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 ADBB1320A0A for ; Tue, 4 Nov 2025 14:21:32 +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=1762266094; cv=none; b=uuz1BZEqkyWyT+JiT8FSWoK1m3XDAXVmAhhziWaT/20h3e8nKUGUBqOqgzVdfL/M06s8IwjGViKd9MGH5wEqeNh4hc8iuXUUGXg0Zq6G/suAQYIatgr0H/xzQB/HW9kKRduWO5oy7Kc04nSjmzm8C9ICddEGXqX0Nkq+hwuSIIo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762266094; c=relaxed/simple; bh=5mXvuTR1PiKSIZIeQ+mXYzLrB9FmHxAaPAEgu0nL7Io=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=HMJlaZGQm+5gYD95NKzbDvl2jgqqR2/BM005wZ9UtQ9ooh6hPLdcNxuJDzwvEy1X/yCq1VhNYqPVoRiqrZEG4FycT/xU3BKPlB5Tz+aIIhARG51sG8NIrzLgNzyf3/QWNekXdnORD3AEKwiGjA39kWtwKx2/YB8yjpfwZJmUyCo= 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-4332ae73d5cso18715205ab.1 for ; Tue, 04 Nov 2025 06:21:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762266092; x=1762870892; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=7L/jSGya7egt/NiedCx/1BfP1PKnwqFiSMxG2dzvm6E=; b=RImDisz22TixrEw/O5pGJtEtT9Mqt09H5O49SRCc0ijCYBGrV3k6tSqL/Wt7dN6dEL MF3cedqrPCVRHsR7TpfOosI2YZKRayakCzUvIM3BySL0XemfFbYxsAhpbe6NnTSYA+XU 6IW50588KwGc9FBTT7Dxr4sU07+Sous//jtz7xSCh21P35X/h/7b27QtnmB72yA7WcxX ycmfXV3kvSXUBFO+nTFGtcM74F8qeQTZbbcwm5ynlSKuR+AoqWa8rF7j4KTsW6Te59BE G5loFgXp07liue7fJXwRZqfgV3qFuXeTwtUc4+c6Z+ZhDknHhTKpS/jEqnVrz11UIrnb lNww== X-Forwarded-Encrypted: i=1; AJvYcCUNQF3X02Sw45HiHbzOuH+UP7ICNJCHJFYtYF8OKXbD3WEEvp+zoBpESFwok0dW4K4AukRoTvEX3e5yu/w=@vger.kernel.org X-Gm-Message-State: AOJu0Ywgc8+CX2FH+Xe/lwAXFdAg+McyHgZ8Ddd9vb23RlpP0rQ+WK6y sUqSPhQ5jV8RKaEuq9Cqq8/0OEKCFlMzatKcBpdG9HNoSdIAeAYEPVqL6gmmuoAyNo8vEKzeHTq JkqTLYPTZwPu/wW5C800hFYoGqYbdTHdxRUFAbtrGSYknJ0FrDb/GA+s+wVo= X-Google-Smtp-Source: AGHT+IHmghhbRbHc2151lEMdR+Fkctnu2OMAFAv+53FJy/pwcW/nqwYE+rSNRwYm8lpm9Ln89ZBat27dAoQpv/kgtCP6eb3W0aQ4 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:718b:b0:945:cbd9:55cc with SMTP id ca18e2360f4ac-948229840a8mr2134810839f.15.1762266091838; Tue, 04 Nov 2025 06:21:31 -0800 (PST) Date: Tue, 04 Nov 2025 06:21:31 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690a0beb.050a0220.98a6.00af.GAE@google.com> Subject: [syzbot] Monthly nbd report (Nov 2025) 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, 1 new issues were detected and 0 were fixed. In total, 7 issues are still open and 8 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 2373 Yes possible deadlock in pcpu_alloc_noprof (2) https://syzkaller.appspot.com/bug?extid=91771b3fb86ec2dd7227 <2> 339 Yes INFO: task hung in nbd_queue_rq https://syzkaller.appspot.com/bug?extid=30c16035531e3248dcbc <3> 64 Yes possible deadlock in nbd_queue_rq https://syzkaller.appspot.com/bug?extid=3dbc6142c85cc77eaf04 <4> 4 Yes KASAN: slab-use-after-free Write in recv_work (3) https://syzkaller.appspot.com/bug?extid=56fbf4c7ddf65e95c7cc --- 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.