Re: svn commit: r255316 - head/sys/kern

2013-09-07 Thread Gleb Smirnoff
Jamie, On Fri, Sep 06, 2013 at 12:59:06PM -0600, Jamie Gritton wrote: J J + J J + /* J J +* As in the non-jail case, non-root users are expected to be J J +* able to read kernel/phyiscal memory (provided /dev/[k]mem J J +*

Re: svn commit: r255316 - head/sys/kern

2013-09-07 Thread Colin Percival
On 09/07/13 00:03, Gleb Smirnoff wrote: Does that mean that we always have had ability for a jail-root to investigate kernel memory? Only if you're crazy enough to have a /dev/kmem inside your jail. -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap |

Re: svn commit: r255316 - head/sys/kern

2013-09-07 Thread Slawa Olhovchenkov
On Sat, Sep 07, 2013 at 12:06:32AM -0700, Colin Percival wrote: On 09/07/13 00:03, Gleb Smirnoff wrote: Does that mean that we always have had ability for a jail-root to investigate kernel memory? Only if you're crazy enough to have a /dev/kmem inside your jail. Have we ability to export

Re: svn commit: r255316 - head/sys/kern

2013-09-07 Thread Colin Percival
On 09/07/13 01:03, Slawa Olhovchenkov wrote: On Sat, Sep 07, 2013 at 12:06:32AM -0700, Colin Percival wrote: On 09/07/13 00:03, Gleb Smirnoff wrote: Does that mean that we always have had ability for a jail-root to investigate kernel memory? Only if you're crazy enough to have a /dev/kmem

Re: svn commit: r255316 - head/sys/kern

2013-09-06 Thread Jamie Gritton
On 09/06/13 12:18, Gleb Smirnoff wrote: On Fri, Sep 06, 2013 at 05:32:29PM +, Jamie Gritton wrote: J Author: jamie J Date: Fri Sep 6 17:32:29 2013 J New Revision: 255316 J URL: http://svnweb.freebsd.org/changeset/base/255316 J J Log: J Keep PRIV_KMEM_READ permitted inside jails as

Re: svn commit: r255316 - head/sys/kern

2013-09-06 Thread Gleb Smirnoff
On Fri, Sep 06, 2013 at 05:32:29PM +, Jamie Gritton wrote: J Author: jamie J Date: Fri Sep 6 17:32:29 2013 J New Revision: 255316 J URL: http://svnweb.freebsd.org/changeset/base/255316 J J Log: J Keep PRIV_KMEM_READ permitted inside jails as it is on the outside. J J Modified: J