhBM1rAOZkwEpSSzcWQPAHoggGoAFQQdUKpbTFDo5lDZZmICUNQqUIIEeIBJWmRWDSw7BlCNWjwAa0xiWkxWUIBaUIB3Du48QuKsVCVuEmAAUn49ENHxsMc5AE9tYAR0gCZ%2BTlFm1c5eULsldVDXdFC9WuIlBA0lUIBVKoA3OqVCWdCZ1nZ3DKy9WVlWPCYY5MQGFTBKSYhQ60Y56VhUYhA0IAIWIzAIBDqJUhQRxoQAMnhArRdMdKlhiNlcicUshqYTibpSKEAGpPRS0ULLbj8UIQHLxYbLZYMzAkzBC5ZeYYAZmReNmmlChmYr1oqHSV3iOWisXYoUwAA9AvIEpyrP88K5Au1CAgqfFReLuHiAJpKlWvVAAIwIzG6h1CaFkXqyAoJRLFukOBBxeNCCdCSwIshAIQ6bW4zFpuUGxGAQQBjPBQXxeUc2AAcgxsJseXGxlC7uwlNdEQBHDR4RHHb2vbOWlje/WsZhtDKU5jARFIohm9raBRuZl%2BKgENqpCWNsL4JQEbTejSYskwuoOiPFhLXXf7vCH48ZTmuUKSvTlPIMSUot8f0h4gDqeThAAEnYNzhKE/56AAStBeiVuEeTYOUdjQW8diVgAIkBeQYShABiJyVq6oQANJ5FhzKYHaZ5GrIiKthOCTWACQIutuoQMJg2r0pG4oxCQ55KLImDIHgsTIKEo5uBoU7xMAqCPPU3TAMkdSGDozzKNC6B4gCGl%2Bgo2nkme4ZOro7F6JMQoyuJp5ZJh2D4tgADiejhNgAD6wEAAo%2BZ5FGOPiNyOZh1nLDKWCxA0oSOc5bked5fkBZWQUhdgYVjOFtk9CUgoyo4BCzCJnn7v6BAQjK2DZd0RR5S%2B

  
## variant_del_links.md

      
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              January 18, 2017 17:20
            
          
    [variant jss](http://godbolt.org/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAM1QDsCBlZAQwBtMQBGAOgDYAGQUOHCArKQBWXUqgAOBPHQDOlNK1QBXYniWYAgkoC2IAOT8TpNIdl52AeVoBhBM1rAOZkwEpSSzcWQPAHoggGoAWgAqcNDHAFIAJgAhRKSI6Lj%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%2BLQgC8yAus7AAA09OwBh5JirSAFkdOGGSzNCNS9j2AKJPKhh

  
## del_links.md

      
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    [variant jss](http://godbolt.org/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAM1QDsCBlZAQwBtMQBGAOgFYAGQUOHCALKQBWXUqgAOBPHQDOlNK1QBXYniWYAgkoC2IAOT8TpNIdl52AeVoBhBM1rAOZkwEpSSzcWQPAHoggGoAWgAqcNDHAFIAJgAhRKSI6Lj%2BPRDYuQBPbWAEAlCIZC9QhP5OXlJQgCkNJRKGVCoCAHdmYkxQ1tYNBWVQgBkCdEzssL1WVlDC4qV5zF1iADdMdG5JkJ2wgCVNnQJtACNBxVpQ13RQpt68K78tQOvaW9PH7rzQmmJDJR1DqEBChEh7ULAggITQlQwYPBUPAsIa0OrdXqyTD/QgETahWTEVBrPBYW7Q5glaGYCE0WaoYFuUJod6ES5LDGhQyYAggPYQnihQ74ZpnC7DNqhZ4BXpoLBcpolHoEZiPULU66nYk0rI5NCyAp4IolWioBSBOrQnShVjHMFUZl0fCojnvdUIXp09SM4AQkXIViq7nEba6oIQhLcIVHUV4c4u0Jqz60b6/EiGBXNZaEjAaV4a5hajYQ/WG42hU3mzCWhDW21ZyUs53st7kj1p%2Bk%2Bv06ANB7GJq4a9CoZAabn0SmXVtBEhg6nELmU7F4NhKCE5klkyEg929EUnOPi2ihqYQgDMUYAcpgQf2NSnufbd46DQsSjDWFgF6aF/fmNyljaCFCCWFkD3jEglkMZgflOXp7nJVBQkwd5IN6Wcc3hPECSJdA8wINcw1CL88A2W4qCJDMrSWPx2i6Hpt2hWEpSxZBEWRHDFAXDptAIPFaHXbFDB0JRLhPXYiIAFQACQASQYPo7AAMUkgB1PR9mwUJ5NCAAFfY7AANVkgARbATNCJIAE1QhkrTHDsXSrP2WSAHFpMk0JpLsEYzP2BS9EvEyIQcy9JJcpIAFVJLsfzQkSBI9AU%2BSEtCQKLMCmzsAADX07AGAU2LtIAWV0kZZPM0J1P2fZA

