From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1D60378D8D for ; Fri, 11 Sep 2026 01:41:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789090870; cv=none; b=QKMASuN/bNsUALEdRoCphqbiC/KPHewp1+M229xwgQgwLqIAYyNzXt8PbY/akxmC+wZ1016yo7VM+oX6i3G9/0ci//n+MIcndv/FUaklaRNmn507P4RYeRePwd/w7aAiiOtRY6B6eKsjnQL1vvaC73Tvya9Mi46hpXfw/Z3ovUc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789090870; c=relaxed/simple; bh=tWKKdh7tAxk3wr4JVjMRn0UG2Mks6ncHUYCeSdKJGew=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=qezXrXkGBEYI26+HobGG6HowEJG4w+6rRB3l50FP1xQrd/WeZ7Y0W7O0cPl+AWGBTWIEA4msut05uT/m+JBT2flLyzA/dz7JhEpXyrcaEJFqUkdNV+L6hq29nFCGkC/IGy18CRFF2WHg0sd5hTkghxE2sl+F2VoED1CvF8SrAIc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DnYuiRLV; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DnYuiRLV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AB07F1F000FF; Fri, 11 Sep 2026 01:41:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789090868; bh=yEC1aDffHbYqRWjfBZ5anIFcPWnriKs4Aw3t4T9pvlM=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=DnYuiRLVsK6Phc5nvz0R52tPA9lIBya+VFpBRZeBoAC6oOTq57m9ulU6NpAkNw6fJ DK+5ZOwb5wq5p2OQOLyvs1qk5KEmGq37ac6v4Cv6wjP4KzxsHsaQ+oA6qJl6RmLUTR +R10SU8EbY3Rt3wul39M0MwkkzYUryHRL6TQW6zcWvg13KxQ6rPmRUsl+W+mT9E0le /2zb/SqwsO1Xw1yfquhbfaVib2Rw+Xw0619yCWix96Zcl8AtFqUKZAegbSYwRRWKwY WEJrjG4H4fXrfWewYFjunwUYL7ql0VC4wTf988Fw9gLBkhrk0IisPlv+8HiG+uSe+I kdFLbdhj2P8rA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 197AB3810901; Fri, 11 Sep 2026 01:40:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next 0/9] sit: convert configuration to RCU and lockless fill_info From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178909080588.2176188.854927325558250521.git-patchwork-notify@kernel.org> Date: Fri, 11 Sep 2026 01:40:05 +0000 References: <20260907075846.2913645-1-edumazet@google.com> In-Reply-To: <20260907075846.2913645-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, andrew+netdev@lunn.ch, idosch@nvidia.com, kuniyu@google.com, lorenzo.bianconi@oss.qualcomm.com, iprintercanon@gmail.com, netdev@vger.kernel.org, eric.dumazet@gmail.com Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski : On Mon, 7 Sep 2026 07:58:37 +0000 you wrote: > SIT (IPv6-in-IPv4) tunnel configuration and status reporting have > historically relied on the RTNL lock for synchronization. Consequently, > netlink dumps via ipip6_fill_info() had to run with RTNL held, adding > contention during network device dumps. > > At the same time, the transmit path (dev->lltx == true), tunnel lookups, > and error handling run locklessly and can race with configuration > updates. This can result in torn reads of multi-word fields (such as the > 128-bit 6RD IPv6 prefix) or transiently zeroed encapsulation parameters. > Furthermore, ipip6_tunnel_update() currently unhashes, re-hashes, and > calls synchronize_net() unconditionally, even when the tunnel endpoint > addresses (saddr and daddr) have not changed. > > [...] Here is the summary with links: - [net-next,1/9] sit: fix UAF in ipip6_tunnel_del_prl() https://git.kernel.org/netdev/net-next/c/5145bb6a2c26 - [net-next,2/9] sit: charge ip_tunnel_prl_entry allocations to memcg https://git.kernel.org/netdev/net-next/c/40a2b90f5190 - [net-next,3/9] ip_tunnel: use WRITE_ONCE in ip_tunnel_encap_setup https://git.kernel.org/netdev/net-next/c/88b84cae6b94 - [net-next,4/9] sit: annotate data-races around tunnel->fwmark https://git.kernel.org/netdev/net-next/c/b5e8eadb1c8a - [net-next,5/9] sit: convert 6RD configuration to RCU protection https://git.kernel.org/netdev/net-next/c/eaa2098a94cd - [net-next,6/9] sit: implement ipip6_get_iflink() https://git.kernel.org/netdev/net-next/c/e3434672b7ad - [net-next,7/9] sit: dynamically allocate struct ip_tunnel_parm_kern https://git.kernel.org/netdev/net-next/c/3cd52b7c0bbf - [net-next,8/9] sit: convert configuration to RCU protection https://git.kernel.org/netdev/net-next/c/0301127e4d98 - [net-next,9/9] sit: no longer rely on RTNL in ipip6_fill_info() https://git.kernel.org/netdev/net-next/c/f712bf6f17d8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html