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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 2FAE6C432C0 for ; Mon, 25 Nov 2019 22:37:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C8C320740 for ; Mon, 25 Nov 2019 22:37:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726975AbfKYWhC (ORCPT ); Mon, 25 Nov 2019 17:37:02 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:46791 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725912AbfKYWhC (ORCPT ); Mon, 25 Nov 2019 17:37:02 -0500 Received: by mail-il1-f200.google.com with SMTP id i74so14951254ild.13 for ; Mon, 25 Nov 2019 14:37:01 -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=KF2WjshW1BDTUg/k+IPUzgQidO5NFBNVVgPRIj2C55w=; b=OSUQ1wkQ005w1suvCOJLDcpIIR7HHq9GS6T0bsQtvPM5ifq9CqCvuK0PPiRxq7ykmj rRBx4DJo7akDmcGyyxmLQEuor3sj2TeGdS9xhp1ekjasI9gJ6l4Zb6C7+yNFXYlbNieW IdMNXB1FfMjBK4Jenru4COwLe+37SzO3/ZWro3vadLeHY6Wp8UAnaDAk3IEVhRrqddjJ +BNEafdl+I7sEDtcA83xWpdsOICc/kkZnDD6ruvW46z0d9WsuOCwKwrxpUYlkrDSoAgX O5w1YvLaNTwjLKTBOTIn9zVw3GCBHXvHWZxdJZ2kMyVmk3S77X60JM1u9As4b4Jmqnu9 7sKg== X-Gm-Message-State: APjAAAUZglhIIf/mv0yQ4F4Z4QWIRhjydPb30150h8UQjEaXEOd3F0KS +M8NIt6cjus1LKjnxbckAFCBxNHExWBscqjUYZZ1TUk6ELYM X-Google-Smtp-Source: APXvYqwkBCex2KWBU45kzK7k9hy1eCU109ihsuTepJ0sQfsiJS80DmXhz/QeEsCiIwZ7ccJ1gnEjc/wJIBydu3gOime4bUB5ZGcg MIME-Version: 1.0 X-Received: by 2002:a05:6602:2181:: with SMTP id b1mr29243849iob.208.1574721421577; Mon, 25 Nov 2019 14:37:01 -0800 (PST) Date: Mon, 25 Nov 2019 14:37:01 -0800 In-Reply-To: <000000000000a52337056b065fb3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f4160705983366e8@google.com> Subject: Re: WARNING in md_ioctl From: syzbot To: airlied@linux.ie, chris@chris-wilson.co.uk, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, rafael.antognolli@intel.com, rodrigo.vivi@intel.com, shli@kernel.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 4b6ce6810a5dc0af387a238e8c852e0d3822381f Author: Rafael Antognolli Date: Mon Feb 5 23:33:30 2018 +0000 drm/i915/cnl: WaPipeControlBefore3DStateSamplePattern bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13aeb522e00000 start commit: c61a56ab Merge branch 'x86-urgent-for-linus' of git://git... git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=106eb522e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=17aeb522e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=4013180e7c7a9ff9 dashboard link: https://syzkaller.appspot.com/bug?extid=1e46a0864c1a6e9bd3d8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16bca207800000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14819a47800000 Reported-by: syzbot+1e46a0864c1a6e9bd3d8@syzkaller.appspotmail.com Fixes: 4b6ce6810a5d ("drm/i915/cnl: WaPipeControlBefore3DStateSamplePattern") For information about bisection process see: https://goo.gl/tpsmEJ#bisection