linux-kernel - Re: [PATCH] kbuild: Switch from -Wvla to -Wvla-larger-than=0

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Message-ID: <20250421091233.GA21118@lst.de>
Date: Mon, 21 Apr 2025 11:12:33 +0200
From: Christoph Hellwig <hch@....de>
To: Kees Cook <kees@...nel.org>
Cc: Christoph Hellwig <hch@....de>, Masahiro Yamada <masahiroy@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	Alexander Potapenko <glider@...gle.com>,
	Andrey Konovalov <andreyknvl@...il.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nicolas Schier <nicolas.schier@...ux.dev>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>, kasan-dev@...glegroups.com,
	linux-mm@...ck.org, linux-kbuild@...r.kernel.org,
	llvm@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org, linux-sparse@...r.kernel.org,
	luc.vanoostenryck@...il.com
Subject: Re: [PATCH] kbuild: Switch from -Wvla to -Wvla-larger-than=0

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>

Note that sparse currently also can't cope with VLAs including the
prototype syntax, which also needs addressing.