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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 908E8C3A59C for ; Fri, 16 Aug 2019 12:32:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7273D20644 for ; Fri, 16 Aug 2019 12:32:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727259AbfHPMcB (ORCPT ); Fri, 16 Aug 2019 08:32:01 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:34718 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726981AbfHPMcB (ORCPT ); Fri, 16 Aug 2019 08:32:01 -0400 Received: by mail-io1-f70.google.com with SMTP id u84so3123913iod.1 for ; Fri, 16 Aug 2019 05:32:01 -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=wryiOfAG/Vz/DIYvCN28nq1K6mp/nU+skMXU68jljsg=; b=OLG0iQ8+N/xlDNHp1WiY+Edaw6EQ042WbioUyDK+tUlLob5VHgyHfUDMWrfmKsr8c/ 4E0ziNjne3qa+Oz6Uop8uWjskfVXeEhDRdf1yn1ejxaSYkxbCYKj9uiGKVYnZ37zltCp KtDXjh5V18NorYrY/zdlNTdZY9w4CMfI4odQAv2ILkK4uDMBnOFv4EaP6wZhZhN+25Go 3E6HWq5z6Dq0DLV37GECtxLIWK1ITTHUfmUbxk/nfUG60SSbq10/wzeliqMWq9tJTJes 9luHMcjuzRm9GuHNZLa7/GoiCqXOQGBBcgpqnUgaJDveIpO8TVL8hl2SxGYW6zs1W8D2 bAkw== X-Gm-Message-State: APjAAAUpSYlDvTjQRMolox0HR668Xs5XlDoVQULQjf16hqP14JWgRkHS lvD65Y+yw0+P+PBsiCCQP4aLevWeI6/f/m4rRVP0vOVIX7HD X-Google-Smtp-Source: APXvYqwVJZ1Ky9uvJUxacOGklcVPT1U9nm8gtTHrxo5JaCS/yJtbc56F1jQsb9fE/hCBKAGguMun8qINwfLvsNNf8Go2W64uQ/Eb MIME-Version: 1.0 X-Received: by 2002:a02:a703:: with SMTP id k3mr10331137jam.12.1565958720687; Fri, 16 Aug 2019 05:32:00 -0700 (PDT) Date: Fri, 16 Aug 2019 05:32:00 -0700 In-Reply-To: <000000000000ab6f84056c786b93@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000479a1705903b2dc9@google.com> Subject: Re: WARNING in tracepoint_probe_register_prio (3) From: syzbot To: antoine.tenart@bootlin.com, ard.biesheuvel@linaro.org, baruch@tkos.co.il, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, gustavo@embeddedor.com, jeyu@kernel.org, linux-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, maxime.chevallier@bootlin.com, mingo@kernel.org, netdev@vger.kernel.org, paulmck@linux.ibm.com, paulmck@linux.vnet.ibm.com, rmk+kernel@armlinux.org.uk, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de 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 ecb9f80db23a7ab09b46b298b404e41dd7aff6e6 Author: Thomas Gleixner Date: Tue Aug 13 08:00:25 2019 +0000 net/mvpp2: Replace tasklet with softirq hrtimer bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ffb9ee600000 start commit: ecb9f80d net/mvpp2: Replace tasklet with softirq hrtimer git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=100079ee600000 console output: https://syzkaller.appspot.com/x/log.txt?x=17ffb9ee600000 kernel config: https://syzkaller.appspot.com/x/.config?x=d4cf1ffb87d590d7 dashboard link: https://syzkaller.appspot.com/bug?extid=774fddf07b7ab29a1e55 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11b02a22600000 Reported-by: syzbot+774fddf07b7ab29a1e55@syzkaller.appspotmail.com Fixes: ecb9f80db23a ("net/mvpp2: Replace tasklet with softirq hrtimer") For information about bisection process see: https://goo.gl/tpsmEJ#bisection