From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f71.google.com (mail-ot1-f71.google.com [209.85.210.71]) (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 3EB6429B781 for ; Wed, 29 Apr 2026 20:32:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777494759; cv=none; b=CpDsiukwllPoDV1SYzZGA5gMirokoVBZuMs/MUxVLkV1AGmK4j62NM/PyzqiAqqULZZBv5AtmNni+J4MwwQ642SArA3YrF+zFQGm/TGWIVhgtdV4pISQZ1/yNusx0mOXjbhHaB6rzkJBBRyTmox1pOkielL7vb37SN0U25crYXk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777494759; c=relaxed/simple; bh=kyDam3w5LTuUUMJlNUNEC+4wSMr9edfUCp37kx3oR/8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=jfvaD9NE9SzoYuioN33fRrQAvadI6w/qucZaYzYQkBXETlt6YLU20IUQZr4GqQ6sZEAVyn6t2/Uv7S6l4eMdMBNaijup/3YmMR5UfPzdXfskdAmWj7jZyApuO16UpET57UtAvgWX1+9kxH9Ic7mrsjDB9wEowQiRHz2nK3DycKw= 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=209.85.210.71 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-ot1-f71.google.com with SMTP id 46e09a7af769-7dbbb806e10so603289a34.1 for ; Wed, 29 Apr 2026 13:32:38 -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=n1mJTmE2rQEg/vhqk5b7ffjI2+vmg/PVDr1JbkSZPfE=; b=PuGylv1fJelmXjVvISJSX8/AnPrhpZOfDeURgEz3kRWvUgdloyQQ1Rhawh6b6038VO kyLAdS8hCm9QcfKg/+1o0CuI4s65Yj89sEJBtjFbiAuxAVJXNY8PVT4Hr7+Oc9uKcUe6 AvGVBdIqCBYKVbfKjtobUiCUlk+Rf/0dFnr/IUoJm8q2i+4KsOYkwOIKjS/nN/SO7q2m O4Mq47kMjNrUqUDdY7mYnx3X9NZ/YhYOcz/7/L4xtr7WNGpPPFc7+CWGQJ1QaRoypjly hrxYUz7G/0nduS1VF6v/dURRM/t/OvXhMuPcS5fSEaE8MDOOlmKWIqx4wdLtmvoW1dI5 43FA== X-Forwarded-Encrypted: i=1; AFNElJ+CsAVuovc4IwdRyVGP71K/x6JpgI+bSrnlyxCSPnRZiwY/VFq3q0gt0yne4b7q/YvKgZ7mcNA=@vger.kernel.org X-Gm-Message-State: AOJu0Yz1ZuVuN4mKITq09CsL7KmbVrIXrfZW8XETEZMJdAZ/jll1nJnk sah0MMjkU5xI9ffBMgf2cz9BMVALntbHzjr4imqXBL6g5qk/Kvvvo7DSG9xwXzK7oDeCTUwWEUC 5+7EvGvIWcj0mODBiPnzW+OQH15oO2/tl/dL8/zdAMlSggogD1N3Ktsba/2Y= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:edce:0:b0:694:a30f:a6d6 with SMTP id 006d021491bc7-6967a521914mr103838eaf.25.1777494757384; 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: <69f26ae5.170a0220.3c4978.000a.GAE@google.com> Subject: [syzbot] Monthly netfilter report (Apr 2026) From: syzbot To: fw@strlen.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello netfilter maintainers/developers, This is a 31-day syzbot report for the netfilter subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/netfilter During the period, 0 new issues were detected and 0 were fixed. In total, 14 issues are still open and 196 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 5008 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <2> 333 Yes INFO: rcu detected stall in gc_worker (3) https://syzkaller.appspot.com/bug?extid=eec403943a2a2455adaa <3> 127 Yes INFO: rcu detected stall in NF_HOOK (2) https://syzkaller.appspot.com/bug?extid=34c2df040c6cfa15fdfe <4> 73 No INFO: task hung in nfnetlink_rcv_msg (5) https://syzkaller.appspot.com/bug?extid=c4b20b80ee6a7a2f5012 <5> 11 Yes KMSAN: uninit-value in ip6table_mangle_hook (3) https://syzkaller.appspot.com/bug?extid=6023ea32e206eef7920a --- 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.