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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 76DD0C4332F for ; Sun, 8 Sep 2019 12:33:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5AA1F2081B for ; Sun, 8 Sep 2019 12:33:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729179AbfIHMdD (ORCPT ); Sun, 8 Sep 2019 08:33:03 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:41575 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726393AbfIHMdC (ORCPT ); Sun, 8 Sep 2019 08:33:02 -0400 Received: by mail-io1-f72.google.com with SMTP id t8so14310366iom.8 for ; Sun, 08 Sep 2019 05:33:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=Dlrt7nF+QMrAeB++A6Ck3UTmsUjVxvwblcY1dMvaVGw=; b=Ttj0iT8383RBoixsxJi4rLlfoc5SDM4HtPR6zAnZVbNv9ejd029hqStmR4vEDpr1Nz yZ7Tha1NdMa6mmDo/lBThgUmwcAZ9d4LNUA5Ts4jlyyA1dgV/QK/Nwjgk9DI1osqtOKW 1LWy+1s6U1rjMYLAkBrrmuEtGxN8Q/FTJP3AEQZKnZPmk4jMFYt4xYxFhPrH5LPKn6Iw CrP66lzJfirLaYIQaINQKvqw90YFoNIDGO1DR94YkR3Zw/XnJCY2i6tUDl4EXYuBpWkK +Ebk0HOj36o9NVpo32cfuOD0RU/3sex42j2d7xJjYA0DLP8SGLBmCE2UPM+mM9y8JbfF 9cFg== X-Gm-Message-State: APjAAAWQViFmeJzFsPcsTef7rgBOLmzZBI0/42i0u/szmvcOEaV9EK0W C0ppsdDA8ZVzM6LDKuCyakgTI1HzlCxl3yTe8QfYA5j7mOy/ X-Google-Smtp-Source: APXvYqxLRIrArmm5jACs2Lrk6VJ5eg+Ycgp5MA+m/Uphdu7Qq3nvbW1MwZilaMC6yRKZe3KSnSSU1qER9VS/0ttQsNbDjxeHCSFq MIME-Version: 1.0 X-Received: by 2002:a05:6638:a12:: with SMTP id 18mr16975290jan.123.1567945980605; Sun, 08 Sep 2019 05:33:00 -0700 (PDT) Date: Sun, 08 Sep 2019 05:33:00 -0700 In-Reply-To: <000000000000d2a5c60592047e58@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000337872059209df41@google.com> Subject: Re: general protection fault in cbs_destroy From: syzbot To: davem@davemloft.net, hdanton@sina.com, jhs@mojatatu.com, jiri@resnulli.us, leandro.maciel.dorileo@intel.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, vedang.patel@intel.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit e0a7683d30e91e30ee6cf96314ae58a0314a095e Author: Leandro Dorileo Date: Mon Apr 8 17:12:18 2019 +0000 net/sched: cbs: fix port_rate miscalculation bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=158f3c01600000 start commit: 3b47fd5c Merge tag 'nfs-for-5.3-4' of git://git.linux-nfs... git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=178f3c01600000 console output: https://syzkaller.appspot.com/x/log.txt?x=138f3c01600000 kernel config: https://syzkaller.appspot.com/x/.config?x=144488c6c6c6d2b6 dashboard link: https://syzkaller.appspot.com/bug?extid=3a8d6a998cbb73bcf337 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17998f9e600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10421efa600000 Reported-by: syzbot+3a8d6a998cbb73bcf337@syzkaller.appspotmail.com Fixes: e0a7683d30e9 ("net/sched: cbs: fix port_rate miscalculation") For information about bisection process see: https://goo.gl/tpsmEJ#bisection