From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 AE2893233FE for ; Tue, 23 Sep 2025 13:33:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758634411; cv=none; b=GZ1asU/7wDUPwkDpX8qTGQN7bADZivB10Ob3uPqyEkFIY1fxvDfQBUxcSQKqwBadmYzV+XUQXytmduKeHuNGGR74578z0FnRqe7aJkNYi6HfmCwroUIrnRKP8hRQbc/hJGx0+AwWejuQrQkeCbVu699LVe6ccU3z3NzB7WmVP6w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758634411; c=relaxed/simple; bh=E688SA2ur8pdhDMKGP0y0zNwUkmL1KK0E2KKszEQgu4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=RhfigrwAFhznwu173HRurUwOqE8PbPojC8UqTmYvr3ca5VLZ8K3Lz0sIPDEPkQbS9M4GvtCERz35NCyYM7LmsFb2KJUoN3NQvVA7Vv6NM1zmXPp8mZdMPSBfQzaoNjNBZFT1mDU5bgGTLyB/aqyDZBSR8UpcBb0c4nQgmrN0YXo= 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=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-4248b59ea91so94312815ab.1 for ; Tue, 23 Sep 2025 06:33:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758634409; x=1759239209; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=CnFEheBcFQ9GIZwypq53PINvHcyzivG0Keb/zGJdWl0=; b=H7KDdCSs1lnlixKo9sXoWw0w+EUrrqpGO49a2Uf5Ip5LiC4XQhHV8D8FF31l9q+JbJ Id1fS+s63OECCRXHI1qh9Uiqh4XV3VvCkVpsfeRjW9OxDFqYv08Vd1qZIEjZxD4GPAn5 l2z0cc417nslX1UtGGPnDYyiWxEqwBAGUQkRBrvfZrQavF+XvQrilhWTS8yYz9uJr22q N0iVpWxHDYj2xVDpj1us3+vs3OY8ArKgH9QfkHx7FScuqpk3OwkiaSpAa029vjrY1ZqI br35F/8q1jsgHPhEg4bzuKBkTofw56hVrcUZb8/VYNfR47VuCmKJCh3pUcsu9Xukg3un 58/g== X-Forwarded-Encrypted: i=1; AJvYcCXYk0olRZXBngJdzsyoBNedFOwdkqu+bOzj7J4WhjHwJQoRX4WF6oUp4TFsG2bkXhQ4+wICs83pmF4lzg8=@vger.kernel.org X-Gm-Message-State: AOJu0Yy4lqeu8Ou7+KrnJEsKBPB7A7jLTF9RXBFyNQ0BLU9+MmuIcrcR /073JhUib6l6EuN+V8MXVGzjvEl5lJA28j5SlXkr0mG1lkSXkqhYWzmTiE8RJ58e5S35pjK3PpK P+rzERM62MhLO5w6+e7JxxNBLCi8s+ZvTvageWHVQ2mqZgBko/RkdBdNb0hY= X-Google-Smtp-Source: AGHT+IF+wgIXgkOJXcUn4ha1722njeR7A5N05y/cuCdCL5x3cjEn8+ifFpSsGAZYXL0xgQJe5WK/skelzVAZKneqRyB31DVL7ZCT Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:471b:b0:425:8744:de85 with SMTP id e9e14a558f8ab-4258744e0cfmr18369315ab.26.1758634408705; Tue, 23 Sep 2025 06:33:28 -0700 (PDT) Date: Tue, 23 Sep 2025 06:33:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68d2a1a8.a70a0220.1b52b.02ac.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Sep 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, 0 new issues were detected and 0 were fixed. In total, 26 issues are still open and 24 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 1201 Yes possible deadlock in kernfs_iop_getattr https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a <2> 480 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <3> 473 Yes WARNING in kernfs_get (5) https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6 <4> 359 No possible deadlock in lookup_slow (3) https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3 <5> 121 Yes INFO: task hung in kernfs_dop_revalidate (4) https://syzkaller.appspot.com/bug?extid=da20d108162166514db6 <6> 109 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <7> 91 Yes possible deadlock in kernfs_remove https://syzkaller.appspot.com/bug?extid=2d7d0fbb5fb979113ff3 <8> 71 Yes INFO: task hung in kernfs_add_one https://syzkaller.appspot.com/bug?extid=e4804edf2708e8b7d2a5 <9> 59 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <10> 52 No possible deadlock in kernfs_fop_readdir https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290 --- 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.