On Mon, Jan 06, 2025 at 09:35:09AM -0800, Jeff Xu wrote:
> + Kees because this is related to W^X memfd and security.
>
> On Fri, Jan 3, 2025 at 7:04 AM Jann Horn wrote:
> >
> > On Fri, Jan 3, 2025 at 12:32 AM Isaac J. Manjarres
> > wrote:
> > > Android currently uses the ashmem driver [1] for cr
On Fri, Jan 03, 2025 at 04:03:44PM +0100, Jann Horn wrote:
> On Fri, Jan 3, 2025 at 12:32 AM Isaac J. Manjarres
> wrote:
> > Android currently uses the ashmem driver [1] for creating shared memory
> > regions between processes. Ashmem buffers can initially be mapped with
> > PROT_READ, PROT_WRITE,
On Fri, Dec 06, 2024 at 09:14:58PM +, Lorenzo Stoakes wrote:
> On Fri, Dec 06, 2024 at 12:48:09PM -0800, Isaac Manjarres wrote:
> > On Fri, Dec 06, 2024 at 06:19:49PM +, Lorenzo Stoakes wrote:
> > > On Thu, Dec 05, 2024 at 05:09:22PM -0800, Isaac J. Manjarres wrote:
>
On Fri, Dec 06, 2024 at 09:49:35AM -0800, Kalesh Singh wrote:
> On Thu, Dec 5, 2024 at 5:09 PM Isaac J. Manjarres
> wrote:
> > --- a/mm/mmap.c
> > +++ b/mm/mmap.c
> > @@ -375,6 +375,17 @@ unsigned long do_mmap(struct file *file, unsigned long
> > addr,
> > if (!file_mmap_ok(file,
On Fri, Dec 06, 2024 at 06:19:49PM +, Lorenzo Stoakes wrote:
> On Thu, Dec 05, 2024 at 05:09:22PM -0800, Isaac J. Manjarres wrote:
> > diff --git a/mm/mmap.c b/mm/mmap.c
> > index b1b2a24ef82e..c7b96b057fda 100644
> > --- a/mm/mmap.c
> > +++ b/mm/mmap.c
> > @@ -375,6 +375,17 @@ unsigned long do
On Thu, Jan 09, 2025 at 03:30:36PM -0800, Jeff Xu wrote:
> On Wed, Jan 8, 2025 at 11:06 AM Lorenzo Stoakes
> wrote:
> >
> > On Mon, Jan 06, 2025 at 04:44:33PM -0800, Kees Cook wrote:
> > > On Mon, Jan 06, 2025 at 10:26:27AM -0800, Jeff Xu wrote:
> > > > + Kees because this is related to W^X memfd
On Tue, Jan 14, 2025 at 01:29:44PM -0800, Kees Cook wrote:
> On Tue, Jan 14, 2025 at 12:02:28PM -0800, Isaac Manjarres wrote:
> > I think the main issue in the threat model that I described is that
> > an attacking process can gain control of a more priveleged process.
>
>
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