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[23.128.96.18]) by mx.google.com with ESMTP id jp17si3672727ejb.170.2020.11.18.10.02.40; Wed, 18 Nov 2020 10:03:05 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=iVRwUUiu; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726357AbgKRR66 (ORCPT + 99 others); Wed, 18 Nov 2020 12:58:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725948AbgKRR65 (ORCPT ); Wed, 18 Nov 2020 12:58:57 -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 66771C0613D6 for ; Wed, 18 Nov 2020 09:58:56 -0800 (PST) Received: by mail-il1-x132.google.com with SMTP id y18so2749285ilp.13 for ; Wed, 18 Nov 2020 09:58:56 -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=RHM44Z31TODI36NU69HtGTSe77AacSdaBSQlZ2dh504=; b=iVRwUUiu7byXatmGf++o0AyVyDx1MQvIrJACC2AIzhZyyp8WqpUBGs14xhkns7EWjB jkFnG7cfoGjYeC3mgjgvQ8HUn9pA4Nce5vdFIgGwRSAXFTyflZttYGi8ItsadadGqGbx P0YDjf0ZigbYU/sTCc7AZ0xiMA7ALYeETcIXU+nNeNeqhVo2rKE0TU7YqPiTIOrkW3Hx i0ydrImwhfDeUxhWBLp/QeI7EsoGVYqh/CpUUuNG6iMmHLXKD5dsDp6kJf/5nJnIenyZ qcaPUcLDhuexwkaNnUljaN2XVnpAtaqxEge+e4kzSLTD3xxM6P9TygcPU1wUFKtgNlGB bKrg== 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=RHM44Z31TODI36NU69HtGTSe77AacSdaBSQlZ2dh504=; b=SQcAHYyYf6QrSy9aaXprY1/+ooMF5PyRyaQwmhLvBDMYtrcs69vPXCSiGiDDaTAVPt IVEDbQE0OvIiq+uLfTJcFd0384i9cH+2+xLllVupv3r4G3x7X/uW9R7QUCBshDXqZI0T BYMlbA/WVNPiACcOKc+c4H+kKjZmcFwYFEYT6ztr/WJWz1u3YW7pDPcF4A1dlXRYW+ni awEs4pq/8IjAOZ8O84V+0vFkNxVMpRYDuI3C4Joo2WNo5fgzrXJbFMnPHVwvSoFntTNv pcpewAhM1oLhJjN4dmajpA++CQO3g/Ukm8/pkJ4Xmk6yz/5rwumfZEoFvzDniNKsAu6i Rbwg== X-Gm-Message-State: AOAM533MbE1qdWRGGrixqxHyulLySXRR/k7CAiMwlm7fqFMp/wp5FXwA E/W67d/t4JbvYLnKjJyrmkpSMw== X-Received: by 2002:a92:5f03:: with SMTP id t3mr18332882ilb.25.1605722335675; Wed, 18 Nov 2020 09:58:55 -0800 (PST) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id o3sm13877329ilk.27.2020.11.18.09.58.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 18 Nov 2020 09:58:55 -0800 (PST) Subject: Re: INFO: task can't die in io_sq_thread_stop To: Xiaoguang Wang , syzbot , 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: <00000000000038569805b4211287@google.com> <39be8d01-6550-ee8a-5a8d-2707b372b711@linux.alibaba.com> From: Jens Axboe Message-ID: Date: Wed, 18 Nov 2020 10:58:54 -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: 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 11/17/20 8:27 PM, Xiaoguang Wang wrote: > hi, > > A gentle reminder, in case you overlooked this syzbot report. Did see it (and your reply), was hoping you'd send an actual patch for this (nudge, nudge). With luck, maybe we'll see a reproducer out of syzbot at some point too. -- Jens Axboe