On Wed, Sep 18, 2019 at 01:17:13PM -0500, Larry Finger wrote:
> The external module is vboxdrv, which is part of VirtualBox. The setting of
> pages to be executable appears to have been added in kernel 2.4.20.
>
> I am now testing with the former calls to set_pages_x() and set_pages_nx()
> disabl
On 9/18/19 12:53 PM, Linus Torvalds wrote:
On Wed, Sep 18, 2019 at 10:50 AM Larry Finger wrote:
Is there approved way for pages to be set to be executable by an external module
that would not be a security issue?
Point to what external module and why.
Honestly, the likely answer is simply "
On Wed, Sep 18, 2019 at 10:50 AM Larry Finger wrote:
>
> Is there approved way for pages to be set to be executable by an external
> module
> that would not be a security issue?
Point to what external module and why.
Honestly, the likely answer is simply "no". Why would an external
module ever
On Wed, Sep 18, 2019 at 12:49:56PM -0500, Larry Finger wrote:
> Is there approved way for pages to be set to be executable by an external
> module that would not be a security issue?
There is approved way for modules to set kernel code executable,
because well they shouldn't. And as stated many
On 9/18/19 11:45 AM, Christoph Hellwig wrote:
On Wed, Sep 18, 2019 at 11:41:21AM -0500, Larry Finger wrote:
In commit 185be15143aa ("x86/mm: Remove set_pages_x() and set_pages_nx()"),
the wrappers were removed as they did not provide a real benefit over
set_memory_x() and set_memory_nx(). This c
On Wed, Sep 18, 2019 at 11:41:21AM -0500, Larry Finger wrote:
> In commit 185be15143aa ("x86/mm: Remove set_pages_x() and set_pages_nx()"),
> the wrappers were removed as they did not provide a real benefit over
> set_memory_x() and set_memory_nx(). This change causes a problem because
> the wrappe
6 matches
Mail list logo
