Re: [PATCH][RFC] fs/exec.c: provide the correct process pid to the pipe helper

Oleg Nesterov
2010-09-16T19:39:47Z

On 09/16, Will Drewry wrote:
>
> --- a/fs/exec.c
> +++ b/fs/exec.c
> @@ -1467,6 +1467,13 @@ static int format_corename(char *corename, long signr)
> char *const out_end = corename + CORENAME_MAX_SIZE;
> int rc;
> int pid_in_pattern = 0;
> + pid_t pid = task_tgid_vnr(current);
> +
> + /* The pipe helper runs in the init namespace and should
> + * receive the matching pid until that changes.
> + */
> + if (ispipe)
> + pid = task_tgid_nr(current);

Agreed, it doesn't make sense to pass the "local" pid to the init ns.

Oleg.