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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 722A0C433E1 for ; Sun, 21 Mar 2021 21:32:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3767061944 for ; Sun, 21 Mar 2021 21:32:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231362AbhCUV0P (ORCPT ); Sun, 21 Mar 2021 17:26:15 -0400 Received: from mail-pj1-f54.google.com ([209.85.216.54]:40767 "EHLO mail-pj1-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230167AbhCUV0K (ORCPT ); Sun, 21 Mar 2021 17:26:10 -0400 Received: by mail-pj1-f54.google.com with SMTP id a22-20020a17090aa516b02900c1215e9b33so9356449pjq.5; Sun, 21 Mar 2021 14:26:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=0iamQhREoLz4yBTZ1ac4df91aNQ8GHtf/WoDk/3WJ7o=; b=sxUcnHfbX2QQz4bFtJOqUDSrKvM8STDfC90kgoIZzZOx+ulBr8xVfZqPSY7+9uourS 2NfpEhP4FBOIE9tFRLQEadlkVlCIG9BEyi0gVUumuYCccb0F0lusPhgg+/sKTBBxTS3r /3mG+XPkTOzG0neqsp9T2Q6wUOOup8lL68AL8nC6Mf/uChFgkSG8+IJjRkn3ZyqX1QOL NAlT5IYwSemu+D8IH0AvrCPu6QVbEd2hNd+7B7oFg86Bu+SGmn8JlaqzsBB2PN137/QO NTi7gxGLqG+MdNNe3GfjEX0FFMNiZTypUP7myYEUph+oEzOOaFVCMGYpIc4TZ1cC9GG4 BIRA== X-Gm-Message-State: AOAM531aHdSJ4QcfZCDVZPMcwMUM7/hrhR7LM6+edv9mFcDVaQJK1DQD u48wO8ea+o/3t+Hi1Qw2CV4tMHlbKUE= X-Google-Smtp-Source: ABdhPJxBYX3cfQlW+9TXDGgYilDA2rXayowMbW3ZqGmlFDGOE2zxgvxrS2qAmngN6wahKWveqXBYbg== X-Received: by 2002:a17:90a:a4cb:: with SMTP id l11mr9648060pjw.144.1616361969509; Sun, 21 Mar 2021 14:26:09 -0700 (PDT) Received: from ?IPv6:2601:647:4000:d7:17e0:fd07:e626:199? ([2601:647:4000:d7:17e0:fd07:e626:199]) by smtp.gmail.com with ESMTPSA id l19sm11320534pjt.16.2021.03.21.14.26.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 21 Mar 2021 14:26:08 -0700 (PDT) Subject: Re: [syzbot] KASAN: use-after-free Read in disk_part_iter_next (2) To: syzbot , axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <00000000000053da9405bd7d2644@google.com> From: Bart Van Assche Message-ID: Date: Sun, 21 Mar 2021 14:26:06 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <00000000000053da9405bd7d2644@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/14/21 4:08 AM, syzbot wrote: > syzbot found the following issue on: > > HEAD commit: 280d542f Merge tag 'drm-fixes-2021-03-05' of git://anongit.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=15ade5aed00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=952047a9dbff6a6a > dashboard link: https://syzkaller.appspot.com/bug?extid=8fede7e30c7cee0de139 #syz test: https://github.com/bvanassche/linux a5f35387ebdc