[PATCH 1/1] Smack:- Fix the issue of wrong info printed in ptrace error logs

[Casey Schaufler]

On 12/21/2021 5:12 AM, Vishal Goel wrote:
> Hi,
>
>>>> Signed-off-by: Vishal Goel <vishal.goel at samsung.com>
>> What test case do you have that generates these records?

Could you include a permissive license with this code?
I'd like to add it or a derivative of it to the Smack test suite.

> Test case for 1st log:-
> void main(int argc,char *argv[])
> {
>          int pid;
>
>          if (argc < 2) {
>                  printf("enter pid of the tracee process\n");
>                  exit(0);
>          }
>
>          pid = atoi(argv[1]);
>          fprintf(stderr,"Inside\n");
>          ptrace(PTRACE_ATTACH, pid,NULL,NULL);
>          while(1)
>          {
>                  sleep(10);
>          }
> }
>
> Test case for 2nd log:-
> void main(int argc,char *argv[])
> {
>          int pid;
>
>          pid = getpid();
>          fprintf(stderr,"Inside\n");
>          ptrace(PTRACE_TRACEME, pid,NULL,NULL);
>          while(1)
>          {
>                 sleep(10);
>          }
> }
>
> Test case for 3rd log:-
> void main()
> {
>          int pid;
>          char *argv[2];
>
>          fprintf(stderr,"Inside\n");
>          pid = fork();
>          if(pid == 0) {
>                  argv[0] = "/tst_pt";
>                  argv[1] = NULL;
>
>                  if(ptrace(PTRACE_TRACEME, pid,NULL,NULL))
>                          printf("attached child\n");
>
>                  printf("going for exec\n");
>                  execv("/tst_pt",argv);
>          }
>          else
>          {
>                  while(1)
>                  {
>                          sleep(10);
>                  }
>          }
> }
>
>>> Added linux-audit to the CC list.
>>>
> Thanks
> Vishal Goel