Re: [Bug-tar] False "file changed as we read it" error (from hard link creation)

[Paul Eggert]

johnkw wrote:
> (I don't think it's a DoS problem as that post proposes, because at least on a
> recent Linux, hard-linking another user's file results in "Operation not
> permitted".)

It's not simply a question of another user. A problem can arise even if only one 
user is involved.