masami256

KERNDIR := /lib/modules/`uname -r`/build
BUILD_DIR := $(shell pwd)
VERBOSE = 0

obj-m := uname-livepatch.o
smallmod-objs := uname-livepatch.o

all:
	make -C $(KERNDIR) M=$(BUILD_DIR) KBUILD_VERBOSE=$(VERBOSE) modules

masami256

#!/bin/bash

# Before run this script, get authengication token via google authenticator app or other tool
if [ $# != 1 ]; then
    echo "usage: $0 [token]"
    exit 1
fi

tokencode=$1

masami256

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/auxv.h>
#include <unistd.h>

static void *find_vdso_start_address(void)
{
	return (void *) getauxval(AT_SYSINFO_EHDR);
}

masami256

masami256

#!/usr/bin/env python3

import argparse
import os
import sys
import time
import signal

def sigint_handler(signalnum, handler):
    sys.exit(0)

masami256

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/refcount.h>
#include <linux/smp.h>
#include <linux/slab.h>

MODULE_DESCRIPTION("refcount api test");
MODULE_AUTHOR("masami256");

masami256

diff --git a/Makefile b/Makefile
index 8e223e0..9f4bd0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1024,6 +1024,7 @@ endif
 prepare2: prepare3 prepare-compiler-check outputmakefile asm-generic
 
 prepare1: prepare2 $(version_h) include/generated/utsrelease.h \
+                   include/generated/utscodename.h \
                    include/config/auto.conf

masami256

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/livepatch.h>
#include <linux/seq_file.h>
#include <linux/string.h>
#include <linux/sched.h>
#include <linux/pid_namespace.h>

masami256

# Use centos
FROM centos:centos7
MAINTAINER masami256@gmail.com

COPY mysql57-community-release-el7-8.noarch.rpm /tmp/
COPY make_netmask.sh /tmp/

RUN ln -sf /usr/share/zoneinfo/Asia/Tokyo /etc/localtime && \
yum localinstall -y /tmp/mysql57-community-release-el7-8.noarch.rpm && \
yum update -y && \

masami256

#!/usr/bin/env stap

%{
#include <linux/sched.h>
#include <linux/thread_info.h>
#include <linux/pid_namespace.h>
%}

function show_pidtree:long(pn:long) %{
        struct task_struct *task;