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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F210DC433FE for ; Fri, 26 Nov 2021 15:46:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354330AbhKZPtm (ORCPT ); Fri, 26 Nov 2021 10:49:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378079AbhKZPrl (ORCPT ); Fri, 26 Nov 2021 10:47:41 -0500 Received: from mail-io1-xd2b.google.com (mail-io1-xd2b.google.com [IPv6:2607:f8b0:4864:20::d2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D772C0613F8 for ; Fri, 26 Nov 2021 07:39:23 -0800 (PST) Received: by mail-io1-xd2b.google.com with SMTP id v23so11838264iom.12 for ; Fri, 26 Nov 2021 07:39:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=274Q/ZAR2tJK2tvrv6ob2tLr8yiaidfzpxRndGsg+Jw=; b=VILeHlJ58UYc/45Jyz0QIBZo5je0NWjHDkZc7Slj4nmZOkq6P9/xbXke7Q6zWVZgzf CdLMHgGoDy106GlBIwv2PFCrXX+tgUca/8EOoPwZtCvKd4zegO0F6GNS7HcYk1bZP6Uy mmRZobVs87Hzz8vPEtgioM6q2d8jILrAX3DsYAGmJs8rjaPVoLul2LYqBuEpPkPthAh9 ViT8VqvN+rGLebfFYA2FPFY5EypgOjJOSjaFNrKCo++oaZ6sUgIvJ056hmk9ZD6qBmId N6N094YWVL3jf6GCAk8gdXH0V3ylTxFhBLfvU88u5Cfjr8NWh3OJNgs0zCJEzo2tjHpC mbnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=274Q/ZAR2tJK2tvrv6ob2tLr8yiaidfzpxRndGsg+Jw=; b=8E/sRBZqWzJHR2Ar6/CNR8oQ/OA/clDmdsXNA108FSkDxMtZR0iGc+4grbTatVZhzm xL9M7PA86jGbD7i5Og19DCO12ljw0XkD4T7nIoK5By9pSpUsbBPiLY0HWAwBhaOkNPCs urPn/bDVWAOWJ1NNwlb2b5fFsfpEyR6HSwORahTL3Mwv+ror/iJDrM8QT8wWQB5r8tTT zf0uXmAvEKP+3suf9s4jaaddOxRROLTm3lF1RuNtdodW5Ug4+f4sdbm0eyRTKifU3dCF KzR6vN7RIN46HqTyq11M9o5/G3616jBeGjrFgwG8E6Qm7hKE2lFsEoERFyAuD01fbqfj fj9g== X-Gm-Message-State: AOAM533CbLIjh6RvWzR2xM34O4xAKLmGNZDRIUhz+fKsi9rUEZfXmWqX yEgHAL4UWdeoZUVk4YbA/RtsN24XJvy8aI9i X-Google-Smtp-Source: ABdhPJzQdGcpJo8sMqqf55R9qprT9dw8UY5pSjpXa2ITLDMJZDJcUG2UlSUi12nSVpKZxN+fVT8//Q== X-Received: by 2002:a05:6638:3182:: with SMTP id z2mr41736223jak.134.1637941162695; Fri, 26 Nov 2021 07:39:22 -0800 (PST) Received: from [192.168.1.116] ([66.219.217.159]) by smtp.gmail.com with ESMTPSA id a4sm3367274ild.52.2021.11.26.07.39.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Nov 2021 07:39:22 -0800 (PST) Subject: Re: [syzbot] inconsistent lock state in io_poll_remove_all To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000c7ba4b05d1adb200@google.com> From: Jens Axboe Message-ID: Date: Fri, 26 Nov 2021 08:39:20 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <000000000000c7ba4b05d1adb200@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 11/26/21 2:27 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: a4849f6000e2 Merge tag 'drm-fixes-2021-11-26' of git://ano.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=11162e9ab00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=bf85c53718a1e697 > dashboard link: https://syzkaller.appspot.com/bug?extid=51ce8887cdef77c9ac83 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > Unfortunately, I don't have any reproducer for this issue yet. > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+51ce8887cdef77c9ac83@syzkaller.appspotmail.com #syz fix io_uring: fix link traversal locking -- Jens Axboe