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Message-ID: <ZRF6/VBgVvgl6lpn@ashyti-mobl2.lan>
Date: Mon, 25 Sep 2023 14:20:13 +0200
From: Andi Shyti <andi.shyti@...ux.intel.com>
To: Kees Cook <keescook@...omium.org>
Cc: David Airlie <airlied@...il.com>,
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Subject: Re: [PATCH 3/9] drm/i915/selftests: Annotate struct perf_series with
__counted_by
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@...ux.intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi@...el.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
> Cc: David Airlie <airlied@...il.com>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: Chris Wilson <chris@...is-wilson.co.uk>
> Cc: John Harrison <john.c.harrison@...el.com>
> Cc: Andi Shyti <andi.shyti@...ux.intel.com>
> Cc: Matthew Brost <matthew.brost@...el.com>
> Cc: intel-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Kees Cook <keescook@...omium.org>
Reviewed-by: Andi Shyti <andi.shyti@...ux.intel.com>
Thanks,
Andi
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