Re: Linux 2.6.17.4

[Marcel Holtmann <marcel@holtmann.org>]

Hi Chase,

> >  		case PR_SET_DUMPABLE:
> > -			if (arg2 < 0 || arg2 > 2) {
> > +			if (arg2 < 0 || arg2 > 1) {
> >  				error = -EINVAL;
> >  				break;
> >  			}
> 
> Am I staring at this crooked, or not looking deep enough? My manual page for 
> prctl says 2 is valid there. Specifically:
> 
>               Since  kernel 2.6.13, the value 2 is also permitted; this causes
>               any binary which normally would not be dumped to be dumped read-
>               able   by   root   only.    (See   also   the   description   of
>               /proc/sys/fs/suid_dumpable in proc(5).)
> 
> ...has something changed, and my manpages don't reflect it? Did I miss a 
> conversation about this?

the manual page must change. This paragraph must be removed.

Regards

Marcel