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 C2977443C11 for ; Mon, 5 Oct 2026 23:30:06 +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=1791243007; cv=none; b=UfWLlUQgDnftSr2a6qEc050tUVgb1k5OMLL/FCPibzjpoQOj29R14sW04s5vpaC4zG0WfepWRfI5Opuipx2aPqxuJ7Yh/iHooEhNs/Iiz3rLKCpdMhIrbwX5fdYQvE1BFQu+EbsF+sZK+QSN/fDE/ZF6cctB5VdJLZoLUKh/izk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791243007; c=relaxed/simple; bh=DhmLatEzD2rjmdLPINlK+/6inQkxqghJtxOIbcF1JpU=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=P1M6FRpXedEIg7Sh7+bn/291x6iaeLkdDMzmN67QYM6JDVtfcK2q+2HPHhlr3Gx4ue02lApl1HPCsJWYDPSscCDxfzZoCK8JfR5X1dH+JlL60sIYoHgeCe0nSQ0NvPhH4xCmxgIYXklAhUwd0PhUyGiqb5c/i7/X8Da5YiyWByM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RnHXEblH; 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="RnHXEblH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 460F01F000FF; Mon, 5 Oct 2026 23:30:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791243006; bh=4Uuxg5FNMXPQkYNrfMaVOcepfBTv43FMsDT6pU0FuFM=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=RnHXEblHmecjOViDH0LgLoGmvxuCXX393SITiUvB+Na1+QZe82CaGrMi4MiEiFsfK /22/njx1GoFjcIvQg/h0naP0qFjtMF1kjOzsmeAsWtOgOTgp5ak/b08W0SPRSjAIci cMmK/vyiFaxYasEHUyRiTCmOmp/cOWh1TlLebfQ5lHxN0cCDmBj270JuKFqh4Ng0Qa 2VsdHKZnpke5IIG9L8wpdRY/+wGDuFDiSR7iHVWj1ja5MycxHtQ4HiaiEYW04Kjrq2 4KO5xeiiB3Bvi17XtQcXrTLXXyvkRJP5dKBHwbJBv6P5jBEmUhHn3IFY5FadLV+8z+ TO7/PZdVmWvVg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A2C0392667F; Mon, 5 Oct 2026 23:30:06 +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 v2 net] ipv4: free inet_opt and ireq_opt after an RCU grace period From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179124300502.1937173.6888058929378452446.git-patchwork-notify@kernel.org> Date: Mon, 05 Oct 2026 23:30:05 +0000 References: <20261001221253.2964024-1-edumazet@kernel.org> In-Reply-To: <20261001221253.2964024-1-edumazet@kernel.org> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, ncardwell@google.com, kuniyu@google.com, jiayuan.chen@linux.dev, edumazet@google.com, netdev@vger.kernel.org, xinyang@anthropic.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 1 Oct 2026 22:12:53 +0000 you wrote: > tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the > child socket (newinet->inet_opt) without copying it. > > Another cpu can concurrently process a retransmitted SYN for the same > request socket, and send a SYNACK from tcp_check_req(). > tcp_v4_send_synack() and inet_csk_route_req() read ireq->ireq_opt > under rcu_read_lock() only, and ip_build_and_send_pkt() and > ip_options_build() then read opt->optlen twice. > > [...] Here is the summary with links: - [v2,net] ipv4: free inet_opt and ireq_opt after an RCU grace period https://git.kernel.org/netdev/net/c/e3f33b0a1d89 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html