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From: Jakub Kicinski <kuba@kernel.org>
To: Jiayuan Chen <jiayuan.chen@linux.dev>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
	andrew+netdev@lunn.ch, davem@davemloft.ne, edumazet@google.com,
	pabeni@redhat.com, horms@kernel.org, ricardo@marliere.net,
	viro@zeniv.linux.org.uk, dmantipov@yandex.ru,
	aleksander.lobakin@intel.com, linux-ppp@vger.kernel.org,
	linux-kernel@vger.kernel.org, mrpre@163.com,
	syzbot+853242d9c9917165d791@syzkaller.appspotmail.com
Subject: Re: [PATCH net-next v1 1/1] ppp: Fix KMSAN warning by initializing 2-byte header
Date: Thu, 20 Feb 2025 15:27:03 -0800	[thread overview]
Message-ID: <20250220152703.619bf1c9@kernel.org> (raw)
In-Reply-To: <20250218133145.265313-2-jiayuan.chen@linux.dev>

On Tue, 18 Feb 2025 21:31:44 +0800 Jiayuan Chen wrote:
> -		*(u8 *)skb_push(skb, 2) = 1;
> +		*(u16 *)skb_push(skb, 2) = 1;

This will write the 1 to a different byte now, on big endian machines.
Probably doesn't matter but I doubt it's intentional?
-- 
pw-bot: cr

  reply	other threads:[~2025-02-20 23:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-18 13:31 [PATCH net-next v1 0/1] ppp: Fix KMSAN uninit-value warning Jiayuan Chen
2025-02-18 13:31 ` [PATCH net-next v1 1/1] ppp: Fix KMSAN warning by initializing 2-byte header Jiayuan Chen
2025-02-20 23:27   ` Jakub Kicinski [this message]
2025-02-21  1:48     ` Jiayuan Chen
2025-02-25  9:32       ` Simon Horman

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