Shishqa

FROM ubuntu:20.04

ENV TZ=Europe/Moscow

COPY install_deps.sh /
RUN sh install_deps.sh

Shishqa

from scapy.all import *
import time

def discover_mac(target_ip):
    E = Ether(dst="ff:ff:ff:ff:ff:ff")
    A = ARP(op=1, pdst=target_ip)
    packet = E / A
    ans = srp(packet, timeout=2)
    mac = ans[0][0][1].hwsrc
    print('discovered {} MAC address: {}'.format(target_ip, mac))

Shishqa

local table_new = require "table.new"

local function payload()
  local _ = table_new(10, 0)

  for i = 1, 10 do
    _[i] = "memprof-str-"..i
  end

  _ = nil

Shishqa

local chunk = [[
function lua_global_f() 
  local str = string.rep("%d", 100)
end
]]

for i=1,1000000 do
  local f, err = loadstring(chunk:format(i))
  assert(f, err)
  f()

Shishqa

jit.off()

local st, err = misc.memprof.start('memprof.bin')
assert(st, err)

local chunk = [[
function lua_global_f() 
  local str = string.rep("%d", 100) 
end
]]

Shishqa

local misc = require("misc")
local jit = require("jit")
local os = require("os")
local io = require("io")

local N_RUNS = 15

local function avg(n, func)
  local sum = 0
  for _ = 1, n do

Shishqa

// CXX_FLAGS: -std=c++17 -Wall -Wextra -fsanitize=address -fsanitize=undefined

#include <iostream>
#include <string_view>
#include <deque>

#ifndef NDEBUG
    #define LOG( smth ) smth
#else
    #define LOG( smth ) if (0) smth

Shishqa

__asm__ (".intel_syntax noprefix\n"
             "sub       rax, rdx\n"
             "sub       rdx, 16\n"
             ".strloop:\n"
             "add       rdx, 16\n"
             "movdqu    xmm0, [rdx]\n"
             "pcmpistri xmm0, [rdx+rax], 0b00011000\n"
             "ja        .strloop\n"
             "jc        .not_eq\n"
             "mov       rax, 1\n"