From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 215A2283FD4 for ; Wed, 29 Apr 2026 20:32:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777494759; cv=none; b=r49T/4m2uMy8GXV/FpEVgYBJS6mpex9MDDrsaJI6IPqo1w9VOcwEIFj4vbHs+XGULiLqMguKA51gh/hir5TgY49tqTThrmgOF+9FDX6UsBFG8R0T5kr+hJ1DBdUxB1U794YDOLJ+l520EMvO2PmEhkwzaw2URtHWOxQ1oqKahLY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777494759; c=relaxed/simple; bh=XZrOofpkW5oNk0OwdZ5+N0WAh08ksFCM/5a7el6spYM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Mcr/z15yrljqHbv5MxMwCdyPIUQm6qjcgUoGIgk0OoU0zbFkt+F8ghjNSQ6v34UhL/n/C7DLJbqWfzsYWffh2R9BGDrKPkZpFYGj4443rv4dS6lLQwkUnt6nGTo2b3elgKlHudvrn5LGaaZjDECDd9yjb+3dm0R3nwUVmcu8yfw= 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=209.85.161.70 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-oo1-f70.google.com with SMTP id 006d021491bc7-69664db45cbso590575eaf.1 for ; Wed, 29 Apr 2026 13:32:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777494757; x=1778099557; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=GCWbvy1/JwoFsgYBJYos5pJeCfidU1qln0etSoE4rkw=; b=b4wGUsqMnXqz0UYSKLt41fJDsq0IK5V8zE+3XDospbNmmIf2PzBNTDZbvTBdK+08H+ SizqjFZjLQRW9oBmAXUmY2ZwG0tfc5/O5Xx9SqLQcs4i+zvZoHadRzDz9cZh6eGJIbNP 4htZOMMwfXusj0FKO7qmHtQgMhcyt2hTmrOYU4JUW2S0hVJuhayij2o0GlT0r+NP8nk3 FbV2wgZ22zVrXRprgZ4F6GRa6UY1SOhwHiRE0XRotq6X4G4CNnCXMvSvXKtyDBiiB2JN +Dg7xPI+40cA6B4CXmd6Tq35sekPQ2GPJ4zDp39VmFUqElGSKyOPEBnmmUNSekZ758pX 9E/A== X-Forwarded-Encrypted: i=1; AFNElJ+1co40R45cSGE27gkiHGeJ/hdJGN65UYf489UwkSOkOwVtn475AY6XPEHICDcqCAM90k7ZMPGDfKa6+lg=@vger.kernel.org X-Gm-Message-State: AOJu0YyZ/JVZTYcEBdVXMhptwhhpIjmf9mIVdMR2FMRc4DCbgTjzRFul mXT1m/QwiCdcZt2OUAbZhHOzt8MkWHeT6q5NRCJbt1vI9tSQ8AEd7Pv8Ourfc4NxpaQ5sQYfFHK Rm0zTxUDGO2br/sGX7FjfYoQL7i9T0bY3iM+KAT23idZ6iEzLi+bzXS83nS4= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2907:b0:696:3196:59bf with SMTP id 006d021491bc7-6967a568835mr94335eaf.22.1777494757169; Wed, 29 Apr 2026 13:32:37 -0700 (PDT) Date: Wed, 29 Apr 2026 13:32:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69f26ae5.170a0220.3c4978.0009.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Apr 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, 1 new issues were detected and 0 were fixed. In total, 29 issues are still open and 26 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 6040 Yes possible deadlock in kernfs_iop_getattr https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a <2> 2705 No possible deadlock in kernfs_link_sibling (2) https://syzkaller.appspot.com/bug?extid=dd764a450d93885d847f <3> 2323 No possible deadlock in kernfs_unlink_sibling (2) https://syzkaller.appspot.com/bug?extid=a0ec0dbf8642550c291a <4> 709 Yes possible deadlock in kernfs_remove https://syzkaller.appspot.com/bug?extid=2d7d0fbb5fb979113ff3 <5> 603 Yes WARNING in kernfs_get (5) https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6 <6> 599 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <7> 138 Yes INFO: task hung in kernfs_dop_revalidate (4) https://syzkaller.appspot.com/bug?extid=da20d108162166514db6 <8> 128 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <9> 88 Yes INFO: task hung in kernfs_add_one https://syzkaller.appspot.com/bug?extid=e4804edf2708e8b7d2a5 <10> 44 Yes WARNING in kernfs_new_node (3) https://syzkaller.appspot.com/bug?extid=306212936b13e520679d --- 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.