Re: [Pkg-samba-maint] Default size limits for /run (/var/run) and /run/lock (/var/lock)

[Philipp Kern <trash@philkern.de>]

On 2011-04-12, Roger Leigh <rleigh@codelibre.net> wrote:
> Having multiple tmpfses with the kernel defaults means that a user or
> badly written program could intentionally or accidentally lock up the
> machine by using all available memory by filling up one or more of the
> tmpfses.  And the majority /are/ user writable by default, even /run
> (via /var/lock, which is not a separate mount by default--maybe it
> should be?).  /dev/shm is user writable, /tmp is user writable.

How is that different from lock-ups due to fork bombs?  If the admin cares, he
can still fence his users.  (Like DSA do on their machines by setting a sane
tmpfs size limit.)

Kind regards
Philipp Kern