On Mon, Oct 23, 2017 at 03:53:00PM +0100, David Howells wrote:
> j...@suse.com wrote:
>
> > hm... patch 4 only prevents write_mem() but not read_mem().
> > Or I missed anything?
>
> Actually, yes, as it happens, patch 11 prevents you from even opening /dev/mem
> and /dev/kmem by locking down open
Hi Alexei,
Thanks for your review!
On Thu, Oct 19, 2017 at 03:18:30PM -0700, Alexei Starovoitov wrote:
> On Thu, Oct 19, 2017 at 03:52:49PM +0100, David Howells wrote:
> > From: Chun-Yi Lee
> >
> > There are some bpf functions can be used to read kernel memory:
> > bpf_probe_read, bpf_probe_wr
Hi David,
First, thanks for your help to send out this series.
On Wed, Apr 05, 2017 at 09:17:25PM +0100, David Howells wrote:
> From: Chun-Yi Lee
>
> There are some bpf functions can be used to read kernel memory:
> bpf_probe_read, bpf_probe_write_user and bpf_trace_printk. These allow
> priva
