[PATCH v5 0/2] Fix bugs and performance of kstack offset randomisation

[Kees Cook]

On Tue, 03 Mar 2026 15:08:37 +0000, Ryan Roberts wrote:
> [Kees; I'm hoping this is now good-to-go via your hardening tree? It would be
> good to get some linux-next testing.]
> 
> Hi All,
> 
> As I reported at [1], kstack offset randomisation suffers from a couple of bugs
> and, on arm64 at least, the performance is poor. This series attempts to fix
> both; patch 1 provides back-portable fixes for the functional bugs. Patch 2
> proposes a performance improvement approach.
> 
> [...]

Sorry for the delay! Applied to for-next/hardening, thanks. :)

[1/2] randomize_kstack: Maintain kstack_offset per task
      https://git.kernel.org/kees/c/37beb4256016
[2/2] randomize_kstack: Unify random source across arches
      https://git.kernel.org/kees/c/a96ef5848cb0

Take care,

-- 
Kees Cook