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=-9.0 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=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 C12A9C433E4 for ; Sun, 19 Jul 2020 17:16:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A06D6208B3 for ; Sun, 19 Jul 2020 17:16:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726531AbgGSRQK (ORCPT ); Sun, 19 Jul 2020 13:16:10 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:38675 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725783AbgGSRQI (ORCPT ); Sun, 19 Jul 2020 13:16:08 -0400 Received: by mail-io1-f72.google.com with SMTP id l13so9766871ioj.5 for ; Sun, 19 Jul 2020 10:16:07 -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=uWsaInl6El+/D5enNDY+jTmOBPyNvNc8dNA1QiA0S0c=; b=PuMYN+xYZM5KUEbT7lac+I6VzBnw4UMnD3JBpvdD89SYRV5gmBP/zjzvj3X4xuVan/ DS/8tgrbqjEIGIOAmh4LZCoU2BfGtI4mUSd1+xQ0eTiuzFqy5RmcV5rk3KB8q8PVrY0r z3Ah8U2O5FKePwmj+NUPLCsBs5dJkon2jKJSSd3KsW6eq/plwHgM1thtd67OF+tRnAgc VlIA1MwSNiygOqqJDaWx7tW2j753fRk6dRjjvEaLgMM3TBjbPxBRkS46B1YAgjjhGnqH V830KpJbF21QSm9qEL2hcLGBwhDMbiVYaz+W5wjulypGJEjmhGm1hlENeKxfmaUXby7N IUvg== X-Gm-Message-State: AOAM530G9dAztnT5+vHzDYvR4EJ/oNNHPf2rm5fD2xQAfit9xTAcLDP7 ZUwcmgcFMxY4cvsWQerPh2dsIG4kV1A1yvvZkz4nf8s3gO77 X-Google-Smtp-Source: ABdhPJyqtWSRK+J0kwgjyR9dCgOB/4uCy+2pVK5gDCT/d7MyHs2xxFLVTglqQ0deuai/N8yljwZPA1Qoe/b/OkExASNGKUx+4h19 MIME-Version: 1.0 X-Received: by 2002:a92:58d6:: with SMTP id z83mr19077343ilf.186.1595178967166; Sun, 19 Jul 2020 10:16:07 -0700 (PDT) Date: Sun, 19 Jul 2020 10:16:07 -0700 In-Reply-To: <000000000000418fc105aa4243aa@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b0fb8b05aace8b8e@google.com> Subject: Re: INFO: rcu detected stall in sys_clock_settime From: syzbot To: akpm@linux-foundation.org, davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, mingo@elte.hu, netdev@vger.kernel.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vinicius.gomes@intel.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 +0000 tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=167142f0900000 start commit: e9919e11 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=157142f0900000 console output: https://syzkaller.appspot.com/x/log.txt?x=117142f0900000 kernel config: https://syzkaller.appspot.com/x/.config?x=a160d1053fc89af5 dashboard link: https://syzkaller.appspot.com/bug?extid=f3bd350a4124f10acdae syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1353c420900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130f8ef7100000 Reported-by: syzbot+f3bd350a4124f10acdae@syzkaller.appspotmail.com Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection