为什么我需要以root身份运行(而不是r00t_)?
// main()
scan.scanProcessOffset(10838, 0x7f8c14000000); // proper pid and offset
void MemoryMapper::scanProcessOffset(unsigned int procId, unsigned long long offset)
{
long attach = ptrace(PTRACE_ATTACH, procId, NULL, NULL);
cout << attach << endl << errno << endl;
long memory = ptrace(PTRACE_PEEKDATA, procId, offset);
if (memory == -1 && errno == 3)
{
cout << errno << endl;
errno = 0;
}
cout << memory;
}
Run Code Online (Sandbox Code Playgroud)
正如您所看到的那样,我正在进行的过程由r00t_拥有
r00t_@:/proc/10838$ ls -l
lrwxrwxrwx 1 r00t r00t_ 0 2012-04-15 08:21 exe -> /usr/bin/gedit
-rw------- 1 r00t …Run Code Online (Sandbox Code Playgroud)