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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 1D988C43381 for ; Mon, 1 Apr 2019 07:58:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBF9A20896 for ; Mon, 1 Apr 2019 07:58:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732126AbfDAH6E (ORCPT ); Mon, 1 Apr 2019 03:58:04 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:55332 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731944AbfDAH6C (ORCPT ); Mon, 1 Apr 2019 03:58:02 -0400 Received: by mail-io1-f71.google.com with SMTP id z19so7436474ioc.22 for ; Mon, 01 Apr 2019 00:58:01 -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=7EKRemsi17Qp7W2SsJHAn5hK7JPxXirxunTpAg9x/9M=; b=RwMBThtDJTz0lN3mFX89+pk7gWoKx2YSFxJHvDFSazhvlBTaY2jfHMZSBejQVNu+FU prxzXZOfDNI5VszOHWPPgDwDJoNEhFHoa73nyy1QXjyOwoslcOKW6/PoGtIfED4TPw1D NZzvOFERs00fjcq4u5ylYg9DcI8tveaDSpp07RHWNng50Oro0eZcnGg8uPq87glXFQFy 3kVzL+J1HH6WBS1Rk/n3bddjyR0QRVWIAjFT3wpuoSGBcs9jtjkJa5+M6SKWTVBqaBH8 JQ+yYHdihdnzR0NkgyM92KFuWherQSpUul4NJSdPoHgKjVPrAa1N8KLxUcxeU60F/I6s I5lQ== X-Gm-Message-State: APjAAAU21WLBJb8hl4HfIllXN5ctBxq4cICQRMz3XvDv+KQFOW0S3ZBZ 5LCve/lPIrbxnEB2+Tyr3ZZXJ4xfq2FMidoKzFnhjupwrmA5 X-Google-Smtp-Source: APXvYqztnrMIgOO7OA7/CaoNeTeMdhpTMn0H30n6IcO2ud1PkbQxL68lKuhdyzkQSodu1AG2z0DYY2zvFRJ32jtBYINRlPsJP9i8 MIME-Version: 1.0 X-Received: by 2002:a24:7bd3:: with SMTP id q202mr5412604itc.32.1554105481033; Mon, 01 Apr 2019 00:58:01 -0700 (PDT) Date: Mon, 01 Apr 2019 00:58:01 -0700 In-Reply-To: <0000000000004f7eb00570be9f92@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002402ed05857361e0@google.com> Subject: Re: WARNING in port_delete From: syzbot To: alsa-devel-bounces@alsa-project.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, mingo@redhat.com, paulmck@linux.vnet.ibm.com, perex@perex.cz, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, tiwai@suse.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 has bisected this bug to: commit 63d86a7e85f84b8ac3b2f394570965aedbb03787 Author: Paul E. McKenney Date: Tue May 1 20:08:46 2018 +0000 rcu: Convert rcu_grace_period_init tracepoint to gp_seq bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17f86d2f200000 start commit: 091a1eaa Merge branch 'akpm' git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14046d2f200000 console output: https://syzkaller.appspot.com/x/log.txt?x=10046d2f200000 kernel config: https://syzkaller.appspot.com/x/.config?x=c0af03fe452b65fb dashboard link: https://syzkaller.appspot.com/bug?extid=e4c8abb920efa77bace9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=102e2c91400000 Reported-by: syzbot+e4c8abb920efa77bace9@syzkaller.appspotmail.com Fixes: 63d86a7e85f8 ("rcu: Convert rcu_grace_period_init tracepoint to gp_seq") For information about bisection process see: https://goo.gl/tpsmEJ#bisection