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 D639F3451C9 for ; Fri, 24 Oct 2025 18:48:29 +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=1761331711; cv=none; b=XTUDbTcVxYNlodGK3sS2KW9wUDmrzraEMhrHT5hTnVW6Gi8aUmThVNKoehvRdNijWRHd8cBD727Hhh4yJ9Gcn+edjTf9S7OkVha51nwNWVgep4fyy2bmMGc2d+aba+zGgPbrqgUiIG4qIki3HmogcC3buA54HBFczE7AjhulsQU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761331711; c=relaxed/simple; bh=/sddA5GyOSu+NmzOtxnvdlpxCOa2Qap22t2nIUrTPsA=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=jUmVOUlICrtmAwDBvx/tEls7lzKcS+4OJALCI/0LOFHJT4Eyup6cF1Zzb8Fmi2yrFO3o+FooNNXZGeIB6YWtZOcbnlhTRbuvELO0JYxIFKJmOt2AclWXpf5J3VswIvHAy89li2Ng4CCgN8zTgIGOY9RJ4kpapaP0+w317FvvKAU= 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-430da49fcbbso32356945ab.3 for ; Fri, 24 Oct 2025 11:48:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761331709; x=1761936509; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=ibQ65fSRokqWgaG4QSVQy0ejGVCf8laCEnbWyhrOTSk=; b=YJ6IHAoTIpMXgfFq/0vJWxO5RX0BogIodpzTF68Ji0F4NfCfWQfuqD6y4q4vvkjrye EtC4+D2FoVwlPm6928e3kTKfX42ulWdYGsDZ2kPofQzZd/T9mEcOP24pze4u+2rJ/mcW KZXcA6vPHsBpvHbO1BuBPMKhQpPUPOBctNDrTdlKEW/LS+WLusZ2FLkmvu5A0CWSs1BW mXUgscEpHMaMYbvhDWVAralXODON09rINw3fjg0m2XGoF5pgzReyth9oLi1CzCSYyMXg auqAfzPdmEcJvamy+6rejT2s8kgetmQZPcjLQh90ohIDov1bk9nahS0N1GjNddFTMbof e8FQ== X-Forwarded-Encrypted: i=1; AJvYcCUPobDyPEPm38BCsUIsvywrIzbkm+iHR8u0Vvftc5vUex++mm8QS4BVSNC0leArNTq88cLSClhoAkCig+8=@vger.kernel.org X-Gm-Message-State: AOJu0YxShLBNR4Zq/pbfU/sC3Rd7E11sjCdxbZ1GsHJpyZn7+6IhAFLR BV/bO54zEXK1VGvzYphMEpYW810oUJCn8/kybVKN9bcMH6G7mayL6SlNIMgy2vEiFZ7A7BTGX10 rGkaxdIO3GPEGdt7SfnZxrgAjRNuHPdQU7Hy71oummkw+KUEJQVW3aRXGKrw= X-Google-Smtp-Source: AGHT+IH+O+UM38jrvlTQkim2NlyJYSGcQATLCEzd55hx6zSrc+YvJa4mUwXl+bBJGkoyqEPkW5NmlRhuWZNrkEMCRYbzjBdn5uKI Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aaa:b0:430:b178:428a with SMTP id e9e14a558f8ab-430c52d7705mr393314925ab.22.1761331708962; Fri, 24 Oct 2025 11:48:28 -0700 (PDT) Date: Fri, 24 Oct 2025 11:48:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68fbc9fc.050a0220.346f24.0156.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Oct 2025) 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, 1 new issues were detected and 0 were fixed. In total, 26 issues are still open and 25 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 2087 Yes possible deadlock in kernfs_iop_getattr https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a <2> 504 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <3> 500 Yes WARNING in kernfs_get (5) https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6 <4> 112 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <5> 78 No possible deadlock in kernfs_fop_write_iter (2) https://syzkaller.appspot.com/bug?extid=1cfd86253864f61b533e <6> 65 No possible deadlock in kernfs_fop_readdir https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290 <7> 59 Yes possible deadlock in walk_component (4) https://syzkaller.appspot.com/bug?extid=b4567a8b2d2ad5f9dd06 <8> 42 Yes INFO: rcu detected stall in hub_event (2) https://syzkaller.appspot.com/bug?extid=039eab266c6321a174bd <9> 30 Yes INFO: task hung in kernfs_remove_by_name_ns (2) https://syzkaller.appspot.com/bug?extid=6d5664213a6db9a5a72c <10> 23 Yes possible deadlock in kernfs_seq_start https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2 --- 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.