Received: by 2002:a05:6358:45e:b0:b5:b6eb:e1f9 with SMTP id 30csp2655034rwe;
        Sun, 28 Aug 2022 18:35:20 -0700 (PDT)
X-Google-Smtp-Source: AA6agR6gdEXSl2F6OHam3V+kw3CDYug55vE7n8TTPPv1fqWwHRS7/Q239Of4tcYbDvd+p3ZFkfP9
X-Received: by 2002:a17:902:f78f:b0:174:d33d:1723 with SMTP id q15-20020a170902f78f00b00174d33d1723mr1784286pln.48.1661736920233;
        Sun, 28 Aug 2022 18:35:20 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1661736920; cv=none;
        d=google.com; s=arc-20160816;
        b=bMRFap/v5CdB0zmNRvBqle+qk58cd/pq5cp+cXa0oh/aprc0+HKXxFvCgNkJrWnCax
         hQTKKVbUaEHt+GpN1K8jfS9PLZgj9UHy/dTAPAXoBqz66LBro+p39T6WZh6JRHOSozJy
         whMPYVYtpOv0r9JR73XHSI8Eo+KkKs3pHfslUKc01yOyNHWf1ylmeW6rQ4aGZUQlCx4e
         5zhOdiu9/tzJYQLneZJVdALe092fkscIlYdvwjrIEZCVvrsZ3iIIU+C+WqiqqmI8LyO9
         1B9DXMboXHf6SYwlkTmOEIA+Kn9YEqh0zCiK81G6w8Kgh9j3pX0y/azPrwqVqsSHbxfF
         s+LQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:content-language:content-transfer-encoding
         :in-reply-to:mime-version:date:message-id:from:references:cc:to
         :dkim-signature:subject;
        bh=i1xzT3UoMLLybwcCIK6qdwfJjzYJVmGxruZr5ZqdtTM=;
        b=vMT3vS4k0wGRgFuyA3Vep/kmS97Ji+c/MfMrZcZUrHQQElK4kLZZrWawU8ahEJbimB
         3B1+Zx7HddVlQDwaFbtHI9QU2X5lbvvghnby1SEY5wCYmasfzEgaLSTu3g8aXOVd3pgR
         FVw/xIltGlgwdbn9TVwP+ZvTdR9IcioBSOJQtjrRMz4xjIxpKCQ7GfUuMbYd8o3UYP/e
         nWKice19+XqL2/pN45oApvHUKpAdNbpteJUMm3ZtjQdd6oHztMrLj9XFrexnQIoJ8+HA
         K6uIbF+foa+92ehsBUo6zxCG/Wm1dA41RTcSdaxESUk6Jyun8CI8bbgT0HRCb30R66Ma
         3ZJw==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@linux.dev header.s=key1 header.b="MWdfd/e4";
       spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.dev
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20])
        by mx.google.com with ESMTP id w190-20020a6382c7000000b0042b358412bcsi7897891pgd.510.2022.08.28.18.35.06;
        Sun, 28 Aug 2022 18:35:20 -0700 (PDT)
Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Authentication-Results: mx.google.com;
       dkim=pass header.i=@linux.dev header.s=key1 header.b="MWdfd/e4";
       spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.dev
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S229553AbiH2BZW (ORCPT <rfc822;andreykovskii@gmail.com>
        + 99 others); Sun, 28 Aug 2022 21:25:22 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36256 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S229488AbiH2BZV (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Sun, 28 Aug 2022 21:25:21 -0400
Received: from out0.migadu.com (out0.migadu.com [94.23.1.103])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0DC6248FA;
        Sun, 28 Aug 2022 18:25:19 -0700 (PDT)
Subject: Re: WARNING in md_alloc
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1;
        t=1661736317;
        h=from:from:reply-to:subject:subject:date:date:message-id:message-id:
         to:to:cc:cc:mime-version:mime-version:content-type:content-type:
         content-transfer-encoding:content-transfer-encoding:
         in-reply-to:in-reply-to:references:references;
        bh=i1xzT3UoMLLybwcCIK6qdwfJjzYJVmGxruZr5ZqdtTM=;
        b=MWdfd/e4VSJgjM2zcfeRNT5fvPiNIaPaOT00PLiyDxWeFI2Uv/G3uGHRZ7zwoY/3/haLxO
        mJfUlvGuHfy9OWBWj40qLSsYkPdM4WE90npo9fkqXskQqyXSPwQZLIzwdCfvAuWMLzMwH/
        OI46ucKraIM6aRQoopvSB0DRD8NwnGM=
To:     Jiacheng Xu <578001344xu@gmail.com>, linux-kernel@vger.kernel.org,
        axboe@kernel.dk, martin.petersen@oracle.com, mcgrof@kernel.org
Cc:     linux-block@vger.kernel.org
References: <CAO4S-meHv6Z-Wr1ZLz6j=i7fWkhPijv0CxE5JOFDWJOFH=C_3w@mail.gmail.com>
X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers.
From:   Guoqing Jiang <guoqing.jiang@linux.dev>
Message-ID: <6b49d53c-15ba-51e4-56fc-446276f6a82f@linux.dev>
Date:   Mon, 29 Aug 2022 09:25:07 +0800
MIME-Version: 1.0
In-Reply-To: <CAO4S-meHv6Z-Wr1ZLz6j=i7fWkhPijv0CxE5JOFDWJOFH=C_3w@mail.gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Content-Language: en-US
X-Migadu-Flow: FLOW_OUT
X-Migadu-Auth-User: linux.dev
X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_PASS,
        SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no
        version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi,

On 8/28/22 10:34 PM, Jiacheng Xu wrote:
> Hello,
>
> When using modified Syzkaller to fuzz the Linux kernel-5.15.58, the
> following crash was triggered.
>
> HEAD commit: 568035b01cfb Linux-5.15.58

Pls try with a recently kernel such as 5.19 or 6.0-rc3.

Thanks,
Guoqing