From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53D711FDA9E for ; Mon, 7 Apr 2025 14:25:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744035905; cv=none; b=OPGkUKcoi//3lLIATJums2uLeX+SqiyW4m7ieSmcrKpoiOt7vwnoiyLsencgR0ChteTvVdoFimdlTh+yPK79TszY3FCrObiEYC9m0G4p+5Q8jzFvVllysFn92jjGfpIns2dyYUXKF+BqyZfPJJbtU05nf/7x1XB1ihEHI1UTC2I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744035905; c=relaxed/simple; bh=Bzr+yAT5FWXC67pNcy4DdnOEcNRHfP3unZIeNg0Lls8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=UeeVXzwWfQI8H+OEwtDPfDHMrqKYX905w8htwFvVuU6nLWMDo4ZTXGxTAwNhD1+OF04BXqGVqTIWLuNUDfJ4uReQVQIYRTHf4dLwmI0ApnCfK6tCwjpoVqNJvylACRi19w9TDcax1PbfzaPsauZUn9iyw4fyoc4E/wLAq8O+K1g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-3d43b460970so95173935ab.2 for ; Mon, 07 Apr 2025 07:25:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744035902; x=1744640702; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=XqylPtsJUGhPnDo877vCDGCeTK9eTWpi2VA5wUt1hxk=; b=Zl6q576d4ch7Wo5QLeduaKEgv50rKsqmWufLMIsaowSRMtZjSnSJcRbxVcfD1Ywl1Z kUyllzFs2VQ4UDknkFiVKFCEvlhWHDugw9IMZ9ioaC1N4ZOP0jU1Gn8Xn249TUhvYCY8 36/XXpvyCoqL8UZIvmS3D24xg6WQMq2Dc+JesUjph2DHWZsoHJhlgBFcdtAGdRZtdO5l H5X4rk3AtVibkr/iNgTC+P8Y7SZVk6ufbnh7b8Ejrjv2/1QZmCVfIREy39wO0lpRZDvC lIYiCU7BcJWZfZ1KLngsqHnScvh+JIKeHyx79fmrvfl6oziDfSMdbx9b05vKfJ0zh32V P0/Q== X-Forwarded-Encrypted: i=1; AJvYcCWd0BCtOY1X1BvSPiz9wZWUYV9nMIJ5BqZALYeUq1OxAr8EWWl3bQ6nyhw2hH9bVAZaOfcLUlppSg==@vger.kernel.org X-Gm-Message-State: AOJu0YzepMRg2tbBf+/CN4vANStvE7MK3ZeYkscnvIZKYHugha+8EnB6 B7jZjZ7QYeC4ml/hdssT9CyCNr5587itCDFf+iEPaKL9dKT3cgZsvhQIAjKaRsDqh0G1clxArWi vVxEFI+DEtsyzyUJBQR7bWyrDC5CbkrWCJiGqS4Cyte84JXrYPgB8zJg= X-Google-Smtp-Source: AGHT+IE+CDycwgO/6G3EPIE0hT1ZFJznfTWuSqkY0aiAwqTMSDuWhisnHSKLp+mYWuCkfjfMTgBml3N7diPwWBcZZhI+/n83hKbl Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:cd87:0:b0:3d3:d07d:20a3 with SMTP id e9e14a558f8ab-3d6e533d0aemr118537635ab.10.1744035902466; Mon, 07 Apr 2025 07:25:02 -0700 (PDT) Date: Mon, 07 Apr 2025 07:25:02 -0700 In-Reply-To: <7bcb21c4-4ce1-43fd-8adc-c22684cbf0e7@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67f3e03e.050a0220.107db6.059e.GAE@google.com> Subject: Re: [syzbot] [io-uring?] INFO: task hung in io_wq_put_and_exit (4) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+58928048fd1416f1457c@syzkaller.appspotmail.com Tested-by: syzbot+58928048fd1416f1457c@syzkaller.appspotmail.com Tested on: commit: 881bc75c io_uring/kbuf: reject zero sized provided buf.. git tree: git://git.kernel.dk/linux.git syztest console output: https://syzkaller.appspot.com/x/log.txt?x=17420070580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a3f7ddbc4e0c74f1 dashboard link: https://syzkaller.appspot.com/bug?extid=58928048fd1416f1457c compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.