Re: [PATCH 2/5] audit: convert PPIDs to the inital PID namespace.

[Oleg Nesterov]

On 12/23, Richard Guy Briggs wrote:
>
> @@ -1839,10 +1839,10 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
>  	spin_unlock_irq(&tsk->sighand->siglock);
>  
>  	audit_log_format(ab,
> -			 " ppid=%ld pid=%d auid=%u uid=%u gid=%u"
> +			 " ppid=%d pid=%d auid=%u uid=%u gid=%u"
>  			 " euid=%u suid=%u fsuid=%u"
>  			 " egid=%u sgid=%u fsgid=%u tty=%s ses=%u",
> -			 sys_getppid(),
> +			 task_ppid_nr(tsk),

Hmm. But sys_getppid() returns tgid, not pid.

This probably means that 1/5 should use task_tgid_nr_*() ?

Note that ->real_parent is not necessarily the group leader.

> @@ -459,7 +459,7 @@ static int audit_filter_rules(struct task_struct *tsk,
>  		case AUDIT_PPID:
>  			if (ctx) {
>  				if (!ctx->ppid)
> -					ctx->ppid = sys_getppid();
> +					ctx->ppid = task_ppid_nr(tsk);

The same.

Oleg.

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