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 20F47C433EF for ; Mon, 13 Sep 2021 02:50:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04AE861056 for ; Mon, 13 Sep 2021 02:50:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236942AbhIMCwM (ORCPT ); Sun, 12 Sep 2021 22:52:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236953AbhIMCwL (ORCPT ); Sun, 12 Sep 2021 22:52:11 -0400 Received: from mail-io1-xd32.google.com (mail-io1-xd32.google.com [IPv6:2607:f8b0:4864:20::d32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F80CC061574 for ; Sun, 12 Sep 2021 19:50:56 -0700 (PDT) Received: by mail-io1-xd32.google.com with SMTP id j18so10188093ioj.8 for ; Sun, 12 Sep 2021 19:50:56 -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=ThbAI+5YxnpFJqe1M2jD1J1Y+Fa7E6ZmvkAniQmhAF4=; b=orpszyoX6g9Oi0URBnBo3drRbJgLY5TFQZyavsbeJFe0o41NI6vmBtSAMpTwS2fSOA GYcj2Vzy7kQvMSB0j3X0rBdlGnsHW1e9KhEOW6hMMnJKSOrHh87AFrcL4EBcOPfzLLZp Wwf1tHH49RSWxd6i9jU4b0LG/eYU7v7VwxY64Rcsj73dSWl59IOJS1obI2RIla5wKEkW xyFNi3E/jWbOuRE/3hYA5bakI4GSnXXeyQjMglm8Kk2TwrzG6R2h+/haytE2PqXR6JI1 6cW6tZaHPPLqg6vpXOSAX+dYZ/oR81W/rwDyY/0PLpkb95PN+KqW/Nv6w/NKHfePrlBL ePDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=ThbAI+5YxnpFJqe1M2jD1J1Y+Fa7E6ZmvkAniQmhAF4=; b=AzmKO2C372ORO/h/EB1WOnLNYwPnxDtQ0Wzw7QIYS6LbekXpv6SpNWxQElVq5trAIn zgREAS9TrCeQecBjmK9Kjmz0IOsLwZybxMPN7Gq4epkalRvByvvDtROnxBFf/SIAWJjs hoC0c7BXLdcks0RCJWLBK9SB+qooIqCjJ7AjfYF9lPk/T9pcb7RZdybPI/hKpsyN5oIa 6Z8xB8cVCOUopkCJQ4Us0MjlL9GZHGRp449QcTVut8NKpbVm7RZPiwsaHe38MmjeRcyc 1pSiHzSG12A5y+WE5pQFLLWCpsL+v3lciXQBw9Dqwf1Jt4+yyZ3oWQpG0txNX25NXEtC Q9wQ== X-Gm-Message-State: AOAM530h6uWMKavst/cd87974cE+4waSu8iLu/s29bHrlqe294XFtFlY mK7NC+xLW2QOyvuQa593+Qm4wDJNz/FMFg== X-Google-Smtp-Source: ABdhPJxs4WWwYVZefB5LmjszWdfcnUu77zRi+S4z4+69IvnpCKCE45e2adAOhZdMHUkfk6RkKW45qg== X-Received: by 2002:a5d:9247:: with SMTP id e7mr7280591iol.161.1631501456083; Sun, 12 Sep 2021 19:50:56 -0700 (PDT) Received: from [192.168.1.116] ([66.219.217.159]) by smtp.gmail.com with ESMTPSA id a16sm3958547ili.64.2021.09.12.19.50.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 12 Sep 2021 19:50:55 -0700 (PDT) Subject: Re: INFO: task hung in io_uring_cancel_generic To: Hao Sun , Pavel Begunkov Cc: io-uring@vger.kernel.org, linux-kernel@vger.kernel.org References: From: Jens Axboe Message-ID: <9b5d8c00-0191-895b-0556-2f8167ab52bd@kernel.dk> Date: Sun, 12 Sep 2021 20:50:54 -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: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 9/12/21 8:26 PM, Hao Sun wrote: > Hi > > Healer found a C reproducer for this crash ("INFO: task hung in > io_ring_exit_work"). > > HEAD commit: 4b93c544e90e-thunderbolt: test: split up test cases Does this reproduce on 5.15-rc1? We had a few hang cases fixed for io-wq since that commit 6 days ago. -- Jens Axboe