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

Nicolas Schier nicolas.schier at linux.dev
Thu Jul 24 06:08:58 PDT 2025


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 at kernel.org>
> ---
> Cc: Arnd Bergmann <arnd at arndb.de>
> Cc: Masahiro Yamada <masahiroy at kernel.org>
> Cc: Nathan Chancellor <nathan at kernel.org>
> Cc: Nicolas Schier <nicolas.schier at linux.dev>
> Cc: Marco Elver <elver at google.com>
> Cc: Andrey Konovalov <andreyknvl at gmail.com>
> Cc: Andrey Ryabinin <ryabinin.a.a at gmail.com>
> Cc: Ard Biesheuvel <ardb at kernel.org>
> Cc: "Gustavo A. R. Silva" <gustavoars at kernel.org>
> Cc: <linux-kbuild at vger.kernel.org>
> Cc: <kasan-dev at googlegroups.com>
> Cc: <linux-hardening at vger.kernel.org>
> ---

Acked-by: Nicolas Schier <n.schier at avm.de>



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