On Fri, 15 Aug 2008 22:22:16 +0000 Wayne Feick <waf@xxxxxxxxx> wrote: > I'd consider it a security bug to allow a user to see any bytes beyond > what was written to the file since: > > 1. Some ilesystems store multiple small files in the same block. > 2. Some (most?) filesystems don't zero out blocks when they are > reallocated. > > Either of the above could allow you to see things you shouldn't. Which is why the kernel won't let you. What is on disk may vary but the actual kernel interfaces deal with actual file sizes. Any holes you create when extending it contain zeros -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
