On Mon, 28 Feb 2022 13:06:04 +0000, 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 arm64 (for-next/bti), thanks!
[1/2] elf: Allow architectures to parse properties on the main executable
https://git.kernel.org/arm64/c/825b99a491ec
[2/2] arm64: Enable BTI for main executable as well as the interpreter
https://git.kernel.org/arm64/c/ddc35eb71d63
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
