netdev - Re: clang: net: qed_main.c:1227:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 18 [-Werror,-Wfortify-source]

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Message-ID: <2023082853-ladylike-clanking-3dbb@gregkh>
Date: Mon, 28 Aug 2023 16:52:03 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: clang-built-linux <llvm@...ts.linux.dev>,
	linux-stable <stable@...r.kernel.org>, lkft-triage@...ts.linaro.org,
	Netdev <netdev@...r.kernel.org>, David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Sasha Levin <sashal@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: clang: net: qed_main.c:1227:3: error: 'snprintf' will always be
 truncated; specified size is 16, but format string expands to at least 18
 [-Werror,-Wfortify-source]

On Mon, Aug 28, 2023 at 05:57:38PM +0530, Naresh Kamboju wrote:
> [My two cents]
> 
> stable-rc linux-6.1.y and linux-6.4.y x86 clang-nightly builds fail with
> following warnings / errors.
> 
> Build errors:
> --------------
> drivers/net/ethernet/qlogic/qed/qed_main.c:1227:3: error: 'snprintf'
> will always be truncated; specified size is 16, but format string
> expands to at least 18 [-Werror,-Wfortify-source]
>  1227 |                 snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
>       |                 ^
> 1 error generated.
> 
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Is this also an issue in 6.5?

thanks,

greg k-h