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 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 BCFE1C43603 for ; Sun, 8 Dec 2019 10:17:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F02920637 for ; Sun, 8 Dec 2019 10:17:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726474AbfLHKRC (ORCPT ); Sun, 8 Dec 2019 05:17:02 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:48583 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726044AbfLHKRC (ORCPT ); Sun, 8 Dec 2019 05:17:02 -0500 Received: by mail-il1-f197.google.com with SMTP id 4so9215133ill.15 for ; Sun, 08 Dec 2019 02:17:01 -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=k4E/mqa4W+kq1mdY2640K8IoV0aq2OgaR3MQVU5N0qw=; b=clKWcm0IfK+A7Bik4e9WnOuA3097i/47Q64OnCBSrShUFCyJsgxksG49ciF5WCPN7X GL3f1iBJPR4mAL69XLZ+z2DedS6Abyx7r6LnYERvv7HjFz+kdvLw+ObS9dDvsc0zkyko L6GcHVtlkvyxEjX3Q9reH6DrCAbhVx2d/KZ0OjfwfACDC/Q15BK6RILmi/0ul/8GfZzL O5X4gad4I+nD89JWn5XV+pHdE8ja+SG5b7MMKCFR9gVrKbf+2TmyYdas4zQGdNFqJWDl BKzA8ZY1UEeAbkAXMp8E6nUQcweiakKAFXIlyZlpESbeqDNhRiVBpfAoX7cFgKRa9aqB vQXw== X-Gm-Message-State: APjAAAW8zwy4PfH6lYe2YPyLgqJsj0XYsFlVL58V+1VDwWYzd33oj2W+ sO4izFV3Igye/+kaL5w1gCEMQbJ8+TI1e7NijTxDB27u24/d X-Google-Smtp-Source: APXvYqxTE6EZREG4LTPjlQr/Cd3zcGls/yAP2gpzh5nqfGaDzJ4084rVdEkfPj9Fp2EmOa+jCyeqD+IN0vzk7/4GuB6BqFmCa5zL MIME-Version: 1.0 X-Received: by 2002:a5d:9593:: with SMTP id a19mr16249548ioo.36.1575800221149; Sun, 08 Dec 2019 02:17:01 -0800 (PST) Date: Sun, 08 Dec 2019 02:17:01 -0800 In-Reply-To: <0000000000001282e1057e14848e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006b2f6205992e9402@google.com> Subject: Re: WARNING in perf_group_attach From: syzbot To: Kernel-team@fb.com, acme@kernel.org, acme@redhat.com, alexander.shishkin@linux.intel.com, arvid.brodin@alten.se, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, jbacik@fb.com, jolsa@redhat.com, kafai@fb.com, kernel-team@fb.com, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, rostedt@goodmis.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, torvalds@linux-foundation.org, xiyou.wangcong@gmail.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 311633b604063a8a5d3fbc74d0565b42df721f68 Author: Cong Wang Date: Wed Jul 10 06:24:54 2019 +0000 hsr: switch ->dellink() to ->ndo_uninit() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1639a42ae00000 start commit: 6fbc7275 Linux 5.2-rc7 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f6451f0da3d42d53 dashboard link: https://syzkaller.appspot.com/bug?extid=23fe48cbe532abffa52e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1758795da00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11d2fa1ba00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: hsr: switch ->dellink() to ->ndo_uninit() For information about bisection process see: https://goo.gl/tpsmEJ#bisection