Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp3901611pxv; Mon, 19 Jul 2021 11:31:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzvjguF2XlS7gKq2K7iyQ+0/t1Enx6CJWiEZ2+YEvME8bPKq5koSms297ScpMnV/ENfTcca X-Received: by 2002:a17:906:1299:: with SMTP id k25mr28197752ejb.139.1626719376882; Mon, 19 Jul 2021 11:29:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626719376; cv=none; d=google.com; s=arc-20160816; b=IUxh03z997cio1r1DjuzaiV/y2udmAfdhrCbONqmRs2cEs9C3qjQxlmsQGLz05gShR A++l6/fMZQvaX4AN5Y1RYRqnk3IJD551BkzV2Ev64ccbBsz+W2lmIlWtj4H8dSDXFw9V bXDR1P7rJdW0scPmvELiZ8tjvtPyj0IMr1y98NHjborA3ZNz2TmTyqcvzn9+8qB9XSov nWIIZ3iy6n4/9IJ/ZmKyQNOyP/g8MkXM+1dNeXBS/7ukxc6sRTgD1rKcc+tsqwqqb9LY OUlT1D+P9m/swvRAqhSctLSmjfu4ZBEBXyXaD8KqM0Ezu5byuWQ3zu+2oh5oo34ZcONT cMpw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=lKM2UD/yHgWjmA2szMEkHx9fCrO+nHy0wS5xCM2jOV0=; b=efyVAZvzhmrpd/pQ7+g274PsFKtLjhBM7t0dglTolid72BYHFHvH1mqN47nxM8/JZK pAC6Mxsk8r/nokC7yGPeIAI+9AvSK74OXZBPXPdaBXf4XSjdf12GbqjAby6NZWdcsQZk Leknh8lTN56lDw2Cs3CEiul+N27D/N4hwkD5GnWx8tJICrdX3olAq5y/Ppcg34H4nGuN O8iLjbdfsqAvI81mqB/7FTIu+zyV+c5wOYyN3Mc/1JAUwSfXQ8joGfXpltbgZaWmGJc4 oS5ISTOXiuhxGCtl4N/lWff6SxgVuzMbjZgC4V4kT791u3VXo10aqz49bKjHjDLelx+Q t9DA== ARC-Authentication-Results: i=1; mx.google.com; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lk10si21653658ejb.499.2021.07.19.11.29.11; Mon, 19 Jul 2021 11:29:36 -0700 (PDT) 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; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345216AbhGSRjv (ORCPT + 99 others); Mon, 19 Jul 2021 13:39:51 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:46729 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352830AbhGSQe3 (ORCPT ); Mon, 19 Jul 2021 12:34:29 -0400 Received: by mail-il1-f200.google.com with SMTP id i11-20020a056e02004bb029020269661e11so11074890ilr.13 for ; Mon, 19 Jul 2021 10:15:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=lKM2UD/yHgWjmA2szMEkHx9fCrO+nHy0wS5xCM2jOV0=; b=Oa0On8zsCLZ+G/6hSsGWUUzcQMjPB+MP3a59Ubv9BdcoHeOQ5816Q1BdMv82IqPOZD G+3CbfNBPLvem4GYuiiZGMta+evy+kopeSlDwTwQ0L8d+iW7mTIzkAqJKKkOa0fX2e87 x58Y7j+VFUxNN6rpFjM6rNx8ETGJwgtr0xN3YzchYl59bQNfg9uN+ymXbz/NAViqZ1Dd g/L5HIJ4BYkiq6yhG/bk659YW/dnlPUeTsurIRTdR3kmhugKZjpnAQvPU1uQ0wh9ePF+ 9jN4dsADBfZ40ocTwryoFJEJ0G1rUgQSufKgZW9q6GBqmCjyxofxvOSRjJCbe+1hmeoP AtNA== X-Gm-Message-State: AOAM531kCTVMS/KIzC6sVB250+leW7UsTSoWQGVCskfAX+d/Z5XJZK2M J+MxVZKEIXYn/cprIrAr/Wq5Gz4UZR4s5g7AwV1byfvfPx0H MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1142:: with SMTP id o2mr18396207ill.277.1626714909265; Mon, 19 Jul 2021 10:15:09 -0700 (PDT) Date: Mon, 19 Jul 2021 10:15:09 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000051553205c77d143c@google.com> Subject: Re: [syzbot] INFO: task hung in io_sq_thread_park (2) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, peterz@infradead.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+ac957324022b7132accf@syzkaller.appspotmail.com Tested on: commit: 61d27d88 io_uring: double remove on poll arm failure git tree: https://github.com/isilence/linux.git syztest_sqpoll_hang kernel config: https://syzkaller.appspot.com/x/.config?x=cfe2c0e42bc9993d dashboard link: https://syzkaller.appspot.com/bug?extid=ac957324022b7132accf compiler: Note: testing is done by a robot and is best-effort only.