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 B0E2E3D904C for ; Tue, 31 Mar 2026 08:07:22 +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=1774944446; cv=none; b=dzmLqj+WPnU4fgf3GYkT4C+KgOYgzwqMrHVj0/p++8rP+fVK+AJLlePB5u6W+IJUanxB2o6KsBbhl+slY8KOXNoiGG4+5Jc5DsQfi2Qbtp3x1IdiXQMHvSxavzbsXi82+lLZZS/Mf+58HEzUSOItCGu5fhy3XkYNkxEQqF1j6nQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774944446; c=relaxed/simple; bh=OyOSFNZAcOtYFeS5LtZzdqXIl4nRzbBo9fS0PL7/QXk=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=aLYjhO9u5R6iNegTvpxdQw1YWh2/IVaYhdmqy+lttycvwTHHktTcSvmn1+oWociNeawMEglk/TG5pCY1JSBKsaEVjHZeHFXf0IEG0u1zkMqK7xba+tY/J4y1hl1qmRF/G6Gd0+qekcdTs4SxKq56N/AXM0v7v6udh+SV9TG6t+w= 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 006d021491bc7-67e282b93d1so6688361eaf.0 for ; Tue, 31 Mar 2026 01:07:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774944441; x=1775549241; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=zGOBMXTLJYi8EMajLqsobqRUIHxHoS8nmfP1bIVDhEw=; b=PoBCIvvEecY9hq9dGuROy6nRbqUR3lWZL+6jVnOMCWwyb7J1GGVi+QlOBN1AIDWB/u v8HMYR7VsfDUny1zxzWkCMFUTtC6s/xOHJ3uFKcvyUb4IVSsDwJMu98b6MqR9l5BYFnR 1IjyJT145CD/8FkXgm0ucblrWBBS6ZTPFgISoP1DPo2W5RxAou+BHQ0WMqkv2cKOJFI8 JX6+DiND+DqnpV9qncpRmyrHrq8pVfuiKSVsMnWB1+umDRECXd8aw8LIyCGOpz0HxcZe aStYYHEBhztqbkNkq766w0sSzURfsapWi1PSCuc7rxDjr2vt3LFOgPzLikxpaSw107+4 hd3A== X-Forwarded-Encrypted: i=1; AJvYcCVbOqmShPh0OC6nuE7NEGHG3FHgAHP9KBmv0/yF5QXxpFRODSibgaOG6piDL+cdCkM7iQh6DVZCodQQgiMLRQg=@vger.kernel.org X-Gm-Message-State: AOJu0Yw+/pPRGdwV1tbUa3S5VRgjZWrBsTc7TQvejK7wijH4PeXU109I 2x1VtYyZSbj8eZv0k7BsEKgoiPrLW818RaOauAutonM0QZmUZdyPAhHxVvt8qaI9scLuCVeWvyw E3zb24omhKOdtDm0M5TZgS0FwvNyKDhlr0TLAc4AJ4Phi94Ay6Ih+DMbh25M= Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:99b:b0:67e:3f0d:4229 with SMTP id 006d021491bc7-67e3f0d4596mr1108766eaf.14.1774944441434; Tue, 31 Mar 2026 01:07:21 -0700 (PDT) Date: Tue, 31 Mar 2026 01:07:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69cb80b9.a70a0220.97f31.0281.GAE@google.com> Subject: [syzbot] Monthly netfilter report (Mar 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, 2 new issues were detected and 2 were fixed. In total, 13 issues are still open and 196 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 4918 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <2> 692 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <3> 325 Yes INFO: rcu detected stall in gc_worker (3) https://syzkaller.appspot.com/bug?extid=eec403943a2a2455adaa <4> 68 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 <6> 6 Yes WARNING in nf_ct_bridge_post https://syzkaller.appspot.com/bug?extid=a8ba738fe2db6b4bb27f --- 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.