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 B29DF20513C for ; Tue, 29 Oct 2024 18:40:27 +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=1730227228; cv=none; b=aqEo7Ll8cZcrNkd/oiaS6MMn9sujLcMttcBHIKx2frhckQ5nWoS9KTtAjqvA3VxagKGJ/sLBXga7G9zX52+i1lFjv5S4f7kHf2o4YQMiZitTxX0CuJ+L8acenWTJ9cPfpHxmWoUSCa5xV4Pxuc3auT8cOPZKlz2/uYEnHEdpql4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730227228; c=relaxed/simple; bh=m0lwmNQTDVvoyeWvHVowKOrqJBf+VfnAycukgGK+nQ4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=KTYJDPyRyacagksZstKlLaSJrsGfj8OAUO3k32YRNAxNSCnCBMUwB6nNiTbmXS4kbjEHmSFnfMU8afy7FCNTSgy8lE+n7EoTjqdHHpnjzKeIzHbtrCGmMqyULs5/hhbXer++VDNjcWCguVmguIkD3ZSBUCiPuCyGicBzE5sAdK0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p/VCZh1+; 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="p/VCZh1+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2896FC4CEE4; Tue, 29 Oct 2024 18:40:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730227227; bh=m0lwmNQTDVvoyeWvHVowKOrqJBf+VfnAycukgGK+nQ4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=p/VCZh1+DORzvVZVV8HIfGQuC1Ml6y3XoSX/cibatrNHzN53YINb+hZzePM16Sqq8 URlhOCo8vlcOGBi5zXZrz5ow3Po5DcHGYDlKI02vNklCVU56PPu/HQkyEHr8jXKu+L 1Pd/JL74BHVTQ1REQEoiGbBONnVmDPdp695+rtVSrtpJCHWqm0zdKA7O+Mq8bDFi0j B4GOWwdwnAMAfR+20HivIXXc0RpHc+WaPaUqBNyYEl8e1TA8BIXKBswL5WpTi6Op5l ue9dirgPsVRdXmKBautBd2hNyhoeq3ue9RcbR2ls1TbOlckqF3RE/lA8AyKmes3XWO ywbG5h+JwHsYA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id EADCF380AC08; Tue, 29 Oct 2024 18:40:35 +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-n] net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT From: patchwork-bot+netdevbpf@kernel.org Message-Id: <173022723476.784474.8433648139537058569.git-patchwork-notify@kernel.org> Date: Tue, 29 Oct 2024 18:40:34 +0000 References: <20241024165547.418570-1-jhs@mojatatu.com> In-Reply-To: <20241024165547.418570-1-jhs@mojatatu.com> To: Jamal Hadi Salim Cc: netdev@vger.kernel.org, markovicbudimir@gmail.com, victor@mojatatu.com, pctammela@mojatatu.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, xiyou.wangcong@gmail.com, jiri@resnulli.us Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 24 Oct 2024 12:55:47 -0400 you wrote: > From: Pedro Tammela > > In qdisc_tree_reduce_backlog, Qdiscs with major handle ffff: are assumed > to be either root or ingress. This assumption is bogus since it's valid > to create egress qdiscs with major handle ffff: > Budimir Markovic found that for qdiscs like DRR that maintain an active > class list, it will cause a UAF with a dangling class pointer. > > [...] Here is the summary with links: - [net-n] net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT https://git.kernel.org/netdev/net/c/2e95c4384438 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html