From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 775B4470446 for ; Tue, 1 Sep 2026 20:33:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788294823; cv=none; b=aGjZUU6rRjcskMi5WfRp6DpNJ95eDOZaamRDkGYqvoF7615UPNCTkZVSM/Kq6KhB0jfGXP12sCWKZtKuhYrl37mJCarVECS8d6pFHuGWa4ZgUsqv1TAQ/fK4f+0H7TevNYtZazIEOcjmJO1lh/15qLMLI5rqJhk/jSnRI+L2lts= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788294823; c=relaxed/simple; bh=oyZYl9MQ0GluBPsgfa4OVS8Mfkb5JX4A/AK+ieJ9ZRI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=mIusRy4AYU/zZT3loy7PWIpZqUpVXRwEgwiNkQBC4XWT09j5u9uEFaN5MwwG2SPduKgN8QMt3D6ftd+4yU8RviMh0MaBNCGvGX3yc9lPDjzT211yQDGNbDL22VUt2DFK/d7nmg7YnKSBko8Sr+bVKqDQgjcKy5nV7AHzkc7dbvQ= 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=209.85.167.200 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-f200.google.com with SMTP id 5614622812f47-49aa4525b82so379645b6e.1 for ; Tue, 01 Sep 2026 13:33:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788294821; x=1788899621; 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=x3I+bTSA/CeCOeSpygGOdoVt5Vie1ImeZql69enoaeU=; b=M0F9sRLJLtqBnxoC02X2NjDzNdOx1MT/yJuVOnVwDjGp7s+mxYBI1GMm/yiv+FOzr2 NZpMOIIpB6ya9VbrdwSxtksJrGDa3ynsA+oTdV5Hq7f1VS5cF4SVM6I33bbQChd1/FYr wymq8ISShZ5XhYHd3C0DEOt39dH8RSXUq9uTmWx+FjRTeB6Bqq3nNYb9PzNs/xHQv7GK n/lL6jbIWytCMbrcG8zWW5Z8GXmf3ftELqd7C71DFt+kwAX7bb1Y/Q8W0G01kCWr1fkb s/l1KhNyhGXXxpivvQIZpuCV/M9Yw9ql6wAH9aYI8exB9/EWBvCUFGCBwuYpYVYDWm5N LDow== X-Forwarded-Encrypted: i=1; AHgh+RrscLfWNb2KIW0uy9HBKXGUJv/2BwqoGKk0Ph3FyocszZNaMuwc8kQIGyzQM2HWxMg7YWsYCpQ=@vger.kernel.org X-Gm-Message-State: AFuF++mOHp1dasysvUyfO/OohcSmHs/NOk8aqLgCZigIQH5ilqgAAbft /847MMEE0BWxHv0jalbMA8ii8ht/MX1llHox1XWLZJ8At3MIexUqtaiUtpILQ7FLDBVtcP+97yG BmhDBVlPK5z4mKioMY3nU3fIuOA1CbTHP29Nwld/OLsP7TBFktWYlElssKQY= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:6902:b0:4a3:3108:866a with SMTP id 5614622812f47-4b5b8265377mr10846805b6e.17.1788294821575; Tue, 01 Sep 2026 13:33:41 -0700 (PDT) Date: Tue, 01 Sep 2026 13:33:41 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9736a5.e163c37b.143a1.0002.GAE@google.com> Subject: [syzbot] Monthly netfilter report (Sep 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 1 were fixed. In total, 12 issues are still open and 199 have already been fixed. There are also 2 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 119 Yes INFO: rcu detected stall in rescuer_thread (2) https://syzkaller.appspot.com/bug?extid=d5f7a5097c24c7c2dbbb <2> 10 Yes WARNING in nf_ct_bridge_post https://syzkaller.appspot.com/bug?extid=a8ba738fe2db6b4bb27f <3> 7 No KASAN: invalid-free in rcu_free_sheaf https://syzkaller.appspot.com/bug?extid=60332fd095f8bb2946ad <4> 1977 Yes INFO: task hung in addrconf_dad_work (5) https://syzkaller.appspot.com/bug?extid=82ccd564344eeaa5427d <5> 706 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <6> 176 Yes INFO: rcu detected stall in br_handle_frame (6) https://syzkaller.appspot.com/bug?extid=f8850bc3986562f79619 <7> 148 Yes INFO: rcu detected stall in NF_HOOK (2) https://syzkaller.appspot.com/bug?extid=34c2df040c6cfa15fdfe <8> 82 Yes INFO: task hung in nfnetlink_rcv_msg (5) https://syzkaller.appspot.com/bug?extid=c4b20b80ee6a7a2f5012 --- 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.