Bug#295146: kernel: can delete root directories

[Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>]

Al Viro <viro@parcelfarce.linux.theplanet.co.uk> writes:

> On Mon, Feb 14, 2005 at 07:15:37AM +0100, Goswin von Brederlow wrote:
>> > a) do you actually have something mounted on that directory at the time?
>> > b) strace of rmdir, please
>> 
>> c) rights to delete are governed by the directory the thing to delete
>> is in and not by the thing itself. The rights of '1' are irelevant if
>> it is empty.
>
> Incorrect.  If foo/bar is a mountpoint and whatever is mounted on it happens
> to be empty, rmdir("foo/bar") still should fail, no matter what you can do
> to foo.

That is true.

MfG
        Goswin