Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp3347131imm;
        Mon, 6 Aug 2018 03:10:43 -0700 (PDT)
X-Google-Smtp-Source: AAOMgpe4wjI9ZphFPDX7V2bDEJyeamOT89kX+0eg0r1TnUpoLk2PbFq5LX9OWZ0NmB/uJoTyyXo4
X-Received: by 2002:a63:9e0a:: with SMTP id s10-v6mr13826331pgd.326.1533550243135;
        Mon, 06 Aug 2018 03:10:43 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1533550243; cv=none;
        d=google.com; s=arc-20160816;
        b=AaOXemXEf5EAVbEsClcmFOxL+R5YP4ZaR0ZS9hFk7SQaO7PvtN22vhlL8ezMSm3Ah5
         gXpAeA+YsGiF1e11ZPCUTyDSlf6MAdHupwO+nblAOvma4E/F1Ar+xSGaTC9kznWx0rZ4
         VCXvObJD5Urlm5JUbUAIbv2j5i8/HbZ4aZFF97k1At1aO4SJCAM4U1UXBxKswLngcRoE
         p35fz2EToaRY/q3UnTiURV4A9pCyWL46L9eKgnR1vZh9R5T2Wogb97dEfL33Ra2zXHU5
         yHXqzJF1aoiV/EbBeX4BG7DhjgnFNmKD1pd/VUp+ECDTqg/iXYjppQnPEC5KtE+hNHei
         1WTA==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:sender:cc:to:subject:message-id:date:from
         :in-reply-to:references:mime-version:dkim-signature
         :arc-authentication-results;
        bh=M/kbcRTyRzhy9nQ1Hf9rCViAbPBoiJtiq4R8dsHsw5Y=;
        b=kpdvc3qG98x+1RY2ByThdpRNjIsGkyv5F8yItI18p+MhHaWSK0QKMnM6szzfWKbCt7
         Zz/L+bqGXX6Xf0CnAeW4f1vGPD+Al3cVIKQYXcPDpWRF7wmdXYWzC3A0kFar0TRNPkXS
         HvHp7/0eGgaggVrIMGxJ7Xj6IN9IlOOZNX9fmk9YNt6NUO5AE9uJTqMfbX+WAMQaJpa1
         zVo5Vnmgf3xS9KMAX6LbkZZKBLr4e878RM8Zmwbxsbxk1f+f8J2rUIEeH0aMVqFxgLPi
         Yd6hL4y4Pi9am1aB1rrj3shRRwyLTp/hGnBPvtXPcdBJDuT/dND2PjGorIn3XxhYiJu2
         MOVg==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@gmail.com header.s=20161025 header.b=P6r1bmGp;
       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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67])
        by mx.google.com with ESMTP id 13-v6si10943322ple.274.2018.08.06.03.10.28;
        Mon, 06 Aug 2018 03:10:43 -0700 (PDT)
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;
       dkim=pass header.i=@gmail.com header.s=20161025 header.b=P6r1bmGp;
       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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1729233AbeHFMKp (ORCPT <rfc822;yuankui.zhao@gmail.com>
        + 99 others); Mon, 6 Aug 2018 08:10:45 -0400
Received: from mail-lf1-f45.google.com ([209.85.167.45]:42469 "EHLO
        mail-lf1-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1726746AbeHFMKp (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 6 Aug 2018 08:10:45 -0400
Received: by mail-lf1-f45.google.com with SMTP id u202-v6so8600492lff.9
