Re: [PATCH v13 0/2] arm64: Enable BTI for the executable as well as the interpreter

Kees Cook
2022-04-20T16:51:45Z

On Tue, Apr 19, 2022 at 10:33:06PM -0700, Kees Cook wrote:
> On Tue, 19 Apr 2022 11:51:54 +0100, Mark Brown wrote:
> > Deployments of BTI on arm64 have run into issues interacting with
> > systemd's MemoryDenyWriteExecute feature. Currently for dynamically
> > linked executables the kernel will only handle architecture specific
> > properties like BTI for the interpreter, the expectation is that the
> > interpreter will then handle any properties on the main executable.
> > For BTI this means remapping the executable segments PROT_EXEC |
> > PROT_BTI.
> >
> > [...]
>
> Applied to for-next/execve, thanks!

Now un-applied! :)

--
Kees Cook