Hi Muhammad
On Mon, Aug 19, 2024 at 3:05 AM Muhammad Usama Anjum
wrote:
>
> On 8/14/24 3:29 AM, Jeff Xu wrote:
> > Hi Muhammad
> >
> > On Fri, Aug 9, 2024 at 1:25 AM Muhammad Usama Anjum
> > wrote:
> >>
> >> The __NR_mmap isn't found on arm
On Mon, Aug 19, 2024 at 3:05 AM Muhammad Usama Anjum
wrote:
>
> On 8/14/24 3:29 AM, Jeff Xu wrote:
> > Hi Muhammad
> >
> > On Fri, Aug 9, 2024 at 1:25 AM Muhammad Usama Anjum
> > wrote:
> >>
> >> The __NR_mmap isn't found on armhf. The mmap()
+ Kees because this is related to W^X memfd and security.
On Fri, Jan 3, 2025 at 7:14 AM Jann Horn wrote:
>
> On Fri, Dec 6, 2024 at 7:19 PM Lorenzo Stoakes
> wrote:
> > On Thu, Dec 05, 2024 at 05:09:22PM -0800, Isaac J. Manjarres wrote:
> > > + if (is_exec_sealed(seals)) {
> >
> > A
+ 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 creating shared memory
> > regions between processes. Ashmem buffers can
On Mon, Jan 6, 2025 at 5:26 PM Isaac Manjarres
wrote:
>
> 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,
EC_SEAL
> MFD_EXEC")
> Cc: sta...@vger.kernel.org # v6.6+
> Cc: Jeff Xu
> Cc: Suren Baghdasaryan
> Cc: Kalesh Singh
> Signed-off-by: Isaac J. Manjarres
> ---
> tools/testing/selftests/memfd/memfd_test.c | 14 --
> 1 file changed, 12 insertions(+), 2 d
On Wed, Jan 8, 2025 at 5:57 AM Alice Ryhl wrote:
>
> On Tue, Jan 7, 2025 at 6:21 AM Jeff Xu wrote:
> > Do you know which code checks for VM_MAYEXEC flag in the mprotect code
> > path ? it isn't obvious to me, i.e. when I grep the VM_MAYEXEC inside
> > mm pat
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 and security.
> > >
> > > O
On Tue, Jan 14, 2025 at 3:41 PM Jeff Xu wrote:
>
> On Tue, Jan 14, 2025 at 2:42 PM Isaac Manjarres
> wrote:
> >
> > 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:
>
> >
On Tue, Jan 14, 2025 at 2:42 PM Isaac Manjarres
wrote:
>
> 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:
> Alternatively, MFD_NOEXEC_SEAL could be extended
> to prevent executable mappings, and MEMFD_NOEXEC_SCOPE_NO
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