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,DKIM_SIGNED, DKIM_VALID,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 DC629C433E0 for ; Mon, 1 Mar 2021 15:29:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9254964DF5 for ; Mon, 1 Mar 2021 15:29:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237216AbhCAP2m (ORCPT ); Mon, 1 Mar 2021 10:28:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237144AbhCAP2i (ORCPT ); Mon, 1 Mar 2021 10:28:38 -0500 Received: from mail-il1-x132.google.com (mail-il1-x132.google.com [IPv6:2607:f8b0:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 117B1C06178B for ; Mon, 1 Mar 2021 07:27:52 -0800 (PST) Received: by mail-il1-x132.google.com with SMTP id v14so3794639ilj.11 for ; Mon, 01 Mar 2021 07:27:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=DdFL9dv5FlNh4UKRITwsOIwvbfnu7gb18YnUFz26l/0=; b=xjgRupqf3/3TcUXdxJK+/IZX8Wuqg+HsDA1mct9PgU0wXTiAtKZYlejuLH5H9BNVtl Jg/x7xmgUtWLxdgS/EAgvVE0dji4dBYgVb7JrNlLPFhNHOtAjBA20o5/S/hNknlIE/F9 6ZVG56M3BsWr7+kr6snk1lXK1Hl09/f8ysWdhqSLY7om6jeONe6D7mjtQWPIlLEXKsQ9 ol9xLM0X7ExjWyHZRnF7Ps6tCVfRWsHnofO9iiV26ualJnx96Rm0TNThhW/MyQjGXaxu hE3Rnzerrws9K01OhkeT94ZHUYs/5oIofc65nF/2eMqPbWayHeMji6XE3e3FAOBHKENG Zsow== 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=DdFL9dv5FlNh4UKRITwsOIwvbfnu7gb18YnUFz26l/0=; b=dWn+d+JiCIqwcfZ7wokRbmmr03qV132M/WcvDl2jVRCvDA4Mogg6La74JKI0oIepUV Xjt4xpOKadHqe4I8tDWIkYdDdrsnbtH5eNYhAfvyEtUYaVqaNaX1hOebvCg1pgpCunC+ AauCoXPdT2rwaAUNZ138mn+lwW4n4eWSJlrpanlD4uGVWH3o/P9Bbn0q636sq1bztisE wlWgorhxoWGAbV7or2wI76FMvkUY+UTvVdVObnZzxn4dosi3XyGGd3CuPUHcWfsCBvnI Var/nLpX62ZGm7dbiA3MBahTLfWIgn9x8BUtqCz1JuidNAK1X3VNWZUbstqrrNXr4/uH e29Q== X-Gm-Message-State: AOAM531ZfdFS/zIvlwwa0/+VqADMA6PYNOLpFHZQC2Icjuyk0dUq6nfB T3vpGrqC4IuiAB6ZIWJsHN0Lcw== X-Google-Smtp-Source: ABdhPJz3/0R3Miyqd0Y0ZP5esnHp98pmqfCMATrESRtlyeMyBy5DVnsnrC3JIqZMOKdg7IeW1dZRfQ== X-Received: by 2002:a05:6e02:1a82:: with SMTP id k2mr13897266ilv.155.1614612471432; Mon, 01 Mar 2021 07:27:51 -0800 (PST) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id c16sm9313175ils.2.2021.03.01.07.27.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 Mar 2021 07:27:50 -0800 (PST) Subject: Re: possible deadlock in io_poll_double_wake (2) To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk References: <000000000000a52fb105bc71e7b8@google.com> From: Jens Axboe Message-ID: <4c4caf8a-47e6-f112-f307-94fe0a622ff5@kernel.dk> Date: Mon, 1 Mar 2021 08:27:50 -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: <000000000000a52fb105bc71e7b8@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 #syz test: git://git.kernel.dk/linux-block syzbot-test -- Jens Axboe