AW: getty: setsid: Operation not permitted on busybox v1.20.2

Priebe, Sebastian Sebastian.Priebe at cadcon.de
Fri Aug 17 09:42:58 UTC 2012


-----Ursprüngliche Nachricht-----
Von: Denys Vlasenko [mailto:vda.linux at googlemail.com]
Gesendet: Donnerstag, 16. August 2012 13:26
An: Priebe, Sebastian
Cc: busybox at busybox.net
Betreff: Re: getty: setsid: Operation not permitted on busybox v1.20.2

On Thu, Aug 16, 2012 at 8:01 AM, Priebe, Sebastian <Sebastian.Priebe at cadcon.de> wrote:
> -----Ursprüngliche Nachricht-----
> Von: Denys Vlasenko [mailto:vda.linux at googlemail.com]
> Gesendet: Mittwoch, 15. August 2012 16:22
> An: Priebe, Sebastian
> Cc: busybox at busybox.net
> Betreff: Re: getty: setsid: Operation not permitted on busybox v1.20.2
>
>>On Wed, Aug 15, 2012 at 10:00 AM, Priebe, Sebastian <Sebastian.Priebe at cadcon.de> wrote:
>>> Hello,
>>>
>>> I get " getty: setsid: Operation not permitted" if calling "getty 921600 tty0".
>>
>>Please find this place in getty.c:
>>
>>                pid = getpid();
>>                if (getsid(0) != pid)
>>                        bb_perror_msg_and_die("setsid");
>>
>>
>>and modify it to print this:
>>
>>bb_perror_msg_and_die("setsid fails: pid %d ppid %d sid %d", pid,
>>getppid(), getsid(0));
>
> getty: setsid fails: pid 1100 ppid 1092 sid 1092: Operation not
> permitted
>
>Aww. I *think* we are process group leader.
>Please run with this:
>
>bb_perror_msg_and_die("setsid fails: pid %d ppid %d sid %d pgid %d", pid, getppid(), getsid(0), getpgid(0));
>
>and let me know what does it say.

getty: setsid fails: pid 1099 ppid 1092 sid 1092 pgid 1099: Operation not permitted


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