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Message-Id: <20231016092859.289086-1-miquel.raynal@bootlin.com> Date: Mon, 16 Oct 2023 11:28:59 +0200 From: Miquel Raynal <miquel.raynal@...tlin.com> To: Kees Cook <keescook@...omium.org>, Miquel Raynal <miquel.raynal@...tlin.com> Cc: Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, "Gustavo A. R. Silva" <gustavoars@...nel.org>, Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Nicolas Ferre <nicolas.ferre@...rochip.com>, Roger Quadros <rogerq@...nel.org>, Thierry Reding <treding@...dia.com>, Yang Yingliang <yangyingliang@...wei.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, Valentin Korenblit <vkorenblit@...uans.com>, ye xingchen <ye.xingchen@....com.cn>, linux-mtd@...ts.infradead.org, linux-hardening@...r.kernel.org, Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Tom Rix <trix@...hat.com>, Heiko Stuebner <heiko@...ech.de>, linux-kernel@...r.kernel.org, llvm@...ts.linux.dev Subject: Re: [PATCH] mtd: rawnand: cadence: Annotate struct cdns_nand_chip with __counted_by On Fri, 2023-10-06 at 20:17:34 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 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 cdns_nand_chip. > > Cc: Miquel Raynal <miquel.raynal@...tlin.com> > Cc: Richard Weinberger <richard@....at> > Cc: Vignesh Raghavendra <vigneshr@...com> > Cc: "Gustavo A. R. Silva" <gustavoars@...nel.org> > Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com> > Cc: Nicolas Ferre <nicolas.ferre@...rochip.com> > Cc: Roger Quadros <rogerq@...nel.org> > Cc: Thierry Reding <treding@...dia.com> > Cc: Yang Yingliang <yangyingliang@...wei.com> > Cc: "Uwe Kleine-König" <u.kleine-koenig@...gutronix.de> > Cc: Valentin Korenblit <vkorenblit@...uans.com> > Cc: ye xingchen <ye.xingchen@....com.cn> > Cc: linux-mtd@...ts.infradead.org > Cc: linux-hardening@...r.kernel.org > Link: https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci [1] > Signed-off-by: Kees Cook <keescook@...omium.org> > Reviewed-by: Gustavo A. R. Silva <gustavoars@...nel.org> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. Miquel
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