From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2A037CD37AD for ; Tue, 3 Sep 2024 20:11:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Date:Message-Id:From:Subject:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=eAojFAT3ba3n2wnIcj5YA7EMjuQSkflQk3mevZ8OoEs=; b=laLk9VX+VhFLTm+TokqdC2/4bm AYMpl6LpoAFVdwVV7CCs6SfWqfqaP38JpKHTnwH7ltxuRz1PvQ1qFlkZps5DOjyLziiojl724tF/y tgQL3hfHu+VqWuwDZ0rm1YoHKotZ8lgWjanVYDp6xGW/X/2+l3e376J/t5caLMYPITtoRbYwOSqi+ 7sm1TDkZonN4KEe58I4I6Hu0CyAHtFmRs4ZCLyhnltuPNXjLuiTZElmFbvzgY6d/+P8slxvS917cz TFMzDdAYACTM1Ou+cq7tJKRljtkjkqeSmaiMK31qiGu6pDLrBW+qoOV2i27ydI83D45MMRgi9tliZ cqD36/EQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slZs9-00000001iEM-0fTG; Tue, 03 Sep 2024 20:11:29 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1slZrC-00000001hyH-1hNg; Tue, 03 Sep 2024 20:10:31 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 38EE35C5647; Tue, 3 Sep 2024 20:10:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4384FC4CEC4; Tue, 3 Sep 2024 20:10:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725394229; bh=Gw0IBZUNC2LELFePtOPc07moZnDlfXuC4n8LfF7pvzU=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ixWllNYlPxV1drLcJ6si72tTxEd7GRY8zYsO2uGb8/oFrVS2IZ9nQD7XN5xS9b/GY JBSuk1ELBOIp9Ik9gy+7U2jNl7+xNpRRhSNOd9YSUl4XrTCizUuzKmSVJiwSsXZBqY UXHmJMmDbeiOuIdC1XCwdNTyc2cxZKMNYlazw/wmSV2jmyzQ0iGUDsDl0EH8g/fOFP 9vGwg2CBV2lKNO41vooZQ/XlEF5+0zPTlG4gV9HOM2JyFkyFC5F/9RehYKcgYnTNA9 2TH7pHX7RuO/qrhuMw2ctg4xypmAh05jlDWZyKB9BclnSUq4OuSOYHAXjCdvJOvSiJ Ybark54rrOPag== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 342A63805D82; Tue, 3 Sep 2024 20:10:31 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v5] bpf, net: Fix a potential race in do_sock_getsockopt() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <172539423002.426047.5750436407367309589.git-patchwork-notify@kernel.org> Date: Tue, 03 Sep 2024 20:10:30 +0000 References: <20240830082518.23243-1-Tze-nan.Wu@mediatek.com> In-Reply-To: <20240830082518.23243-1-Tze-nan.Wu@mediatek.com> To: Tze-nan Wu Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, ast@kernel.org, sdf@fomichev.me, alexei.starovoitov@gmail.com, bobule.chang@mediatek.com, wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, kuniyu@amazon.com, chen-yao.chang@mediatek.com, yanghui.li@mediatek.com, cheng-jui.wang@mediatek.com, daniel@iogearbox.net, john.fastabend@gmail.com, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org, haoluo@google.com, jolsa@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240903_131030_504931_18586C8D X-CRM114-Status: UNSURE ( 9.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 30 Aug 2024 16:25:17 +0800 you wrote: > There's a potential race when `cgroup_bpf_enabled(CGROUP_GETSOCKOPT)` is > false during the execution of `BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN`, but > becomes true when `BPF_CGROUP_RUN_PROG_GETSOCKOPT` is called. > This inconsistency can lead to `BPF_CGROUP_RUN_PROG_GETSOCKOPT` receiving > an "-EFAULT" from `__cgroup_bpf_run_filter_getsockopt(max_optlen=0)`. > Scenario shown as below: > > [...] Here is the summary with links: - [net,v5] bpf, net: Fix a potential race in do_sock_getsockopt() https://git.kernel.org/netdev/net/c/33f339a1ba54 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html