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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,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 8D068C072B5 for ; Wed, 22 May 2019 03:16:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5557121841 for ; Wed, 22 May 2019 03:16:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728471AbfEVDQC (ORCPT ); Tue, 21 May 2019 23:16:02 -0400 Received: from mail-it1-f198.google.com ([209.85.166.198]:44074 "EHLO mail-it1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728319AbfEVDQC (ORCPT ); Tue, 21 May 2019 23:16:02 -0400 Received: by mail-it1-f198.google.com with SMTP id o83so796704itc.9 for ; Tue, 21 May 2019 20:16:01 -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=3nIzlGw+4wszd7mCGI8udFQIKx5mXZuEZdlx7TUEr8s=; b=UIKumpIgP/N2coyPB/n489/gQ2ESSORUfeDlcky4rb8BghnkvnVuxMFnbCNNTc1x10 3BcyiVGLT+iypa2PUBtIeD3/ONKTjhGpAdCAVeS0NiSt91qftr5urfM+0X6RGjSqtzzD B/eoV5H8NZAxeRv/YRbCnByVbvV+tRxwbXJS8mhDGHbrXs1Mb1Qv/4IisBpmrrrZ2lok D/ixxQGpFp1jyU+qJYXBv+VFevMps6qRJbocznOn11CrV8Mrz5wsAH0LSvtQqTkG7Mhv FgvLaGgl94ZmvsqGZAu0nB8Ah0e2jyQQmLqWyL8aUugceNC3M5Py9dH/FGikb9KFE7/y JEmA== X-Gm-Message-State: APjAAAW6EDtLeOUTLuJAxTG1WE4j9iN7hBzwkss/GeXWdEPY0DOVY/et xFv6LEBUZ6sUQOmtXUm/Gtz3whHbUictjeChDHZU0/vBO09K X-Google-Smtp-Source: APXvYqxp+o+WQM7bTF4SCjOC36sALTlwx1QmJGZsN4sPxGpKCkBFjyv3EMuUBqqVKn8wzyZnUI3z37a7vKmMtQ7mfrLWFQqBAHmU MIME-Version: 1.0 X-Received: by 2002:a5d:9d4f:: with SMTP id k15mr7079076iok.100.1558494961163; Tue, 21 May 2019 20:16:01 -0700 (PDT) Date: Tue, 21 May 2019 20:16:01 -0700 In-Reply-To: <00000000000033a0120588fac894@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008b645c058971629b@google.com> Subject: Re: WARNING: locking bug in inet_autobind From: syzbot To: Yong.Zhao@amd.com, airlied@linux.ie, alexander.deucher@amd.com, amd-gfx@lists.freedesktop.org, ast@kernel.org, bpf@vger.kernel.org, christian.koenig@amd.com, daniel@ffwll.ch, daniel@iogearbox.net, davem@davemloft.net, david1.zhou@amd.com, dri-devel@lists.freedesktop.org, evan.quan@amd.com, felix.kuehling@amd.com, harry.wentland@amd.com, kafai@fb.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ozeng@amd.com, ray.huang@amd.com, rex.zhu@amd.com, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com, yong.zhao@amd.com, yoshfuji@linux-ipv6.org 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 c0d9271ecbd891cdeb0fad1edcdd99ee717a655f Author: Yong Zhao Date: Fri Feb 1 23:36:21 2019 +0000 drm/amdgpu: Delete user queue doorbell variables bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1433ece4a00000 start commit: f49aa1de Merge tag 'for-5.2-rc1-tag' of git://git.kernel.o.. git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=1633ece4a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1233ece4a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=fc045131472947d7 dashboard link: https://syzkaller.appspot.com/bug?extid=94cc2a66fc228b23f360 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=163731f8a00000 Reported-by: syzbot+94cc2a66fc228b23f360@syzkaller.appspotmail.com Fixes: c0d9271ecbd8 ("drm/amdgpu: Delete user queue doorbell variables") For information about bisection process see: https://goo.gl/tpsmEJ#bisection