  
## tmp
http://godbolt.org/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAM1QDsCBlZAQwBtMQBGAOgFYAGQUOHCALKQBWXUqgAOBPHQDOlNK1QBXYniWYAgkoC2IAOT8TpNIdl52AeVoBhBM1rAOZkwEpSSzcWQPAFIAJgBmPCpaLCoAagARbAAZbABxPQAVbAB9AAkABXzsgEkAOUckgFVE%2BKD%2BPVCwmLxaTATktMycgqKyiursWvq6hvCW5FYNLFigsMcCAE9ZTGyCYmZCJVnsEcbxyenZxyoNWmQFOjZt3bGzg7ajw0xDEgXt2IB6D9ji2KVmdCxSi7epfWIAWkhkNiDAAmqU7PkGMUGBCoeCQXpaMwnkpZMxAn9lshdgB2ABCIIAnARnrJWMxaUclHgAF4rAh/NmYUixRbLbFPWIAJV5/Mwgsw3GlsT0xGAWzC2FiE2YSiUsVkWkws0pw34NLpDKZcxZ7NWXPZYqWEpxbVFfJtkul3Fl8sVytV6tiLXpBI52gAbrrqbTrMadabuRazTzHQK7SLrQmni63Qr3l6Nb6GYEQ/rDeHGZHHLGY9zk7ahQ7xc6ZXKM0qVQzvegFoK8CSwnqGqShg16pK8f7YlgCBtWGSe3UqWhaEpaQAPWTES0c0eYKjMDSsAjZFj45CEBYzMLxNeoKgQMsELyxABUsVE%2BYHs%2BUS5Xa4tMW3u%2BybDwYBaCeehT3PWNL2vaNbxfII%2B0xEYwz9E1HFDJ1EwyUhQyNYtmWgytJQIu0XUzFsNQYYkwKJTBkBAEAc39LCCxvNcqLHCc6J/Hc9wPAlj12JURizDd2GAXDu0%2Bb5TjxGjIjwTB0ExJCIyONCU3tIjU3rd0mNfZTxNLfD4yrONa2I6VSLVcjiV0mcWNjASdnqYSsFEgzhQgBslBdHwYRstdrm7BDQW%2BdFwR%2BABZfIUgi7BSgyTJijsUo0ShTEh0PNp2NsKdEJwlCzOrTSpW0xtlQXRlOxFWI6UWb

## godboldt-gcc-link
https://gcc.godbolt.org/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAKxAEZTUAHAvVAOwGdK0AbVAV2J4OmAIIcAtiADkABmmk0Exnh6YA8mwDCCAIZtgmGfICUpDgOLIj0gPQAqAKSzR9gNQA1VKh5uAtG78LDyEAJ7OrhHuWkyhQsAIBG4QyCZuAEyytABsbgAy/ADWuhxuAEKYxMDoPr4BAO6NAHQ8RSV%2BAEaV1bVNbJgEUVFuACoIwm5oWG4TIdacmOiBbFjEbgQImG6ijLrIm/l48yIZTbLJiQSMXLa2TJicltZNJMC2cw8iHLY7e5t%2B6TOJiitgiYPSAGY8AAzFaYaGedTqPIAfQAqiMAJJ5TEjACaKIAEijMQA5LR5NEAEWwVPBEKw0Lw/URyPRWJx%2BKJJPJlJpdJc9OZyFa00cEK0ADdMMgiMRxdghWwRfwxRKOAQhAYFUqVWqtAR%2BIw1DrBS42LoJJgOLtrG5Jd4eGCAOxlMHmy3W21bIKqF1us2iW7%2BPwBSW6IS6fDISaoZSqLYsK1uRjEe7EAihSabZCFEN%2Bd2iAiYZQ8XTFtzirQdR1uGIrBVuDXEfiy9YtzAomEopIgJsEdAgFDsfAsdi6J0S%2BvoUjugCcGsHIE1/E7mcYmFnZoXA6H0InIh7oQ3YIh2CH662jld17pEIDogixdL5cwVZFJVKbrP/Zbbf6wDlqwbBuH2i5DsyxbAMQE4omgnAEPogwSjWPikG4YBgGUQ7hq0b4/tebrOneD5PiWxqvlWqG%2BNO6GXhayaiHRx4PJ65SNvwHDMsAsYrIQwGwUk4oCo%2BshzvRbHgcOfFjhak5aLR2zod%2B57Lix4qkS4z4UcWVYSVaTSGaMHCmqInHcbGEgSOwR4bj2lYQlS6wsQxWxSUo1lsLZ%2BFaCMHCGU0CoXup96FhEwahmGEZ4FGRxuHwwBHBObgdMyEZZlaiHQvwyqyaUkWFtpZa6ShjoBY2za
	#!/usr/bin/env python3

	import sys

	def print_crck():
	overflow_str = b''.join([ b'a' for x in range(264) ])
	sys.stdout.buffer.write(b'new a\n')
	sys.stdout.buffer.write(b'new b\n')
	sys.stdout.buffer.write(b'delete 0\n')
	sys.stdout.buffer.write(b'new ' + overflow_str + b'\x9c\x0c\x40\n')
	#include <iostream>
	#include <fstream>
	#include <algorithm>
	#include <string>
	#include <vector>
	#include <sstream>

	void foo(const char* filepath)
	{
	std::ifstream file(filepath);
	<html>
	<head>

	<!--
	We will create a family tree using just CSS(3)
	The markup will be simple nested lists
	-->
	<style>
	/Now the CSS/
	* {margin: 0; padding: 0;}
	// This file is a part of the IncludeOS unikernel - www.includeos.org
	//
	// Copyright 2015-2016 Oslo and Akershus University College of Applied Sciences
	// and Alfred Bratterud
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	/*
	####################### dirtyc0w.c #######################
	$ sudo -s
	# echo this is not a test > foo
	# chmod 0404 foo
	$ ls -lah foo
	-r-----r-- 1 root root 19 Oct 20 15:23 foo
	$ cat foo
	this is not a test
	$ gcc -pthread dirtyc0w.c -o dirtyc0w