From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 7746145D5C2 for ; Tue, 1 Sep 2026 20:33:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788294823; cv=none; b=DRX1l5TDEwynXwpeoitsK6GrHq33CKNiJeSQt63Qu0euajtxvs2PgW//vNTc/+PutIeM1Dgxc8VG3vG8F4ek/MdX/B9FdOr8Cau4+zeZDEKBQVK+pycFVp3nkE8+V03+B6Y/WOxpYEcnVcupSHbPZe9gA2bHAHRBf1HtbQFi42I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788294823; c=relaxed/simple; bh=YIYRgKhaWTAdVwoiQpEKf/jbAncBgJQxHoHwQlqMKzM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=HJir9HksMTBCO2WR4JSogimeqHMDRgyGSeGO1edIXZHh8WBoEWmtC+iUWYSdxuemh05XomMJvxrT9R+nBrE9um5/fc7DivzHnyfqGOIFcr0RIw827eC8ZEQbJPRXdhfyiiKQwbFbIF8JaqL1tw/UL6ZtPG+/7vpsvBi/fpNnkMU= 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=209.85.167.200 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-f200.google.com with SMTP id 5614622812f47-4b28deb7ee3so381584b6e.0 for ; Tue, 01 Sep 2026 13:33:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788294821; x=1788899621; 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=oeVBmyUMEvxOlKf+fY9yPsfNQy9yuLRkEOc1khjK5pM=; b=kisPK74kgShMWTwkkvVkTn72ekquykBAja39j5MZuvw1HocjwDhLsQmGIcdkaqTG4U GVVeiiXh7ChlmBnPPMIWHE3FMfswVkQI4PqtUx/P7MQJjMNJrcRSR6ERdn/p7/Ocpkxh ywwj/Epq2XppqxjMlABDGiGwNDIrug1vkwiEGQGSKAOlr63ZE+/xkd2CBU7nEfZw6QMo le3dSbvOPhh79kqjVjX6KKu3vcFpJ3eSicE9QEJiZyYQIJjNZFdnEuQOpDfG4/0HkLSD OFJ6sdwr+eZbdX+NrTC1zdvf8OaC9n1X3WHyXb2Qki9qP9quWT3puiFAGghC1to3TcgK sk1Q== X-Forwarded-Encrypted: i=1; AHgh+RrYWmuGnmt0Mroyo3xDBuavqRVKl5ZyQVz1WAbyP+0ov+1bnuP9jeT2KmRQBa0FFnfL8M9x3kxWF5hHNU4=@vger.kernel.org X-Gm-Message-State: AFuF++n2OgL9ZOnJothCXkh4gyjjVZwraVuCcV19qbgHft6/RWteKxFF DCYGpCZhkK86HOCuj1Kt3wXbYDI9X5guI4cfgizTzo9UAIzUeLaAu3SFkIx7FTSxK8qxsJUKoVT TBlgR/1SsDfahgPAQvSd8IyvP4cQdNL5/b4SbD1AeiM7Ls24ug2GGtXtQMx8= 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:bc4:b0:4a4:c12:ee68 with SMTP id 5614622812f47-4b5b8172009mr11585524b6e.10.1788294821342; Tue, 01 Sep 2026 13:33:41 -0700 (PDT) Date: Tue, 01 Sep 2026 13:33:41 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9736a5.e163c37b.143a1.0001.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Sep 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 1 were fixed. In total, 22 issues are still open and 31 have already been fixed. There are also 10 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 1843 Yes possible deadlock in kernfs_remove https://syzkaller.appspot.com/bug?extid=2d7d0fbb5fb979113ff3 <2> 1490 No possible deadlock in kernfs_remove_by_name_ns (2) https://syzkaller.appspot.com/bug?extid=b50eba6bf6cd3f8ba7d0 <3> 237 No possible deadlock in kernfs_fop_readdir https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290 <4> 178 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <5> 652 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <6> 167 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <7> 104 Yes INFO: task hung in kernfs_add_one https://syzkaller.appspot.com/bug?extid=e4804edf2708e8b7d2a5 <8> 75 Yes possible deadlock in kernfs_seq_start https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2 <9> 60 Yes INFO: rcu detected stall in sys_readlink (5) https://syzkaller.appspot.com/bug?extid=23e14ec82f3c8692eaa9 <10> 37 Yes INFO: rcu detected stall in cleanup_net (8) https://syzkaller.appspot.com/bug?extid=0604401cc084920f6c3d --- 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.