mount memory modified after free

[Brian Fundakowski Feldman]

On Sun, Oct 16, 2005 at 09:48:19PM +0200, Pawel Jakub Dawidek wrote:
> On Sat, Oct 15, 2005 at 04:00:08PM +0000, Bjoern A. Zeeb wrote:
> +> Hi,
> +> 
> +> I had /dev/ad8s4d mounted read only to /shared and
> +> /local/building/ports/shared, then unounted /shared and did a
> +> mount -u -o rw /local/building/ports/shared *kaboom*
> 
> This is known problem. Multiple read-only mounts aren't safe.

Do you mean that multiply-mounting both read-write and read-only isn't
safe?  I don't think multiple read-only mounts are unsafe.

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green at FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\