From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 6D1192DA75B for ; Thu, 26 Feb 2026 12:58:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772110717; cv=none; b=qIiWnqLy9kgYWh8GKiAzEX1AlyK0jfoWTiGAANVV1cyUmLc24oLkzCl9slFB7CsRmZhg17u52BVMBxmuC/IsBSIPyOrRCUHvJOcuNHTh4d2AdKJ9+BZAAx3MjzKtSVloWrgTfUXT7EQYfPmK98yc6sdXoA18QE2KVp7FH5U+huo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772110717; c=relaxed/simple; bh=QN8k2PBnuUkxy/SQW5jnkRAvSBB85wQRcFX45Bc/9JM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=TAZXLi7cjReLtRSJKrT0pDMqgKrBhmAZOLzzizPaFUR69zOTgl9MVEu0DxTIGpcxlpDo4Iivdc/lHpQ3bJfaesov9uTlU6aQyLi16s+0H0OML3XYFCzQAK3rdsC3JTJM8f3JYMaWDFwj0UuSDmkno85c2AZN3SWr20ihgYGP+Kg= 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=209.85.161.69 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-f69.google.com with SMTP id 006d021491bc7-679c52164f5so6685347eaf.2 for ; Thu, 26 Feb 2026 04:58:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772110715; x=1772715515; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=4hap0KdrzVH8zKCNc1msFJYyP+KfEDhTCaaHmJVxbYc=; b=JjPfphHSMSTCPScWCeVovyzmhIUqqxYhC0lk2YAwWODNWtkw+aGlhgUSi0mBu5pA2F J4+Bp7PPF8ywNNoNe5wBw3nMjPqbqg2f46FhJqg1i4/1IGTQcXfeiwnuJqMhvkPw3Llo edTJsPV8oiD61tpP+v54DWvjoOuru10sNrlsg+uRhAW3wAIlZZz9XLtgQdQLY0KdcWNQ n3DPOvSWHTgtgqf9Xeu/yXR7HkimnBq26ONixXdQhdDikU/jnhdB/Z5HlCSJ5GDW9a9R i/G6YUlmMe3uDdhx0Fb17WDVFAclzHz8+4QUmvvi5d+hwM0s8JO1+OOiRxXkpjAukcgQ BjnA== X-Forwarded-Encrypted: i=1; AJvYcCXpVQZvIsUwSfaQVAvl+1gIbWidEtbFz0jPI6lW83x+CFKsAGbRLx+TniDwR0vqOVcbu5RA6OjOwPCuR/s=@vger.kernel.org X-Gm-Message-State: AOJu0YwrgFyg4tVzJGCRz6EBW3Nmyz0b3xwQSTq6S1ktvFwnC8TxzFI3 NkcTtnO+G9l0PmReyZ/F74fJQeFxULV6lYQ7n3GY7m/3Yz89f0LwL+NpJfKFdDkeFRA72g2CVu2 m1OziiWRckwegKcrXKVWwtP1CDEZe5fhuS+5YF4Gc9ZdSRH6zLhpXIkRsFzU= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2d02:b0:679:5f79:91dd with SMTP id 006d021491bc7-679c470f549mr9364957eaf.60.1772110715593; Thu, 26 Feb 2026 04:58:35 -0800 (PST) Date: Thu, 26 Feb 2026 04:58:35 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69a0437b.a00a0220.21906d.00e8.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Feb 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, 30 issues are still open and 26 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 4323 Yes possible deadlock in kernfs_iop_getattr https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a <2> 577 Yes WARNING in kernfs_get (5) https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6 <3> 570 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <4> 417 No possible deadlock in lookup_slow (3) https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3 <5> 143 No possible deadlock in kernfs_fop_readdir https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290 <6> 133 Yes INFO: task hung in kernfs_dop_revalidate (4) https://syzkaller.appspot.com/bug?extid=da20d108162166514db6 <7> 123 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <8> 108 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <9> 81 Yes INFO: task hung in kernfs_add_one https://syzkaller.appspot.com/bug?extid=e4804edf2708e8b7d2a5 <10> 38 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.