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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56478EE49AE for ; Wed, 23 Aug 2023 08:56:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234949AbjHWI4S (ORCPT ); Wed, 23 Aug 2023 04:56:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234904AbjHWIxc (ORCPT ); Wed, 23 Aug 2023 04:53:32 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 431B11988 for ; Wed, 23 Aug 2023 01:50:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C62FF6582A for ; Wed, 23 Aug 2023 08:50:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 0429AC433C7; Wed, 23 Aug 2023 08:50:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692780622; bh=pxRRnBzDZ/2vYB1cFW0TTmq3bLH+DeXMv2KfeXWwJf8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=VmAvzXFhpwawFU4vjFJQSFafE84E+weJiH5qvP6zdxyjDYHwQWSvPZZY/UojBZUDO NfjsNa6Ctlo6frS61P++kCCwofa+7BDrdTl7iDbuP4vvf2auxHpklSxCgXkt07ESaX ZQ7kmyjNCUuQZAw8h9NVCfyCsoggqRaDqWfN7POjN2DEWxe/sbzUHumBX+jY3XlC0p rC+OP3tjI05wBVpTZhg7IgKyZdyH16gYG2Nfbt41o+x50dSACfH9lpN8PoYsdXsIZU SyBjfQ/s2etOJizTvM2jb8kAZOhIhpu6Aip754WjckMyTKgXhIH3tbysa/YWoTxbhc ZZFeFKOT+m81Q== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id DA54AE21ED3; Wed, 23 Aug 2023 08:50:21 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2 1/1] net/sched: fix a qdisc modification with ambiguous command request From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169278062189.13745.3034926060241116473.git-patchwork-notify@kernel.org> Date: Wed, 23 Aug 2023 08:50:21 +0000 References: <20230822101231.74388-1-jhs@mojatatu.com> In-Reply-To: <20230822101231.74388-1-jhs@mojatatu.com> To: Jamal Hadi Salim Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, jiri@resnulli.us, xiyou.wangcong@gmail.com, syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org, shaozhengchao@huawei.com, syzbot+a3618a167af2021433cd@syzkaller.appspotmail.com, vladimir.oltean@nxp.com, victor@mojatatu.com, pctammela@mojatatu.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Tue, 22 Aug 2023 06:12:31 -0400 you wrote: > When replacing an existing root qdisc, with one that is of the same kind, the > request boils down to essentially a parameterization change i.e not one that > requires allocation and grafting of a new qdisc. syzbot was able to create a > scenario which resulted in a taprio qdisc replacing an existing taprio qdisc > with a combination of NLM_F_CREATE, NLM_F_REPLACE and NLM_F_EXCL leading to > create and graft scenario. > The fix ensures that only when the qdisc kinds are different that we should > allow a create and graft, otherwise it goes into the "change" codepath. > > [...] Here is the summary with links: - [net,v2,1/1] net/sched: fix a qdisc modification with ambiguous command request https://git.kernel.org/netdev/net/c/da71714e359b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html