linux-kernel - Re: ls -l /proc/1/exe -> Permission denied

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Date:	Sun, 20 Jul 2014 11:02:48 +0200
From:	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
To:	Andreas Schwab <schwab@...ux-m68k.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: ls -l  /proc/1/exe -> Permission denied

Andreas Schwab <schwab@...ux-m68k.org> wrote on 2014/07/19 22:21:59:
> 
> Joakim Tjernlund <joakim.tjernlund@...nsmode.se> writes:
> 
> > Trying to real /proc/<pid>/exe I noticed I could not read links not 
> > belonging to my user such as:
> > jocke >  ls -l /proc/1/exe
> >              ls: cannot read symbolic link /proc/1/exe: Permission 
denied
> >
> > Is this expected?
> 
> Yes.  This information is considered private.

I don't understand why though.
Why have exe in the fist place then?

 Jocke
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