[PATCH 3/9] drm/i915/selftests: Annotate struct perf_series with __counted_by

Andi Shyti andi.shyti at linux.intel.com
Mon Sep 25 12:20:13 UTC 2023


Hi Kees,

On Fri, Sep 22, 2023 at 10:32:08AM -0700, Kees Cook wrote:
> Prepare for the coming implementation by GCC and Clang of the __counted_by
> attribute. Flexible array members annotated with __counted_by can have
> their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
> functions).
> 
> As found with Coccinelle[1], add __counted_by for struct perf_series.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com>
> Cc: David Airlie <airlied at gmail.com>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: John Harrison <john.c.harrison at Intel.com>
> Cc: Andi Shyti <andi.shyti at linux.intel.com>
> Cc: Matthew Brost <matthew.brost at intel.com>
> Cc: intel-gfx at lists.freedesktop.org
> Cc: dri-devel at lists.freedesktop.org
> Signed-off-by: Kees Cook <keescook at chromium.org>

Reviewed-by: Andi Shyti <andi.shyti at linux.intel.com> 

Thanks,
Andi


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