On 05/07/2013 22:31, Jamie Gritton wrote:
Author: jamie
Date: Fri Jul 5 21:31:16 2013
New Revision: 252841
URL: http://svnweb.freebsd.org/changeset/base/252841
Log:
Add new privileges, PRIV_KMEM_READ and PRIV_KMEM_WRITE, used in opening
/dev/kmem and /dev/mem (in addition to traditional file permission checks).
PRIV_KMEM_READ is different from other PRIV_* checks in that it's allowed
by default.
Reviewed by: kib, mckusick
Hi Jamie,
As a result of this commit (and r252845), it is no longer possible to
access /dev/mem and /dev/kmem inside of a jail - is this behaviour
intentional?
# dd if=/dev/mem bs=64 count=1
dd: /dev/mem: Operation not permitted
Regards,
Jase.
--
Jase Thew
j...@freebsd.org
FreeBSD Ports Committer
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