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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 29668C43461 for ; Wed, 9 Sep 2020 16:22:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E37982080A for ; Wed, 9 Sep 2020 16:22:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="vwgyAFNF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730744AbgIIQWZ (ORCPT ); Wed, 9 Sep 2020 12:22:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730469AbgIIQWU (ORCPT ); Wed, 9 Sep 2020 12:22:20 -0400 Received: from mail-io1-xd41.google.com (mail-io1-xd41.google.com [IPv6:2607:f8b0:4864:20::d41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 823CCC0612ED for ; Wed, 9 Sep 2020 07:24:50 -0700 (PDT) Received: by mail-io1-xd41.google.com with SMTP id z25so3292394iol.10 for ; Wed, 09 Sep 2020 07:24:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=J42uWZO91Vl6z53QuSqgDQ5nEZPu3ErBMsf2V3eJXao=; b=vwgyAFNFY0Rk6tGpJrQKkFa2XORu9tkWL3MOvEnxMWQSsbJhAjs0wQkh45yfbxgWty P4LutOppwndoh6fYhlpY/FnHJ7s6roKt4SmQ4ZpkvlcGIxjeXF2o2A/OxCF6LlScMtNO sd1g73r4KiQVkYw0cr9Uby1XQGWuAPxYLmrDOkiYBuC6w2Lor4MVkXLDdEJOmCpTmfNV OooUgHeq067qTX1T/mzo/jYDU8gFVMGTX7A+wovVWcHT9Cn1BOV0cJ5c90cqkK04z5zV FQRf3f1tWU3m+KnOqKecj1nxHPOb0476pqidIdfBKhmVP8zKJt2dC5dXnsGG8kbtXB49 uuAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=J42uWZO91Vl6z53QuSqgDQ5nEZPu3ErBMsf2V3eJXao=; b=e26Ve5JGXg5sMxx9MiFKR2zBQe41h7sU+onmGoTAlD79FGHxZXi3WvxfTootceqYFT 1gDfOSE+/w82fgScr7397tpYvRydY6li5lQyfa5U5fhL+KDlACVvv1YpkeRljRddxq6G g42xQrGSd8FDKvDbnZx++7ChpdLpfgdO2I8zvC0JyGJI4eY66FSwzvnDmZ0ByprhPYIO 3ZCs1XL/CFGI2PMudOzKifMrXcQ1ETxqx0WGZkrF8mHlmioTdLgzs8kkBvqRcxVB2dZ9 oApq8rgtFVha0fmn8duCOklsNs2CGCQwEkz1UN19dQcvS+yJaOrAjlG0U3qynP7vfEpw ZeAA== X-Gm-Message-State: AOAM533Iko7lPIpblPiYkWDoDhHdXs5ylikm5Tgh/o2Iax49oWE5mjeD vkYfg1ZSoxaoDz8PJ1uiTgF8DA== X-Google-Smtp-Source: ABdhPJzw71ClM3e9xwflgpNGkqys4GZLnoSdxzDPCJW81NzzXlaCm+tbHvqOkGBBc4MqR9ZnkKGG6w== X-Received: by 2002:a02:1142:: with SMTP id 63mr4314795jaf.73.1599661486949; Wed, 09 Sep 2020 07:24:46 -0700 (PDT) Received: from [192.168.1.10] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id 2sm1457722ilj.24.2020.09.09.07.24.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Sep 2020 07:24:46 -0700 (PDT) Subject: Re: [PATCH next] io_uring: fix task hung in io_uring_setup To: Hillf Danton Cc: Pavel Begunkov , io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, syzbot+107dd59d1efcaf3ffca4@syzkaller.appspotmail.com, Stefano Garzarella , Kees Cook References: <20200903132119.14564-1-hdanton@sina.com> <9bef23b1-6791-6601-4368-93de53212b22@kernel.dk> <8031fbe7-9e69-4a79-3b42-55b2a1a690e3@gmail.com> <20200908000339.2260-1-hdanton@sina.com> <20200909001943.18916-1-hdanton@sina.com> From: Jens Axboe Message-ID: Date: Wed, 9 Sep 2020 08:24:45 -0600 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: <20200909001943.18916-1-hdanton@sina.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 9/8/20 6:19 PM, Hillf Danton wrote: > > On Tue, 8 Sep 2020 17:34:26 -0600 Jens Axboe wrote: >> On 9/7/20 6:03 PM, Hillf Danton wrote: >>> On Mon, 7 Sep 2020 06:55:04 Jens Axboe wrote: >>>> On 9/7/20 2:50 AM, Pavel Begunkov wrote: >>>>> >>>>> BTW, I don't see the patch itself, and it's neither in io_uring, block >>>>> nor fs mailing lists. Hillf, could you please CC proper lists next time? >>> >>> Yes, I can. So will I send io_uring patches with Pavel Cced. >> >> While that is nice, it should not be necessary. We need to ensure that your >> emails reach the list, that's more important than needing to CC a specific >> person, because it still means that everyone else doesn't see it. >> >> Do you get an error from vger, or does it simply not show up? > > After tapping the send button for this message, I will receive a message > from the sina mail server saying it failed to deliver it to one of the > targets (abc@vger.kernel.org), which has been happing over the past a > couple of years. One of the redhat guys, I can't remmenber his name, > once tryied to help me solve the problem, by sending somebody@vger a > message explaining what was going on, but failed. AFAIC there's a > glitch in exchanging info between the sina server and the server at the > vger end, and it seems it would take more time than thought to figure > it out. So let it be for now. Might be worthwhile to just have a gmail account for sending patches and replying to list emails? -- Jens Axboe