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[209.132.180.67]) by mx.google.com with ESMTP id s128si9140878oig.204.2019.12.23.02.32.06; Mon, 23 Dec 2019 02:32:17 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726832AbfLWKbD (ORCPT + 99 others); Mon, 23 Dec 2019 05:31:03 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:39243 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726709AbfLWKbD (ORCPT ); Mon, 23 Dec 2019 05:31:03 -0500 Received: by mail-il1-f197.google.com with SMTP id n6so14047150ile.6 for ; Mon, 23 Dec 2019 02:31:01 -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=dqTElktPjJ2Vq8ttJgKuJA9Bl554Cdxgp9MbKD3t3zo=; b=R+asB4as90j8xADcuopzZg2JLrzbnG2FBeb2boU953GRxANc97GO/MduJi64D4+e9X t1LjIFNdxMSswx9y2MMsgN4LuZ/548BFLHwlc5pi0gDDTGPY4FfQcBn6NbGRRyAtVRLe LGAeCWMPE++x7te7gws3TyQuA2IYZO1P9XzQDH1Q2pwYLePdPD2q0V7GQwi6OOWlf8+m omwMBDX+c5dq7KMTMN0dgBKGAp7DBbSiyblZKIgSjbzsE+udIcvua4ydYWEpZuFTpyox glRG0Ms7EidqsnQOf8IcD9/3OuceYVcsoz85xcs7NjietfogPlXusYcw2i7McwY4xSDK fbAw== X-Gm-Message-State: APjAAAXgQ9ozaVe7XXjyOOicNgGEsyZt9toLWmVvB3KMHtOruhHGbQGn bZAy3m+/0hZpRFVWYWeKpXyhDOY5bg7SA2kmiGdtVO8raiVJ MIME-Version: 1.0 X-Received: by 2002:a02:7086:: with SMTP id f128mr22175027jac.12.1577097061494; Mon, 23 Dec 2019 02:31:01 -0800 (PST) Date: Mon, 23 Dec 2019 02:31:01 -0800 In-Reply-To: <00000000000082b80f059a56da1f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002074ef059a5c86e2@google.com> Subject: Re: INFO: task hung in fb_release From: syzbot To: Rex.Zhu@amd.com, airlied@linux.ie, alexander.deucher@amd.com, amd-gfx@lists.freedesktop.org, b.zolnierkie@samsung.com, christian.koenig@amd.com, daniel.vetter@ffwll.ch, david1.zhou@amd.com, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, rex.zhu@amd.com, sam@ravnborg.org, syzkaller-bugs@googlegroups.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 e3933f26b657c341055443103bad331f4537b113 Author: Rex Zhu Date: Tue Jan 16 10:35:15 2018 +0000 drm/amd/pp: Add edit/commit/show OD clock/voltage support in sysfs bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12b5a799e00000 start commit: c6017471 Merge tag 'xfs-5.5-fixes-2' of git://git.kernel.o.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=11b5a799e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=16b5a799e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=7f6119e2e3675a73 dashboard link: https://syzkaller.appspot.com/bug?extid=d130c4a0890561cfac5b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=169b1925e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12b9623ee00000 Reported-by: syzbot+d130c4a0890561cfac5b@syzkaller.appspotmail.com Fixes: e3933f26b657 ("drm/amd/pp: Add edit/commit/show OD clock/voltage support in sysfs") For information about bisection process see: https://goo.gl/tpsmEJ#bisection