        for <linux-kernel@vger.kernel.org>; Mon, 06 Aug 2018 03:02:24 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20161025;
        h=mime-version:references:in-reply-to:from:date:message-id:subject:to
         :cc;
        bh=M/kbcRTyRzhy9nQ1Hf9rCViAbPBoiJtiq4R8dsHsw5Y=;
        b=P6r1bmGp6Dqc9FbTNprL49y7djGWxKmcrIwGwtSx59nRHE/ZJLjI2+3QHoEWKFXB5l
         xIJT3kes8AVGyPHeK0LrZxBYqaoY+ttzgdw1kxoFQzgkN0NT+1M4J7oiTd9DUWxEVfqS
         7+ZdTuwZWUzZz4SLCje7udVkvcBcc3dytpBzEadMZhHz6j/mW2YBvsjv88G2Q7kx2HBQ
         eu3J4WcSPikisZJkjw5uWoPOkVbS3cjBhUuo6pe/h0WyUbzN+bYMShLYTBYaMRvTNDr7
         FLk0u5sBWt859q2v1QG0swDajKcGP4PyIrROXen73AdP1f6mwb1OcEnC4pSjrrxF6unL
         2fwg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20161025;
        h=x-gm-message-state:mime-version:references:in-reply-to:from:date
         :message-id:subject:to:cc;
        bh=M/kbcRTyRzhy9nQ1Hf9rCViAbPBoiJtiq4R8dsHsw5Y=;
        b=Zi0Yk/3/ZTvJR00WmjIIoIU/gqYfrHL/jg+TFyO1YOa/cfwYOZpEEGkdUV1yaWw0wH
         vpyvNyqk7JmQgsmFswwyMS1h8Sl9Cmu5Pb23oiStFHPnEd6J7ADEcCF2IkwBO3Jsf5gY
         6nZV9F7nPDAk3ny482bILI0mekz6vUoE51/+jXwn0hK9IXs4HezOcd/BeDvijTQpd6Vn
         +pF/81k/IGJKU1CLDbzNp6GyR7zjv+Tz5MQoLJkh+mXzsQ/Gp67sWAfLdqoaiV/x2Hke
         8904+W0AqNRmq3sDoA56XNsmf76pC4rw2EQ3xlcaWm4clmAuU2T+8a9rAmyrOndF8pt7
         VMSg==
X-Gm-Message-State: AOUpUlFKvSJucyo7gPZu1Iid8SzW89esVlcSXgJhHSTcyqWvlQQTnJw2
        wLdWlKdSVgp0izvWn4MeTsnksJ0W0HlYMCxbxf4=
X-Received: by 2002:a19:12df:: with SMTP id 92-v6mr10392495lfs.80.1533549744102;
 Mon, 06 Aug 2018 03:02:24 -0700 (PDT)
MIME-Version: 1.0
References: <0d4090532f15434aa71779e9dc8a0014@BJSGEXMBX10.didichuxing.com>
 <CAHCio2idn3oh55n7urkRPqkdyo+Y-0Qhg=Vc2VHXy2Wy2q1wiA@mail.gmail.com> <20180806060649.GA19540@dhcp22.suse.cz>
In-Reply-To: <20180806060649.GA19540@dhcp22.suse.cz>
From:   =?UTF-8?B?56a56Iif6ZSu?= <ufo19890607@gmail.com>
Date:   Mon, 6 Aug 2018 18:02:10 +0800
Message-ID: <CAHCio2j-oH2v5xY9F=Naoj9ao4cYw+LP6kqi_GELafqJ4qB6iw@mail.gmail.com>
Subject: Re: [LKP] [mm, oom] c1e4c54f9c: BUG:KASAN:null-ptr-deref_in_d
To:     mhocko@kernel.org
Cc:     Wind Yu <yuzhoujian@didichuxing.com>, rientjes@google.com,
        rong.a.chen@intel.com, Stephen Rothwell <sfr@canb.auug.org.au>,
        kirill.shutemov@linux.intel.com, aarcange@redhat.com,
        penguin-kernel@i-love.sakura.ne.jp, guro@fb.com,
        yang.s@alibaba-inc.com, akpm@linux-foundation.org,
        linux-kernel@vger.kernel.org, lkp@01.org
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi Michal
Sorry, I cannot open the link you shared.