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=1792530609; b=yts1ERZyRiasoukxPoMocgaJbwUGkWfLl51gtQnTFuZTa6kfdpExODtKYw9zcYWOZNjw 0F2C8Uz5VcZFbq2K+a7I3w0hJAIJaIlLYHbvS+MbwmsiMMs8M6hCYFpzX+bv10Xz4ExPH EvSv+b8mVLVBij05FcYJzYuyWF50+qVr+6HbityrkcD6Pu3EzL9H2FWzQ9Dpvli6Ke0r/ cCCC6XwKAPv9aPD0HeEoHJWbBRV6XOjPjMZW46Fqc9l0q48eSbx2eVXOqxddKoBEL81N9 /gonypl0SZRYXQcTjl9j6JftibLSmIhcUyqAQXBALpYXVCqIO8td7D7rwSqlZ6DQ7HQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792530609; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=/ktSwLWQExy9PPjlqWAYb5B6X43q20aXbteYHOKd9Jw=; b=ErFHgvrHxd4Xrb/yO20dAG1RgSgRfD8Whmkfw10RWQymEB9b9FzzkAeTm36X26FM2C1j pgSFnTLMUzGN3BR3ejj84jdPUvAx+ap+6pSmu4ZzFxLaxjoaythgziEjjGwwtjcEl8RLC 2z1JUGmPhGYAlpCXy7Qd8K09JIBGCHRJ6FMNx9ZrVRVp/T71hDC4RoYUXWVK8ZxljE3DN O1JP8zuPQl8zRhPFAzIDJIILu/+szJzPGYeax+KnOmO8iynd4MQIy5bYPATmy+I3mS/9q k4U5n6X+eZfuFnR1xyhOK+EBmpj0NTZ++5Vt09ZZ6xmWnS2duEbznmA30TPXc59pk0g== 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=HMj6gi6n; 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 A736B606A329 for ; Tue, 20 Oct 2026 21:10:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=HMj6gi6n Received: by smtp.kernel.org (Postfix) with ESMTPSA id 807751F000CC; Tue, 20 Oct 2026 21:10:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792530609; bh=/ktSwLWQExy9PPjlqWAYb5B6X43q20aXbteYHOKd9Jw=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=HMj6gi6nhFxbXXkYiYBBYW7Marj9e0K03H/RdA1BEVm+u7lP2a0zhowQswYRn15ol acrNnMPRLqhdY6DpDmgI4MBPGY2ssycRTpF0kKjbSJO+uZ5PC22wPsgtH2PKNHrE+X pGkHfQI1KMibpXqwVWHh2A3Jwdc8NtkkCMJcfQMe/aonqJauGfszqdmRweGvpu44YP 2uaY71Gs3Qit59KNUdIbCytE41d5VFB8Ya/oBRaIxu1on0ffPMi9ZM05P3FkOu/BvY hemL8uDACpOFTW0GbqD7x1hxYqhbxQyshXYuybR9cOBig91ykGXwE+pLXkKuOY+MCK uVRXdftQZZ9wQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 773243809A09; Tue, 20 Oct 2026 21:10:09 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] ip6mr: clear skb->cb[] in reg_vif_xmit() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179253060802.212662.8966600542568977512.git-patchwork-notify@kernel.org> Date: Tue, 20 Oct 2026 21:10:08 +0000 References: <20261017104228.3418775-1-edumazet@kernel.org> In-Reply-To: <20261017104228.3418775-1-edumazet@kernel.org> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, dsahern@kernel.org, idosch@nvidia.com, horms@kernel.org, netdev@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Sat, 17 Oct 2026 12:42:28 +0200 you wrote: > reg_vif_xmit() hands the skb to ip6mr_cache_report() as an > MRT6MSG_WHOLEPKT report. skb_realloc_headroom() copies skb->cb[] > into the report, which is queued to the mroute socket, where > rawv6_recvmsg() reads it as IP6CB. > > By the time the pim6reg device transmits the packet, skb->cb[] is > not IP6CB anymore: qdisc_pkt_len_init() overwrites iif and ra, > and any qdisc installed on the device (fq, fq_codel, pie, cake...) > or a tc BPF program writing skb->cb[] fills the area holding > dst0, srcrt, dst1, lastopt and flags. > > [...] Here is the summary with links: - [net-next] ip6mr: clear skb->cb[] in reg_vif_xmit() https://git.kernel.org/netdev/net-next/c/238164201431 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html