From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 97F15246774 for ; Tue, 25 Nov 2025 08:46:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764060391; cv=none; b=kuwf56afQFObk1Ei95wdWW/Efn6AMQ/U4jBDBL1wGMrzFxBV9dpTVYr+hPEdwMcIOldXOFlGC9mWZFziW3hbhiCQJiS0dP9FbXaSDBs6j+Izr3JEkmy48lQRX+7uq/nLIKh9FfID2e2NosIi7aiWiGWuXv/96erx2C05cX4zypc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764060391; c=relaxed/simple; bh=V6FzUSA6elQEnnQQXyRda/dLXNOA5pbe5KzBHgC5M/A=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=dLYAX1IOmW97QdNadciqm8ltewl8KyM7xOm+tbai0j/U+ygqqhqoA15JBwjkJ+41fjSHJlRiU0Y+IYV4uaNz6FzWvN2CNr110sdpiw60twIEKOmXpgC+HAml5IbLDSFD6FjZnySVgmSaDHMOu/aYjPhmrP4goSIti9vUd0MgN5w= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-948f6c90813so390268439f.3 for ; Tue, 25 Nov 2025 00:46:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764060387; x=1764665187; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=+70OZ5ABGcLYfLSk9M06u0m7KAqRuIg1i9y/FP78P3s=; b=nTEkC3QsYlvcVUDevCW+rLht52jZ+LHJU4RTJN8fKLm7IxYuumVeWpyXMEbnOLzVGf 58HQbt5Rq5fNZQuu4eCbGp3HX3hMUem9sp6m2GHIlHHNuxPtydHUvsaMvui8Tc3RcXFQ ynnKDwSF55tVMNVCeKGGmJ/QntbAJr8H5kPlqLNK85G0wFzfzwqSFNHVAi6ptknB0fx0 qJ2DFP+fjMTmA2+bqfa4gZqC982EnwNXIcJ7jXJWVhRNwAKEGrDBZI7XBdzxqKlN+HfJ W637m0cEyJ2homKJxsVaC/5WrZMPsBeA9xz7h/F2tgoVap6Vq6j0RspT9GHL81q7PYQY JJ8g== X-Forwarded-Encrypted: i=1; AJvYcCVq1eVCzzzjJXXkdX/VOzRB4m7zlHe4hxm7hZ5MlX5p2qiSw3PwON9DsXNm8ywib4K6JNISoC0QmgflKmU=@vger.kernel.org X-Gm-Message-State: AOJu0YxKEv9mngepH2yc96t8AIJcb0iuGpwrS/kkQ3fBkEUzoQ4PZIrc H+utTnaeQ5LvciOPxN0C/5H9VyUBfU+aqdZBDuajkm1kLdX/vorGXrYcFA+TWdzh5hWCP35b32n ewLWuBPlbazzcWiKZAKuOo/hCTEo6q447wIWvarH2xJE5xOqm2/eP7dAQMwU= X-Google-Smtp-Source: AGHT+IFWtHBSMvfDnZzMT8IZwfIERUzqzpUGjp+Fn9zfXS7liOJpBGfxh/gsDadtUe2yOoFBPRpDBIBk6s2g1EaQg3RNQqIRSRjU Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2190:b0:433:7f29:929e with SMTP id e9e14a558f8ab-435b8e6452bmr158595755ab.31.1764060387375; Tue, 25 Nov 2025 00:46:27 -0800 (PST) Date: Tue, 25 Nov 2025 00:46:27 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69256ce3.a70a0220.d98e3.00a2.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Nov 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, 30 issues are still open and 25 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 2455 Yes possible deadlock in kernfs_iop_getattr https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a <2> 520 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <3> 510 Yes WARNING in kernfs_get (5) https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6 <4> 126 Yes INFO: task hung in kernfs_dop_revalidate (4) https://syzkaller.appspot.com/bug?extid=da20d108162166514db6 <5> 116 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <6> 92 Yes possible deadlock in kernfs_remove https://syzkaller.appspot.com/bug?extid=2d7d0fbb5fb979113ff3 <7> 86 No possible deadlock in kbd_event https://syzkaller.appspot.com/bug?extid=781c8bb5e4d62cc883d3 <8> 79 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <9> 80 No possible deadlock in kernfs_fop_readdir https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290 <10> 75 Yes possible deadlock in walk_component (4) https://syzkaller.appspot.com/bug?extid=b4567a8b2d2ad5f9dd06 --- 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.