Re: [PATCH net-next v3 07/10] net: pktgen: fix access outside of user given buffer in pktgen_thread_write()

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To: Peter Seiderer <ps.report@xxxxxxx>
Subject: Re: [PATCH net-next v3 07/10] net: pktgen: fix access outside of user given buffer in pktgen_thread_write()
From: Simon Horman <horms@xxxxxxxxxx>
Date: Tue, 4 Feb 2025 14:45:13 +0000
Cc: netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, "David S . Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, Shuah Khan <shuah@xxxxxxxxxx>, Nam Cao <namcao@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Frederic Weisbecker <frederic@xxxxxxxxxx>, Artem Chernyshev <artem.chernyshev@xxxxxxxxxxx>
In-reply-to: <20250203170201.1661703-8-ps.report@gmx.net>

On Mon, Feb 03, 2025 at 06:01:58PM +0100, Peter Seiderer wrote:
> Honour the user given buffer size for the strn_len() calls (otherwise
> strn_len() will access memory outside of the user given buffer).
> 
> Signed-off-by: Peter Seiderer <ps.report@xxxxxxx>

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>

References:
- [PATCH net-next v3 00/10] Some pktgen fixes/improvments
  - From: Peter Seiderer
- [PATCH net-next v3 07/10] net: pktgen: fix access outside of user given buffer in pktgen_thread_write()
  - From: Peter Seiderer

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