/* ptrace.c *//* By Ross Biro 1/23/92 *//* edited by Linus Torvalds */ #include <linux/head.h>#include <linux/kernel.h>#include <linux/sched.h>#include <linux/mm.h>#include <linux/errno.h>#include <linux/ptrace.h>#inclu…

Playing with ptrace, Part II Issue From Issue # December Dec , By Pradeep Padala inSysAdmin In Part II of his series on ptrace, Pradeep tackles the more advanced topics of setting breakpoints and injecting code into running processes. In Part I of ],…

译者序:在开发Hust Online Judge的过程中,查阅了不少资料,关于调试器技术的资料在网上是很少,即便是UNIX编程巨著<UNIX环境高级编程>中,相关内容也不多,直到我在 http://www.linuxjournal.com 上找到这篇文章,如获至宝,特翻译之,作为鄙人翻译技术文档的第一次尝试,必定会有不少蹩脚之处,各位就将就一下吧,欢迎大力拍砖. 你想过怎么实现对系统调用的拦截吗?你尝试过通过改变系统调用的参数来愚弄你的系统kernel吗?你想过调试器是如何使运行中的进程暂停并…

下面是转帖的内容,写的很详细.但是不同的linux发行版中头文件的路径和名称并不相同.如在某些发行版中<linux/user.h>就不存在,其中定义的变量出现在<asm/ptrace-abi.h>和<sys/user.h>中. ================================================================================================== by Pradeep Padala Create…

arch/x86/kernel/ptrace.c:1472:17: error: conflicting types for 'syscall_trace_enter'  In file included from /home/rex/Downloads/linux-2.6.32.60/arch/x86/include/asm/vm86.h:130:0,                    from /home/rex/Downloads/linux-2.6.32.60/arch/x86/in…

漏洞简介: Linuxkernel是美国Linux基金会发布的开源操作系统Linux所使用的内核. Linuxkernel5.1.17之前版本中存在安全漏洞,该漏洞源于kernel/ptrace.c文件的 ptrace_link没有正确处理对凭证的记录.攻击者可利用该漏洞获取root访问权限. 漏洞公告: 目前厂商暂未发布修复措施解决此安全问题,建议使用此软件的用户随时关注厂商 主页或参考网址以获取解决办法: https://www.linux.org/ https://www.linux.or…

ptrace函数:进程跟踪. 形式:#include<sys/ptrace.h> Int ptrace(int request,int pid,int addr,int data); 概述: 父进程控制子进程运行,检查和改变它的核心Image.Ptrace主要用来实现断点调试.当进程被中止,通知父进程,进程的内存空间可以被读写,父进程可以选择是子进程继续执行,还是中止. 根据ptrace的函数原形 int ptrace(int request, int pid, int addr, int d…

Int 80h Website (Copy from Linux-System-Call) List of Linux/i386 system calls Copyright (C) 1999-2000 by Konstantin Boldyshev This list is NOT READY and is under heavy construction, a lot of entries are missing, and some may be incorrect. This is mor…

目录 . 引言 . Kill Process By Kill Command && SIGNAL . Kill Process By Resource Limits . Kill Process By Code Injection Into Running Process Via GDB . Kill Process By Using Cross Process Virtual Memory Modify To Crash Process && process_vm_wri…

diskiohttp://blog.163.com/digoal%40126/blog/static/16387704020131015105532435/ [root@localhost linux-]# stap -l 'kernel.function("vfs_*")' kernel.function("vfs_cancel_lock@fs/locks.c:2074") kernel.function("vfs_create@fs/namei.c:1…