From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 B75E72C21EE for ; Sun, 2 Aug 2026 00:00:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785628839; cv=none; b=LbhyvxNtW3LRAe4y+Ywuh3DG/bJ8J7v3h64Et+flr1mvGhA93UEwBHIWkSQdWzL8HhPDS3Uw83rzAsJGENuy/aAOjD2Lq9ItJfE4u4+lh18ZNN8mVdkWENbzJjbTFkXXv7h2GAdQP9EoWFWkIKVepKXbFm+Q5zseDkK1rYYZw/U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785628839; c=relaxed/simple; bh=U/dePvi2M8DnvAT/o4Be+V8VoyZ8BNbdi3hmoI7L27A=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=jgofwZRiaFjBUs2ygFByGpDVU45gFCPMmFAw8gGETCyOIHqmx9HZc80EY0IDCIz1b7eXi9VqWsbbymrCzNKWz+3AjLpmu6LMyU0ZxF7tXCrsrQA7vkpubhCl8Ljlh8+cqrzyLlh3/tV2z6W8vHx0gtsCs9NhQ/eL1MiipvOSxx0= 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=209.85.167.197 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-oi1-f197.google.com with SMTP id 5614622812f47-4ab4f652f9bso1403741b6e.0 for ; Sat, 01 Aug 2026 17:00:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785628835; x=1786233635; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=g+SKPLTGYZ0hI2+RZpiVcGgMCqX/nviHkiJi56kF+qo=; b=Oo6RrGDYCz+Hfc3O+xqzu2aVj/40R46w/L1A1pHAvyQSQh5JX2y2IZCMhLgl+m8Ecz WFpHFexAvSBkiMrdeQjyfG58exaRs3gEUjZs21UMoqULGjgRaGpRbm+Og6YtxFZZ5kIy 2JCeINP/l8Gu32ggVlcBpJ0r7VmfgObcvtNLY47cLLhUOi4pavkGeegS80ay/jrQKVGP ALBlpIyCg9pDRjA7NRMFyh/cJ4ljn6LCasKWt0ioFFQUzPi8I+FDXZHZtf0CYSczbswQ 7ovoQA1eRUJUqChU2xWfTZ+DcCo5ZltYM/bWtz71o9dalwlcZHM/kxbtPd+IL4y/q25i zlWA== X-Forwarded-Encrypted: i=1; AHgh+RotICmieqT/OfrWq21F+hLAeEZEY0jQASyGCvrKb9RzUCPD3a0h5eXKORcjX15UsuyoehmNgwr0a9b+Gi0=@vger.kernel.org X-Gm-Message-State: AOJu0YwAv+yHp/J4rAvjLhwMlSyrlMa26dQ13XEqSyEbcIF1hsGNOISc sLJZ13c84HYG9bN7vsVIso6wAuHUDg1xzciFyjN9eFBD3AlyV3aKqKS7+ReKIiYcIzqIc/9TWK+ fGLWhco2dTR3Rn8+PL9wWjho5NHf3jSmBmmkD2i5iG92sCflca5K8RPgThrw= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1b98:b0:492:973e:1c23 with SMTP id 5614622812f47-4af5e30f381mr9341203b6e.15.1785628835751; Sat, 01 Aug 2026 17:00:35 -0700 (PDT) Date: Sat, 01 Aug 2026 17:00:35 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a6e88a3.13bfb6d0.1ecdd5.0266.GAE@google.com> Subject: [syzbot] Monthly kernfs report (Aug 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, 27 issues are still open and 30 have already been fixed. There are also 8 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 1729 Yes possible deadlock in kernfs_remove https://syzkaller.appspot.com/bug?extid=2d7d0fbb5fb979113ff3 <2> 609 No possible deadlock in kernfs_remove_by_name_ns (2) https://syzkaller.appspot.com/bug?extid=b50eba6bf6cd3f8ba7d0 <3> 146 Yes INFO: task hung in kernfs_dop_revalidate (4) https://syzkaller.appspot.com/bug?extid=da20d108162166514db6 <4> 131 No INFO: task hung in sb_start_write (2) https://syzkaller.appspot.com/bug?extid=b3fba2e269970207b61d <5> 26 No possible deadlock in __kernfs_remove (3) https://syzkaller.appspot.com/bug?extid=1075f6dc93f398c1857e <6> 12 Yes INFO: rcu detected stall in kernfs_fop_open (7) https://syzkaller.appspot.com/bug?extid=19d01f6082ec61dd45b2 <7> 639 Yes WARNING in kernfs_remove_by_name_ns (3) https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d <8> 146 Yes INFO: task hung in fdget_pos https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7 <9> 72 Yes possible deadlock in kernfs_seq_start https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2 <10> 44 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.