linux-kernel - Re: [PATCH net-next v5 4/8] net: pktgen: fix mpls maximum labels list parsing

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Message-ID: <20250216135844.GE1615191@kernel.org>
Date: Sun, 16 Feb 2025 13:58:44 +0000
From: Simon Horman <horms@...nel.org>
To: Peter Seiderer <ps.report@....net>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Shuah Khan <shuah@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
	Artem Chernyshev <artem.chernyshev@...-soft.ru>,
	Nam Cao <namcao@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>
Subject: Re: [PATCH net-next v5 4/8] net: pktgen: fix mpls maximum labels
 list parsing

On Thu, Feb 13, 2025 at 12:19:16PM +0100, Peter Seiderer wrote:
> Fix mpls maximum labels list parsing up to MAX_MPLS_LABELS/16 entries
> (instead of up to MAX_MPLS_LABELS - 1).
> 
> Addresses the following:
> 
> 	$ echo "mpls 00000f00,00000f01,00000f02,00000f03,00000f04,00000f05,00000f06,00000f07,00000f08,00000f09,00000f0a,00000f0b,00000f0c,00000f0d,00000f0e,00000f0f" > /proc/net/pktgen/lo\@0
> 	-bash: echo: write error: Argument list too long
> 
> Signed-off-by: Peter Seiderer <ps.report@....net>
> ---
> Changes v4 -> v5
>   - split up patchset into part i/ii (suggested by Simon Horman)
>   - change patch description ('Fixes:' -> 'Addresses the following:',
>     suggested by Simon Horman)

Reviewed-by: Simon Horman <horms@...nel.org>