From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5E61D215F47 for ; Tue, 8 Oct 2024 23:20:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728429625; cv=none; b=VLRQkW04wkug6xWJyjvv5HYX+WXmt7MUtNmYYyA/1F2JXjyO+JjegUTQ4yRMFqyDC+W0e2SojlL2wbSqpV/fFUODfJIweWRqpObVd64fesooz+Bac/5jwInupteUxylPFEXYfM0WlbMX85Qo9lq0dx+GaIIbVPaYbwULL9vs9Ls= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728429625; c=relaxed/simple; bh=qxum4/D0fGWlkWTPU7ym955L+T45tYB3mKkEOoEsarQ=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=F8/Ub1V8uX8VgttEfbg3W+SvdsPAEX/a4uO/1hzlgLw64902f+9U7OKknUJmdtqBdirs72FofBgVRson4c+1O95QbrNAB6jvbbR7oBeFNeaymwmrv1hPdJSXCTqyjeZczv40KbaCJzatZizKxQsMyDo2pYQjWIlSZ4gxBt9ngn0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gdEGovov; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gdEGovov" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 012A5C4CEC7; Tue, 8 Oct 2024 23:20:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728429625; bh=qxum4/D0fGWlkWTPU7ym955L+T45tYB3mKkEOoEsarQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=gdEGovovQcRQbetOqjBHYHkGXOiAa5E2GlGC20FiV+VlJbntLFNH8Fv/fK7DsgaDn 5UVE2wN7ytBeOIVSZc+qc0nBOe9EQSfGzAP+Xfn9ulzSU5Yq7Zlfq4vpD7Uw8N/EB/ gi5Fvm3Fc+Q7hOWKFECdA7iuVwKjhyqMYULhc+X51ykFXxgtBpWQyxGbRvEcAEcpWo Lgq89kkz2zczH3snf9Yt96p7a7/RyfHoh2Y+2vviUBQ/+bf+m14TMYxQYcuskf/Z+a eEfqOwtLSD8v/jbN+vBET68u1vGb6JDkWh2nLFW3/ojgSjWJ285eJB2G8rIdClRWkC rPtgiSB0vICAQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70CA43A8D14D; Tue, 8 Oct 2024 23:20:30 +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] net/sched: accept TCA_STAB only for root qdisc From: patchwork-bot+netdevbpf@kernel.org Message-Id: <172842962928.718280.6901525986104071309.git-patchwork-notify@kernel.org> Date: Tue, 08 Oct 2024 23:20:29 +0000 References: <20241007184130.3960565-1-edumazet@google.com> In-Reply-To: <20241007184130.3960565-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, netdev@vger.kernel.org, eric.dumazet@gmail.com, syzkaller@googlegroups.com, daniel@iogearbox.net Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 7 Oct 2024 18:41:30 +0000 you wrote: > Most qdiscs maintain their backlog using qdisc_pkt_len(skb) > on the assumption it is invariant between the enqueue() > and dequeue() handlers. > > Unfortunately syzbot can crash a host rather easily using > a TBF + SFQ combination, with an STAB on SFQ [1] > > [...] Here is the summary with links: - [net] net/sched: accept TCA_STAB only for root qdisc https://git.kernel.org/netdev/net/c/3cb7cf1540dd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html