From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (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 B26272DB7B2 for ; Thu, 26 Feb 2026 12:58:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772110718; cv=none; b=k/ypCXNXHrplrUwQCmAUNgKmUgeoxhNlfc+eZhGaI3HqW4a03YN8pqXZ5e1xDrdMSAYRNaw20WHpXSrMNYO8o6S4thvQ8IqGIjeES0dSxrOdov99MDkFGj8ib7LsS3LTeYWYut2K8bfiywrTx+iL8uGak7v8cgHWOvF1V249we8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772110718; c=relaxed/simple; bh=TiqbeE6FK5tIk/RJQnJ1wxvW8bDjSQKh5wvvtBQbv4g=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=C5jyDEmGgh+jp/OrZvCpGd2gpDnj2And1esYmDt4VDjLW6sraRrRjq+6tjAsXewimwFORCnM5T2IVjwyObl5s3RbhrjmxATMRutCghbZx3LscKk75KutTZMqc0n2rlbtu8pdOPcSgo3ELdi6vRSo4ahLRyyh32ZivqWVavMGg7o= 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=209.85.210.69 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-ot1-f69.google.com with SMTP id 46e09a7af769-7d4d6edec7eso4870304a34.1 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=1772110716; x=1772715516; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=ahVCnuEXR3Y0gW4V9lcm+HW1q/eix0cX0sztaTxYmyk=; b=YOEo/S7YWfKJWcz+4XzuPJ7ie2BuDFImhPTZWwDJ/WGYg/P0mqJ+gSgr1ERlIayw+O lCHvwOtT/u+2GeCWLUuaqXyHY0mYtzQ2PDyp1tZKmtlfqfxcZgFFcRJ35vqgsPY9ti9/ QPEsrOpzWmQayglch8qjMs8SUM+/l49ptxR0KLSwEdUY2veircq/ktyo5eCN3ETwX/sL DUN1UMhz76XCXCSJNPooih/9/9ztlEgAkPVIhF02ckQ3ue7VOAaiRDPaIJfhFhR4/FLk i74d2FPjDPh5Nz6Wwp0UC3xZmkWnbYk7a8ep5WqBDgW0+J+rOWJRNbQPQmybvRzVsxBK TI3g== X-Forwarded-Encrypted: i=1; AJvYcCVMvd65e09CMoBraYckVyUAtmVUhqm+fVn6ggbHuMm6on1r7pTR3TRqpapmuhtcDTkA0297gMPKBILbv7w=@vger.kernel.org X-Gm-Message-State: AOJu0YzVN9IUabXqA8zQd/8IhgOVSqOfxEfm7B187GTGX6lUGrOk5Udu VT0ZWPVaPWOKGf7PCcPipxScfJ/aurc3K4ZwPfH1OqXLPqNIjuCtBpj2q7eyXfFb4Rn8uhi3N+8 rrjZ7q4L1RTxI+wHJBIc0qCLj9DNnzB/+iMAOFZ2AiAV6q0i/XzbIQb0IKFU= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:169e:b0:662:c0f7:bed8 with SMTP id 006d021491bc7-679ef7fb075mr1712875eaf.12.1772110715794; 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.00e9.GAE@google.com> Subject: [syzbot] Monthly netfilter report (Feb 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, 1 new issues were detected and 2 were fixed. In total, 15 issues are still open and 194 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 4865 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <2> 906 Yes BUG: unable to handle kernel paging request in ip_route_output_key_hash_rcu https://syzkaller.appspot.com/bug?extid=334190e097a98a1b81bb <3> 671 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <4> 311 Yes INFO: rcu detected stall in gc_worker (3) https://syzkaller.appspot.com/bug?extid=eec403943a2a2455adaa <5> 47 No WARNING in nf_hook_entry_head (2) https://syzkaller.appspot.com/bug?extid=6f6a1d20567a8d6b2a58 <6> 32 Yes KASAN: use-after-free Read in nf_hook_entry_head https://syzkaller.appspot.com/bug?extid=bb9127e278fa198e110c <7> 14 Yes WARNING in __nf_unregister_net_hook (9) https://syzkaller.appspot.com/bug?extid=78ac1e46d2966eb70fda --- 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.