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=-14.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,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 C69B2C433ED for ; Sat, 8 May 2021 14:17:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 939EC61426 for ; Sat, 8 May 2021 14:17:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229515AbhEHOS3 (ORCPT ); Sat, 8 May 2021 10:18:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229500AbhEHOS3 (ORCPT ); Sat, 8 May 2021 10:18:29 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34CDDC061574; Sat, 8 May 2021 07:17:27 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id z6so12043191wrm.4; Sat, 08 May 2021 07:17:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=H3c5ec7McH5Zt4hIpHC+Y3YBw9oxk9RjSdvboac24Mk=; b=cI9frh2jqh7zWEi4uhTuc4yKutnoTEH+9cpqpZbeqkuzr4YHNyxvur0Wm1h+hOlxIB GdjfrTA0xoeOvMyML0J41fabzDhp66p0ckS+RHFDNDdJ6H3ZcV8J+1uoYwrS0L0jRlrC 4kzSuSU4egJLjzrIZ+ItBsSWHczvYcoiYbmy3KYEMPOp5e+z4OpAMz/MNkxMn1YH7+Uy sPYu9AudF8DtmK6+Zvgbv1zA0Oh9ZRWe8r1+PtUWm3diPfzfdiXfm3KpMfx7ogI/AsCh 8BzgqY4Cx5OrCjWfVvkvkmXEnJQh3cEytOgFJGdOHkKuCSXfG+KHfvAGt3gVGnVG1oxM 3fgw== 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=H3c5ec7McH5Zt4hIpHC+Y3YBw9oxk9RjSdvboac24Mk=; b=IKS+Cut80tnonXJOt7hWj1jE8o3tLJ6jiX5C6qAd0amE+lw3+hHFIAAbxjJzGnQBou F9xk7k1PYjZTXA+4/WE3ILsel9Lk3m3r5K/25Fs7f6X4Yc0pvw/mD16tBEqCmU2nYrO4 l/KxMDnx4Hn0PZC8uGX6ojT2GUb6hd/vWj5BVZhVR9TEROQ9sA8yZYtPA8hs4Ozz2YkW hhv0zyeUeDw4M0Uexx0319FVHCqgYRauk1A54iQGLBUvb5z3euixLl88M1aEJ4ES6lib NQJF4XQw6BcEh6y1iudqmZm9rLtd0pEZblexJMpQErewa4W1rDEDGII9ZlWPM3fO0Auj SS0w== X-Gm-Message-State: AOAM531e40olD6DOGJHttoGT0sd2mYsLDKN77s15HD+N3Ro5pU+K5zro c8RKi1gZJHKQStIQ4XwLRlk= X-Google-Smtp-Source: ABdhPJyLdig4xicDV+GKZswgYqckgYoB7vw2Ow/WK44uKVYYamhRUA9+gdBrs/5G2QKJCc+xwFoRcQ== X-Received: by 2002:a5d:660c:: with SMTP id n12mr19405903wru.87.1620483445776; Sat, 08 May 2021 07:17:25 -0700 (PDT) Received: from [192.168.8.197] ([148.252.132.80]) by smtp.gmail.com with ESMTPSA id f25sm13693750wrd.67.2021.05.08.07.17.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 08 May 2021 07:17:25 -0700 (PDT) Subject: Re: [syzbot] INFO: task hung in __io_uring_cancel To: syzbot , axboe@kernel.dk, 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: <00000000000004f05705c1c86547@google.com> From: Pavel Begunkov Message-ID: Date: Sat, 8 May 2021 15:17:19 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <00000000000004f05705c1c86547@google.com> 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 5/8/21 3:35 AM, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger any issue: > > Reported-and-tested-by: syzbot+47fc00967b06a3019bd2@syzkaller.appspotmail.com > > Tested on: > > commit: 50b7b6f2 x86/process: setup io_threads more like normal us.. > git tree: git://git.kernel.dk/linux-block io_uring-5.13 > kernel config: https://syzkaller.appspot.com/x/.config?x=5e1cf8ad694ca2e1 > dashboard link: https://syzkaller.appspot.com/bug?extid=47fc00967b06a3019bd2 > compiler: > > Note: testing is done by a robot and is best-effort only. > #syz fix: io_uring: fix work_exit sqpoll cancellations -- Pavel Begunkov