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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 EC6A2C4361B for ; Tue, 15 Dec 2020 17:39:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B395822ADC for ; Tue, 15 Dec 2020 17:39:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730825AbgLORjB (ORCPT ); Tue, 15 Dec 2020 12:39:01 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:44753 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731350AbgLORin (ORCPT ); Tue, 15 Dec 2020 12:38:43 -0500 Received: by mail-io1-f69.google.com with SMTP id a1so14239642ioa.11 for ; Tue, 15 Dec 2020 09:38:28 -0800 (PST) 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=0OLNIQyK8a72e/CXENRYrk13L6iFjI2wtKw1eTofk+Q=; b=GqgSf8HNF3TldggfH39gR/NZhqhQOsuFHOY5Rti3HVkeRK5NBSBJQkUWpp2p2NjC9A G+JZq4BJ08kjJDar8HV/W4y4JAA/bJIFnIh38K0iEEpGjTI3QkymGr6L4cVfzciDo6i8 erHuqWLPXzcse/SQNAAor6kP2ylJaMEF210JpZW7+dLJc4YlP8Es8rZ1SHIsAge/LwT0 dqyfsZ+PqNAmZVNyzilG9g98VjBnpnmelDA7XvEEz5E9uRejVLXOZjAglEdo7QZA0/bp yowPATOlwa3TPpOZLEZKuTM6AX5qNHoTZPiIg3Wb1JMabXVDayJ/4+MHXMtk/LEvF04k sfFg== X-Gm-Message-State: AOAM53184XFmcSxIYlloMkBQQSp9mURlTdYQQFX+JAiCmB0KmVzTbbPT X1SuTBsvb9R5XvsURUZzQn90XNBfw88m7OGRhkK4QgMjKRfx X-Google-Smtp-Source: ABdhPJz79w/Ax+6EdXIoCXGIwQP1O5JGuVGnUMkE31v73NzNq2fiI6IerHlZnSlI9W+AYO0hQI+5T3uSDxZ6mhsb4jAfKLHLZIPS MIME-Version: 1.0 X-Received: by 2002:a6b:3b92:: with SMTP id i140mr38166000ioa.49.1608053882696; Tue, 15 Dec 2020 09:38:02 -0800 (PST) Date: Tue, 15 Dec 2020 09:38:02 -0800 In-Reply-To: <000000000000bd226505b67d9989@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000753add05b6843897@google.com> Subject: Re: general protection fault in taprio_dequeue_soft From: syzbot To: davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, vinicius.gomes@intel.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit b5b73b26b3ca34574124ed7ae9c5ba8391a7f176 Author: Vinicius Costa Gomes Date: Thu Sep 10 00:03:11 2020 +0000 taprio: Fix allowing too small intervals bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13c8eadf500000 start commit: 7f376f19 Merge tag 'mtd/fixes-for-5.10-rc8' of git://git.k.. git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=1028eadf500000 console output: https://syzkaller.appspot.com/x/log.txt?x=17c8eadf500000 kernel config: https://syzkaller.appspot.com/x/.config?x=3416bb960d5c705d dashboard link: https://syzkaller.appspot.com/bug?extid=8971da381fb5a31f542d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=128c5745500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a1f123500000 Reported-by: syzbot+8971da381fb5a31f542d@syzkaller.appspotmail.com Fixes: b5b73b26b3ca ("taprio: Fix allowing too small intervals") For information about bisection process see: https://goo.gl/tpsmEJ#bisection