From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (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 018E322F01 for ; Sun, 31 May 2026 04:32:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780201956; cv=none; b=tE9BAZ0qVl/mCr1WInkRWErnzRF8in6LQ9kTjD1MjnbSsInvJIHEN/qcfYeortgPd/OyPYsIdMXcCZLWI/nv8v54EAq8PF4HGbHfZsoBf19hiqx3SFGD3mlxJ/A3asYEOa6dAGsfvZOtRwBovy9dTnv3t58NHNyJOPqUImiBS0o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780201956; c=relaxed/simple; bh=ccV5f8BPQIrP0aNglyNfrVFb5OBwQ+BNFUbA85Q094U=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=omflDLxxjMcKeyCRng2XezKgnXU/T1wLE8Sjea1QaQkal52ORpYqaAI3klkhtXQs495TiOyqIEfGhK4GpcRMW6TYKvQ4472alOZFkijCmN4LIx3IdvAOEHO2sgOKMNIBhhwLaUUsob5We0CI7FTvI1FEzfZVSqvq7imu/yS748A= 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=209.85.161.72 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-oo1-f72.google.com with SMTP id 006d021491bc7-69d9f54ab77so4801681eaf.0 for ; Sat, 30 May 2026 21:32:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780201954; x=1780806754; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=MRW4nj6sGdwALN4IA8CeKPNr5m5jJYiJoKNobyycrUY=; b=QoRrmgliU1tZcIQ0C3RsiAdQAX1UzqiGxrHA7ek2z5NHTergg6xvsusS1u6W6WfutG Bi0spN9cDskDWtJrCLf4ileFWDa9AGH9H+QEYsJc0yfMD8F+3f8wzSq3XokDhN4WGOqc xy+yIZbT9xN/YYWDntrJg/zniXIQMeYhy/DvwSjAcd5arNJZRoObfhWAAqsUSXLxn7A2 UiZ5HaHP0a6Gni/bhy5wcVPRRfoub3dbwnKfItIKGXltOp2nLjTihV4WLx+Qd5RGMUNt FE62o7QcYHGzQYwqUHnMjT8ljzEWHaW0CFuuo7Ec6Urnfb6SLzBdDrNe48bZzAYicws6 2qlQ== X-Forwarded-Encrypted: i=1; AFNElJ+3mYQFNdMvnRgTvA6dvbcjxuG2MBwPz1gR6UbvbVaoO2K60wPKcT37EYBOCBc78oyOXcIgh/UyIRS6U7I=@vger.kernel.org X-Gm-Message-State: AOJu0YyziapOtBKY5wU53EZn05/WbpCIvdQE8uLRPcTpGwWXeyvgalNe 7Iif+hlJ9oB/AqmEDLqmRy2Q2FoZJDPpaS6/u0vzqY7Jwn88OYcbKviGu/zLEcnN8WkFFo2bz3Z TxIWtOv0EDP2ZDW9mlHV5aFKgR87PNFE2Bs0IsCPTUrLKd+/R5aTjdvmDAHU= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:190d:b0:69d:ff30:1739 with SMTP id 006d021491bc7-69e10476e9dmr2572713eaf.1.1780201954026; Sat, 30 May 2026 21:32:34 -0700 (PDT) Date: Sat, 30 May 2026 21:32:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a1bb9e2.c16d89a8.217f2c.000f.GAE@google.com> Subject: [syzbot] Monthly kernfs report (May 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, 2 new issues were detected and 0 were fixed. In total, 25 issues are still open and 26 have already been fixed. There are also 3 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 1217 Yes possible deadlock in kernfs_remove https://syzkaller.appspot.com/bug?extid=2d7d0fbb5fb979113ff3 <2> 650 Yes WARNING in kernfs_get (5) https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6 <3> 222 No possible deadlock in kernfs_fop_readdir https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290 <4> 139 Yes INFO: task hung in kernfs_dop_revalidate (4) https://syzkaller.appspot.com/bug?extid=da20d108162166514db6 <5> 8 Yes INFO: rcu detected stall in kernfs_fop_open (7) https://syzkaller.appspot.com/bug?extid=19d01f6082ec61dd45b2 <6> 4863 No possible deadlock in kernfs_link_sibling (2) https://syzkaller.appspot.com/bug?extid=dd764a450d93885d847f <7> 605 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <8> 129 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <9> 67 Yes possible deadlock in kernfs_seq_start https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2 <10> 40 Yes INFO: task hung in kernfs_remove_by_name_ns (2) https://syzkaller.appspot.com/bug?extid=6d5664213a6db9a5a72c --- 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.