cwen0

var CryptoJS = require('crypto-js')
var request = require('request-promise')

/*
 * npm install crypto-js request-promise request
 * node wx_t1t_hack.js
 */

// export function testEncription(msg, fullKey) {
//   var fullKey = fullKey.slice(0, 16)

cwen0

global inject, delay_cnt

probe begin {
    println("injdect diskio delay begin.\n");
}

probe procfs("cnt").read {
    $value = sprintf("%d\n", delay_cnt);
}

cwen0

#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <dlfcn.h>

ssize_t read(int fd, void *buf, size_t count) {
    ssize_t (*origin_read)(int, void*, size_t) = dlsym(RTLD_NEXT, "read");
    sleep(5);
    printf("read sleep 5s\n");
    return origin_read(fd, buf, count);

cwen0

#!/bin/bash
set -euo pipefail

function myFunction() {
	myCommand
	return $?
}

retry=0
maxRetries=5

cwen0

 yum --enablerepo=base-debuginfo install -y kernel-debuginfo-$(uname -r)