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From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Kees Cook <keescook@chromium.org>, Pavel Machek <pavel@ucw.cz>
Cc: Lee Jones <lee@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Alice Chen <alice_chen@richtek.com>,
	Jacek Anaszewski <jacek.anaszewski@gmail.com>,
	ChiYuan Huang <cy_huang@richtek.com>,
	ChiaEn Wu <chiaen_wu@richtek.com>,
	kernel test robot <lkp@intel.com>,
	linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Tom Rix <trix@redhat.com>,
	linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
	linux-hardening@vger.kernel.org
Subject: Re: [PATCH] leds: mt6370: Annotate struct mt6370_priv with __counted_by
Date: Mon, 18 Sep 2023 10:27:46 +0200	[thread overview]
Message-ID: <77d5d2d2-5939-e43c-9f1c-d115274ad1ef@collabora.com> (raw)
In-Reply-To: <20230915201051.never.429-kees@kernel.org>

Il 15/09/23 22:10, Kees Cook ha scritto:
> 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 mt6370_priv.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Pavel Machek <pavel@ucw.cz>
> Cc: Lee Jones <lee@kernel.org>
> Cc: Matthias Brugger <matthias.bgg@gmail.com>
> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Cc: Alice Chen <alice_chen@richtek.com>
> Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
> Cc: ChiYuan Huang <cy_huang@richtek.com>
> Cc: ChiaEn Wu <chiaen_wu@richtek.com>
> Cc: kernel test robot <lkp@intel.com>
> Cc: linux-leds@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-mediatek@lists.infradead.org
> Signed-off-by: Kees Cook <keescook@chromium.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>



WARNING: multiple messages have this Message-ID (diff)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Kees Cook <keescook@chromium.org>, Pavel Machek <pavel@ucw.cz>
Cc: Lee Jones <lee@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Alice Chen <alice_chen@richtek.com>,
	Jacek Anaszewski <jacek.anaszewski@gmail.com>,
	ChiYuan Huang <cy_huang@richtek.com>,
	ChiaEn Wu <chiaen_wu@richtek.com>,
	kernel test robot <lkp@intel.com>,
	linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Tom Rix <trix@redhat.com>,
	linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
	linux-hardening@vger.kernel.org
Subject: Re: [PATCH] leds: mt6370: Annotate struct mt6370_priv with __counted_by
Date: Mon, 18 Sep 2023 10:27:46 +0200	[thread overview]
Message-ID: <77d5d2d2-5939-e43c-9f1c-d115274ad1ef@collabora.com> (raw)
In-Reply-To: <20230915201051.never.429-kees@kernel.org>

Il 15/09/23 22:10, Kees Cook ha scritto:
> 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 mt6370_priv.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Pavel Machek <pavel@ucw.cz>
> Cc: Lee Jones <lee@kernel.org>
> Cc: Matthias Brugger <matthias.bgg@gmail.com>
> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Cc: Alice Chen <alice_chen@richtek.com>
> Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
> Cc: ChiYuan Huang <cy_huang@richtek.com>
> Cc: ChiaEn Wu <chiaen_wu@richtek.com>
> Cc: kernel test robot <lkp@intel.com>
> Cc: linux-leds@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-mediatek@lists.infradead.org
> Signed-off-by: Kees Cook <keescook@chromium.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>



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linux-arm-kernel mailing list
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  parent reply	other threads:[~2023-09-18  8:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-15 20:10 [PATCH] leds: mt6370: Annotate struct mt6370_priv with __counted_by Kees Cook
2023-09-15 20:10 ` Kees Cook
2023-09-15 20:47 ` Gustavo A. R. Silva
2023-09-15 20:47   ` Gustavo A. R. Silva
2023-09-18  8:27 ` AngeloGioacchino Del Regno [this message]
2023-09-18  8:27   ` AngeloGioacchino Del Regno
2023-09-20 13:50 ` (subset) " Lee Jones
2023-09-20 13:50   ` Lee Jones

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