From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794436655; b=jJBJBdzhsru/KBA1QhGjXAbu0FZcFje2h4LdxZiR5owCQDVp4XmuXzu0KGkzKKg8znRY 6jdDol3e+f14OlMVYjAxgM4TL4cXKaUt8wh2bJKqLuokuqKRHSd+pFFVsB2jF2xEKIOOW truPCYE+4RNGyZgSN/bRlMleXjnAUeKNvzG56o8N2MTRJAzqhXrSD/YqXbXc6c63FwwqL I09hiWaI2yt69zyLH5Rnzuc91BcjlvKPKUVhQT6RrKAdyF0SS3PedDCz2K+uyAYY1EUL2 1G49sdD5JlAX/hVs5Fjj5ZKN2rNtCK5xOHF3mo1Y7WT87SnxYNvoZPmgIV3eOIoTAXQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794436655; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=A3RtMOJFfy+vAv7ZRp5Bx//dsvOVbj5s6n6hxHY1wW0=; b=TdTdJ1XK6+TO6t8Ka61gyFsAtMKKOY7q2qXyfeZQ+hEfkAI8podNbo4r7Ei42Y7Yw20t r9Ck11h9jfhJuTyuC7AJ+tTqjgTImELqdocIHdNIUZEYBT/KjbQtIxyj3udoEqhuSk4Vm h2pURTyBf9CYBDnyhIJD8ORzuPdeK+xrAs3fEtUlnWV+AHXTuZWIzUYpz8B6kSgt16ybk x9W+G2cLYawCl+v3e5Aolpp5Ir1JI8IyxNj7lpnHDfu+A2H/6ZlP1I+EDT2R1Ck0uqFva jE9IdAlTU1nQsV2yH3AjV38JrruqykWBEixwsiEvMoDnH20DkPHt0mhvbjVLeHQRf0g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=TZqxvBGV; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 81BE7606A8AB; Wed, 11 Nov 2026 22:37:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=TZqxvBGV Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0FDCB1F00A06; Wed, 11 Nov 2026 22:37:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794436655; bh=A3RtMOJFfy+vAv7ZRp5Bx//dsvOVbj5s6n6hxHY1wW0=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=TZqxvBGV2iuroyyAZYdFql8VA1YInqb8JEashR9rUwvhYxQ8enAIvCqHEARMicfu3 MF/yLB6xJhAUevs6+9mOWRLS89EHyWGY7PAMPfvZxpkQH2vhh+Q5y751xY2pueBkuX jcmhL2/qFzPynDitdWnTxCaenLFdcHr3fwiiW7hR00xYYihxjRqWDuQ8vta9MDZZZe 8uMQ+UQlE4xqFaXtlVjaWTRO+yMJzvBRaZJIC0tDmzqMM5AhNEJ19OjY5AsDvORnyx qIfdx776I32l+0q77NJV2xEEAVIoXFG2W68INXqbyzgbMo2Q8WQQDdN7bcKc0eNg5d NhcgQSRnBP88g== Date: Wed, 11 Nov 2026 14:37:34 -0800 From: Jakub Kicinski To: Hangbin Liu Cc: Justin Iurman , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Hangbin Liu , Sashiko Subject: Re: [PATCH net v3] ipv6: ioam6: do not modify shared tuninfo eh.nexthdr Message-ID: <20261111143734.2c57061a@kernel.org> In-Reply-To: <20261109-ipv6_ioam_lock-v3-1-a86195859d1e@kylinos.cn> References: <20261109-ipv6_ioam_lock-v3-1-a86195859d1e@kylinos.cn> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 09 Nov 2026 10:52:25 +0800 Hangbin Liu wrote: > + ((struct ipv6_opt_hdr *)skb_transport_header(skb))->nexthdr = hdr->nexthdr; Please use a temp variable.. -- pw-bot: cr