Re: [PATCH v4 4/4] kstack_erase: Support Clang stack depth tracking

[Nicolas Schier]

On Wed, Jul 23, 2025 at 10:50:28PM -0700, Kees Cook wrote:
> Wire up CONFIG_KSTACK_ERASE to Clang 21's new stack depth tracking
> callback[1] option.
> 
> Link: https://clang.llvm.org/docs/SanitizerCoverage.html#tracing-stack-depth [1]
> Signed-off-by: Kees Cook <kees@xxxxxxxxxx>
> ---
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
> Cc: Nicolas Schier <nicolas.schier@xxxxxxxxx>
> Cc: Marco Elver <elver@xxxxxxxxxx>
> Cc: Andrey Konovalov <andreyknvl@xxxxxxxxx>
> Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
> Cc: Ard Biesheuvel <ardb@xxxxxxxxxx>
> Cc: "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx>
> Cc: <linux-kbuild@xxxxxxxxxxxxxxx>
> Cc: <kasan-dev@xxxxxxxxxxxxxxxx>
> Cc: <linux-hardening@xxxxxxxxxxxxxxx>
> ---

Acked-by: Nicolas Schier <n.schier@xxxxxx>