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Date: Thu, 30 Nov 2023 15:57:55 -0600
From: "Gustavo A. R. Silva" <>
To: Kees Cook <>,
 "Gustavo A. R. Silva" <>
Cc: Masahiro Yamada <>,
 Nathan Chancellor <>,
 Nick Desaulniers <>,
 Nicolas Schier <>,,,
Subject: Re: [PATCH][next] init: Kconfig: Disable -Wstringop-overflow for

On 11/30/23 15:07, Kees Cook wrote:
> On Thu, Nov 30, 2023 at 02:52:10PM -0600, Gustavo A. R. Silva wrote:
>> -Wstringop-overflow is buggy in GCC-11. Therefore, we should disable
> Can you add some links for this? For example, maybe this?
> Or discussions from -next builds?

Done. :)

>> this option specifically for that compiler version. To achieve this,
>> we introduce a new configuration option: GCC11_NO_STRINGOP_OVERFLOW.
>> The compiler option related to string operation overflow is now managed
>> under configuration CC_STRINGOP_OVERFLOW. This option is enabled by
>> default for all other versions of GCC that support it.
>> Signed-off-by: Gustavo A. R. Silva <>
> But yeah, let's get this landed to keep new warnings from appearing...

I just applied this to my -next tree.

> Reviewed-by: Kees Cook <>


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