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_PASS,URIBL_BLOCKED autolearn=unavailable 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 643FDC10F05 for ; Sat, 23 Mar 2019 06:58:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A98F2083D for ; Sat, 23 Mar 2019 06:58:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726667AbfCWG6C (ORCPT ); Sat, 23 Mar 2019 02:58:02 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:55838 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726106AbfCWG6B (ORCPT ); Sat, 23 Mar 2019 02:58:01 -0400 Received: by mail-io1-f69.google.com with SMTP id z19so35750ioc.22 for ; Fri, 22 Mar 2019 23:58:01 -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=+jHD7zt1qXUVETzDrb4TXsejELYIvphHth1sfbXCJ4A=; b=ADv5MJw62HaxKGLXy/Y8Yi8zHBYJbdZuf1bRQ9hf36VDMghXP5UZZYkoFA4sXjE+sh h9oVhDp+Mf2SZWy98guTcC3o73QUZQEyR+89++lnXwq0svW4vhKVl/XVXGlKdLJqi35G CYlLUF+0b+uXNcHFeouh4m4e2LOS7qvWwQLmIgjG/eFdYeR9jWS0GzcWU2Bp5oyf4d7F 6wZGlbCRst8B6QLspPGdNtlRxg2E7AqHg+Z7HnN9x6MqEGPVY3mSOOmBA+lQqqJXsw1L +SGgb4c0kck3N3ldveoApe/Z0KedRkm05SK32of1RFmEXA/8QBJ8XfvTP4HVoMoSxEHt 3zsQ== X-Gm-Message-State: APjAAAXdQQZoDIIiHgtH9fh5nM8tDT8Xog8TEYPsQNsv84aF5WWA/yCI KJMFFKzp1htDf+1eEJBZ6L/tuzJEBzuQen/KXili1sDTV5Kc X-Google-Smtp-Source: APXvYqywqECM9/Qy92UXMEsDYx1iP1dfg9HZOliwz/kdC2P/qr0XuINM0xz3ri0JvJsG92CT7IWy2/Am1ma+Blh3R0ZglJZjHXnS MIME-Version: 1.0 X-Received: by 2002:a5d:8597:: with SMTP id f23mr9525256ioj.148.1553324280668; Fri, 22 Mar 2019 23:58:00 -0700 (PDT) Date: Fri, 22 Mar 2019 23:58:00 -0700 In-Reply-To: <00000000000033ebee0577262a98@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f8654a0584bd7d5d@google.com> Subject: Re: INFO: task hung in process_measurement From: syzbot To: airlied@linux.ie, dmitry.kasatkin@gmail.com, dri-devel@lists.freedesktop.org, james.l.morris@oracle.com, jmorris@namei.org, jsarha@ti.com, linux-ima-devel@lists.sourceforge.net, linux-ima-user@lists.sourceforge.net, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, serge@hallyn.com, syzkaller-bugs@googlegroups.com, tomi.valkeinen@ti.com, zohar@linux.vnet.ibm.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 8fe5616b20e5742bb5fee0e77dffe2fc76ac92a0 Author: Jyri Sarha Date: Tue Jun 14 08:43:30 2016 +0000 drm/tilcdc: Restore old dpms state in pm_resume() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10daff1b200000 start commit: 291d0e5d Merge tag 'for-linus-20180929' of git://git.kerne.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=12daff1b200000 console output: https://syzkaller.appspot.com/x/log.txt?x=14daff1b200000 kernel config: https://syzkaller.appspot.com/x/.config?x=a8212f992609a887 dashboard link: https://syzkaller.appspot.com/bug?extid=cdc562bc26a2b2b0a94f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=140e285e400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1237fe81400000 Reported-by: syzbot+cdc562bc26a2b2b0a94f@syzkaller.appspotmail.com Fixes: 8fe5616b20e5 ("drm/tilcdc: Restore old dpms state in pm_resume()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection