[PATCH] mtd: rawnand: sunxi: Annotate struct sunxi_nand_chip with __counted_by

Miquel Raynal miquel.raynal at bootlin.com
Fri Sep 22 07:51:24 PDT 2023


On Fri, 2023-09-15 at 20:13:01 UTC, 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 sunxi_nand_chip.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Miquel Raynal <miquel.raynal at bootlin.com>
> Cc: Richard Weinberger <richard at nod.at>
> Cc: Vignesh Raghavendra <vigneshr at ti.com>
> Cc: Chen-Yu Tsai <wens at csie.org>
> Cc: Jernej Skrabec <jernej.skrabec at gmail.com>
> Cc: Samuel Holland <samuel at sholland.org>
> Cc: Manuel Dipolt <mdipolt at robart.cc>
> Cc: linux-mtd at lists.infradead.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-sunxi at lists.linux.dev
> Signed-off-by: Kees Cook <keescook at chromium.org>
> Reviewed-by: Gustavo A. R. Silva <gustavoars at kernel.org>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel



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