bug#12632: file permissions checking mishandled when setuid

[Eli Zaretskii]

> Date: Sun, 14 Oct 2012 12:42:40 -0700
> From: Paul Eggert <eggert@cs.ucla.edu>
> CC: 12632@debbugs.gnu.org
> 
> On 10/14/2012 11:39 AM, Eli Zaretskii wrote:
> > The 'access' man page simply says this:
> > 
> >    F_OK tests for the existence of the file.
> > 
> > It says nothing about granting any permissions (unlike when it
> > describes R_OK, W_OK, and X_OK).
> 
> One always needs search permissions when resolving file names

You are talking about the directories leading to the file.  I was
talking about the file itself.