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=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 AF83CC433E7 for ; Wed, 2 Sep 2020 09:32:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7AF4B2072A for ; Wed, 2 Sep 2020 09:32:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h2CCmqA0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726177AbgIBJcb (ORCPT ); Wed, 2 Sep 2020 05:32:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726173AbgIBJc3 (ORCPT ); Wed, 2 Sep 2020 05:32:29 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6DF3C061244; Wed, 2 Sep 2020 02:32:29 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id np15so1945805pjb.0; Wed, 02 Sep 2020 02:32:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=AP4GIrttqKmha4FiSPfcLXZSRJr3ax9khNPBb2oxr68=; b=h2CCmqA07O1bHhaypQFI/bi3tYl8u6LMvY0m54AwPEes2ctdO65tDrLeQlhN1j4LmR IOzVn5xWKBkJ7bOrM08d4OMUpNHw0ijDaD0lcPy//8zMz4W77lXziuydkpSbw/P1cEKt v57JlEnnnTBtfCxf6mz+oDE3NXMG6TiBUNqnlZ1k6GRs7zLow9zYisZtGp5GnMVRJqCY vKpsAbSoV9d+WudDmeQ7gURL/L2f6q6+QG8PlfBkC8MMH+RoyIA6pinBHArCJEOMRWan ACCzR+GkH6fpzoruxSCPICxuQsF+71uYlqABO0iuTvNE8/nTRF04PWamASd9zS/c7x2O kHGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=AP4GIrttqKmha4FiSPfcLXZSRJr3ax9khNPBb2oxr68=; b=flI8rouXEgZ9yZ7kJzVr8AerjxUhzplD9XzNh7wk8N8s11xMfLNV9KlsJU38GqFOgL XYpvO/kpPryPWuREWZjPgt663BhU1NxpgAvq5LXz08jWOPgS4B38hGvpqDBP/W7wzEw7 zuIEsLPvo/9Gm3bN1YF3Rz4nKcr9yhb28GLPsv/YgJbQC9HEWe+crev7DZ77xyoVA0L7 OABc5vPFqNmWDM+WRffmGioDCltO7plWVFy8DaJttn+Ns+11Fco++m+3JbeGMFEF1lmB BVdAMLDRiF1fbpQib6jbqs+JiRMPfRiudoRYe1qmSsVN5pkg9aqB8Rvggw7aY872HPGz s2aw== X-Gm-Message-State: AOAM532Lc91DM+Dgh3CEfyJGWs/BBPl/KdZgaa3wpe1sNydEteUbJscP Zn1D79B7KFY+ynXkEc3SmA== X-Google-Smtp-Source: ABdhPJyr/vwCvmpj2Bwem63GrX5mcZpO2zT8XXJ/L2HDIQKGBLAyn+mkTc0SO49lssi3A5M9Ih5ZrQ== X-Received: by 2002:a17:90b:209:: with SMTP id fy9mr1480221pjb.189.1599039148994; Wed, 02 Sep 2020 02:32:28 -0700 (PDT) Received: from localhost.localdomain ([161.117.80.159]) by smtp.gmail.com with ESMTPSA id m25sm4859286pfa.32.2020.09.02.02.32.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2020 02:32:28 -0700 (PDT) From: Peilin Ye To: hdanton@sina.com, axboe@kernel.dk, hch@lst.de, jack@suse.cz, johannes.thumshirn@wdc.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: KASAN: use-after-free Read in bdev_del_partition Date: Wed, 2 Sep 2020 05:31:43 -0400 Message-Id: <20200902093143.610218-1-yepeilin.cs@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <000000000000520ffc05ae2f4fee@google.com> References: <000000000000520ffc05ae2f4fee@google.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi all, I have sent a patch which reverts cddae808aeb7 ("block: pass a hd_struct to delete_partition") to syzbot, and it is now pending for testing: Link: https://groups.google.com/g/syzkaller-bugs/c/fnk0t9aqhDw/m/FO46-S8XAgAJ Thank you, Peilin Ye