From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) (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 2021435E931 for ; Fri, 2 Oct 2026 20:33:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790973215; cv=none; b=pY8vr//sQ9EC9pARbZu1BygwSiW91cJb5EgPluujrudSAPK8VMl2fGRRjQ7g7CTW+vvOK3HPmhCxGIp0Mnvs3JJarNnErqMozfRplIRT1+SXe+Bh3W9mqNGChMy+dJYWMIaBK3EUkdLnyNntQ1oSLpF4saVxS1WeH35a037SwrY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790973215; c=relaxed/simple; bh=KE/MH5M0np6wNwywaAleqtnLPIXCCzbPkE60V4uuW7o=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=WXeureCQHV7Li8g9hi7KTP9Z13V+OSYjEsjhtAIjBss6MXb+TRVMWDtzlTPXJSR32jwOh71L5b9aj9MZGEvfFUfUQ73XbzAj7a2AIZKnPoSQAUNGDIkq5BkKp482XNUb9M/jIl3UlO73/eS+wB8EoLc5IcMwV7MxpmvvVRNI+lE= 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=209.85.167.198 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-oi1-f198.google.com with SMTP id 5614622812f47-4ea4c979030so523161b6e.0 for ; Fri, 02 Oct 2026 13:33:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790973213; x=1791578013; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=svJVIDSgYOtlv7kd6fSF4YYJeM093KhLmii69D7JD0g=; b=rAYiy24lmQSnYU6UvCJsQPuHc0d4+FqakVOlMQYpHFz8onXnziebyL+qEqK6pMTo66 JTxN9/KrdgCCbI8Ae0jeKc1Qua9AqBvJHcBuAjvd3Pll99UbPX0JOUawHwulGZtuyACz 3AdYDtREDPta9rli90rVItyBjXPy7UUZ7mFwtwB1/vMjTDQ/HoJ3+XUWZSYq8nCiCzDV 4lwcqj+0w4K055K7xmGws+PqtKnGVAtk0yo0tgUZ++Q6FCnrvRTF/jlVhQTHpEVCQ3NL iEv0ViJ5/WLEte0Hrp0VOoDZ1Uz8aDCIQPhuKHQbqdbaLBX2EwrXn3pZc+Jg2rt1OFgN sZ+Q== X-Forwarded-Encrypted: i=1; AKwUvByAOtXOK8GXrR232qxuE8jDoRuAFFqIiqXFV78ZsUnLmpq4E0vGqwi33OnE3CE02MpnxudIYgQQu8AebkA=@vger.kernel.org X-Gm-Message-State: AFuF++mTYuO9QexXhmh8yjA6D/qOx4Xc2c+TOD7SnWmi0A8UXhkwixqt yZtWhljbNGfa+JI7Ky0ZK9szxV2akAz4nFdPNYn/sooCIL11XOAtvyVDqrVSIbYj2GbGEo50XJ7 lUTImFErB3uo5xbmwvQan2iiZnWHEZqncKA9jvQQg359VkpS706UeJSNOlk4= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:f02:b0:4e8:3707:d4cf with SMTP id 5614622812f47-4f52376b295mr3626605b6e.0.1790973213138; Fri, 02 Oct 2026 13:33:33 -0700 (PDT) Date: Fri, 02 Oct 2026 13:33:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ac0151d.34119e79.2f92f3.0005.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Oct 2026) From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tj@kernel.org Content-Type: text/plain; charset="UTF-8" Hello kernfs maintainers/developers, This is a 31-day syzbot report for the kernfs subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/kernfs During the period, 0 new issues were detected and 0 were fixed. In total, 25 issues are still open and 31 have already been fixed. There are also 11 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 3207 No possible deadlock in kernfs_remove_by_name_ns (2) https://syzkaller.appspot.com/bug?extid=b50eba6bf6cd3f8ba7d0 <2> 2048 Yes possible deadlock in kernfs_remove https://syzkaller.appspot.com/bug?extid=2d7d0fbb5fb979113ff3 <3> 241 No possible deadlock in kernfs_fop_readdir https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290 <4> 32 No possible deadlock in kernfs_add_one https://syzkaller.appspot.com/bug?extid=f50d605480fdec503770 <5> 18 Yes INFO: rcu detected stall in kernfs_fop_open (7) https://syzkaller.appspot.com/bug?extid=19d01f6082ec61dd45b2 <6> 676 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <7> 182 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <8> 64 Yes INFO: rcu detected stall in sys_readlink (5) https://syzkaller.appspot.com/bug?extid=23e14ec82f3c8692eaa9 <9> 2 Yes INFO: rcu detected stall in kernfs_fop_release (3) https://syzkaller.appspot.com/bug?extid=087d9dac1f398074ca9f --- 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.