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 X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DATE_IN_PAST_03_06, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1E3CC32792 for ; Mon, 30 Sep 2019 21:46:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 904BF2053B for ; Mon, 30 Sep 2019 21:46:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732250AbfI3Vqf (ORCPT ); Mon, 30 Sep 2019 17:46:35 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:39188 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726992AbfI3VqZ (ORCPT ); Mon, 30 Sep 2019 17:46:25 -0400 Received: from localhost (unknown [IPv6:2601:601:9f00:1e2::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 00D55154361D7; Mon, 30 Sep 2019 11:08:48 -0700 (PDT) Date: Mon, 30 Sep 2019 11:08:48 -0700 (PDT) Message-Id: <20190930.110848.1999516357100146209.davem@davemloft.net> To: eric.dumazet@gmail.com Cc: edumazet@google.com, netdev@vger.kernel.org, syzkaller@googlegroups.com Subject: Re: [PATCH net] sch_cbq: validate TCA_CBQ_WRROPT to avoid crash From: David Miller In-Reply-To: <0b0ed452-c576-df5a-2420-2185e75e32e0@gmail.com> References: <20190927012443.129446-1-edumazet@google.com> <20190927.205524.1304517574378068070.davem@davemloft.net> <0b0ed452-c576-df5a-2420-2185e75e32e0@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 30 Sep 2019 11:08:49 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eric Dumazet Date: Fri, 27 Sep 2019 12:57:45 -0700 > > > On 9/27/19 11:55 AM, David Miller wrote: >> From: Eric Dumazet >> Date: Thu, 26 Sep 2019 18:24:43 -0700 >> >>> syzbot reported a crash in cbq_normalize_quanta() caused >>> by an out of range cl->priority. >> ... >>> Signed-off-by: Eric Dumazet >>> Reported-by: syzbot >> >> Fixes: tag? -stable? >> > > I guess I feel always a bit sad to add : > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Please always add it.... so that we can cry together. Applied and queued up for -stable, thanks.