svn commit: r255567 - stable/9/sys/geom/zero

[Ivan Voras]

On 14 September 2013 12:12, Alexander Motin <mav at freebsd.org> wrote:

>   Add unmapped BIO support to GEOM ZERO if kern.geom.zero.clear is cleared.

> +               if (g_zero_clear && (bp->bio_flags & BIO_UNMAPPED) == 0)
>                         memset(bp->bio_data, g_zero_byte, bp->bio_length);


Umm, I might be wrong, but won't this basically export random kernel
memory to anyone reading from /dev/gzero?