On Tue, Sep 06, 2005 at 07:53:49PM +0200, Frank van Maarseveen wrote: > While I have access to /proc/<pid>, readlink fails with EACCES on > > /proc/<pid>/exe > /proc/<pid>/cwd > /proc/<pid>/root > > even when I own <pid> though it runs with a different effective/saved/fs > uid such as the X server. This is a bit uncomfortable and doesn't > seem right. > > Or is this to make /proc mounting inside a chroot jail safe?
suid-root task does chdir() to place you shouldn't be able to access. You do cd /proc/<pid>/cwd and get there anyway. Bad Things Happen... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
