From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 563F13909BD for ; Mon, 23 Mar 2026 10:49:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774262965; cv=none; b=IHvH2EcKMNPzkC3Y5QGYlIdLJe0/Kx48P1h7X32EbZkTspC3vJLU2pxPf9rkRfrZEfqgCbdrMb2q50zyqtor/rwAehD5QLS70wD4BgyEpKhs+89a+Ihxg8MKhEoLaEHKrgb3YT2Td8OQdcN3IZ+qJaPRie+2i35BoIh8iv2t5SA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774262965; c=relaxed/simple; bh=ae9PvXuev953CuWVB/nEsO5aTRcQGjF0ayPurTV1hZU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=kvEsZJ28ICSPle4LUByBnDbrEeiJT8y1BDmC8FuTh7FN9a43yblqMDOpW0mB6wzKabKsGMBzNDR+dOCTqXfi5Far1otZJfhVAXXtWHe+K7n6JjMNH7Pvvjzch0yK/+TKiO7fdE/hqTzbg1ynKhP+/LZQ6IWvauK0iVaG7MPOcaU= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-66308f16ea1so56416eaf.2 for ; Mon, 23 Mar 2026 03:49:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774262963; x=1774867763; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=t+F/uP0hCrF08RwIunjWB/vAhy2zWhsGOC1vnA6Wtr0=; b=cBPwQvttxF3qeK8t8AW/oLqSMBwOusw/3OgLQnQoYLOi0bscaRtPEouPYHM4KAyUwm 11Mne8DsyxAahAXttDEZhJTDPoAXoHRbVwfiBbmP3Q6iV7L0QQAZjU1vTHkODmKRO4WI sA2nXpMWP+z/RXl+Hv3ZxICeC5pIh6Jk55H7E0hyDNZ9paokb4aJpbWkMAlYf9udozGQ E2opOLlHz70ILRLQurju/5G8U4mWChUFuNrsXzS/aiagDlzcNEC2pkJH1WcczTZrI21N wPMOqx691kIoF4dxqr9xo/rOifRZNP5UP0Jq9ozkMQC5zTrZsMR5u6tOsSeKIEjkZyS+ 3NUA== X-Forwarded-Encrypted: i=1; AJvYcCV7gdeYmNjasZ8+8lsK9qNTrjrMnZoUyfTM85yOxMAM7StSiLciM+M3eut2dI94+EWThg3tetcFTHCV9A==@vger.kernel.org X-Gm-Message-State: AOJu0YyWfIDdq8fM7M1y7ViHO00ao+OU1xyDEAGvY1zjl1x6O5cubkmT /zBWEUiz0njDidnW+mpiJxU/LljKOFBeefzbI2E3j11YPgUO3sc2UrSFweBQEWL/jgNeHvtu70/ 3diStS0LpHmsWH+07NsFXAxmAf6avmRPfvGH2IZahJWF5Hqr4SdiRV0yovAE= Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2d0c:b0:67d:e5f5:24fe with SMTP id 006d021491bc7-67de5f525e2mr3243551eaf.3.1774262963290; Mon, 23 Mar 2026 03:49:23 -0700 (PDT) Date: Mon, 23 Mar 2026 03:49:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69c11ab3.050a0220.3bf4de.0098.GAE@google.com> Subject: [syzbot] Monthly nbd report (Mar 2026) From: syzbot To: josef@toxicpanda.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello nbd maintainers/developers, This is a 31-day syzbot report for the nbd subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/nbd During the period, 0 new issues were detected and 0 were fixed. In total, 5 issues are still open and 9 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 3562 Yes possible deadlock in pcpu_alloc_noprof (2) https://syzkaller.appspot.com/bug?extid=91771b3fb86ec2dd7227 <2> 639 Yes INFO: task hung in nbd_queue_rq https://syzkaller.appspot.com/bug?extid=30c16035531e3248dcbc <3> 87 Yes possible deadlock in nbd_queue_rq https://syzkaller.appspot.com/bug?extid=3dbc6142c85cc77eaf04 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.