[Sheepdog] [PATCH 2/4] cluster: add local cluster driver

[Chris Webb]

MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> writes:

> +const char *shmfile = "/tmp/sheepdog_shm";
[...]
> +	shmfd = open(shmfile, O_CREAT | O_RDWR, 0644);

Even though this is just a testing driver, this does make me a little bit
nervous. For instance, as a malicious user of your machine, I might have
done

  ln -s /etc/shadow /tmp/sheepdog_shm

before you started sheepdog.

Cheers,

Chris.