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From: Paul Moore <paul@paul-moore.com>
Date: Fri, 23 Feb 2024 14:11:22 -0500
Message-ID: <CAHC9VhSyupEj_WfD=6tFUkujqBrNS86_TVFLpb+Um=5hc2C-8w@mail.gmail.com>
Subject: Re: [PATCH] init/Kconfig: Lower GCC version check for -Warray-bounds
To: Kees Cook <keescook@chromium.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>, Lu Yao <yaolu@kylinos.cn>, 
	"Gustavo A . R . Silva" <gustavoars@kernel.org>, Nathan Chancellor <nathan@kernel.org>, 
	Christophe Leroy <christophe.leroy@csgroup.eu>, Johannes Weiner <hannes@cmpxchg.org>, 
	Andrew Morton <akpm@linux-foundation.org>, Randy Dunlap <rdunlap@infradead.org>, 
	Petr Mladek <pmladek@suse.com>, Suren Baghdasaryan <surenb@google.com>, 
	=?UTF-8?Q?Marc_Aur=C3=A8le_La_France?= <tsi@tuyoix.net>, 
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Ard Biesheuvel <ardb@kernel.org>, 
	Nhat Pham <nphamcs@gmail.com>, linux-kernel@vger.kernel.org, 
	linux-hardening@vger.kernel.org
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On Fri, Feb 23, 2024 at 12:08=E2=80=AFPM Kees Cook <keescook@chromium.org> =
wrote:
>
> We continue to see false positives from -Warray-bounds even in GCC 10,
> which is getting reported in a few places[1] still:
>
> security/security.c:811:2: warning: =E2=80=98memcpy=E2=80=99 offset 32 is=
 out of the bounds [0, 0] [-Warray-bounds]
>
> Lower the GCC version check from 11 to 10.
>
> Reported-by: Lu Yao <yaolu@kylinos.cn>
> Closes: https://lore.kernel.org/lkml/20240117014541.8887-1-yaolu@kylinos.=
cn/
> Link: https://lore.kernel.org/linux-next/65d84438.620a0220.7d171.81a7@mx.=
google.com [1]
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> Cc: Masahiro Yamada <masahiroy@kernel.org>
> Cc: Paul Moore <paul@paul-moore.com>
> Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
> Cc: Nathan Chancellor <nathan@kernel.org>
> Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> ---
>  init/Kconfig | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Thanks Kees.

Reviewed-by: Paul Moore <paul@paul-moore.com>

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