From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 191B2C433EF for ; Thu, 10 Feb 2022 16:39:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244412AbiBJQjm (ORCPT ); Thu, 10 Feb 2022 11:39:42 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:51072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230018AbiBJQjm (ORCPT ); Thu, 10 Feb 2022 11:39:42 -0500 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 652621A8; Thu, 10 Feb 2022 08:39:43 -0800 (PST) Received: by mail-pl1-x629.google.com with SMTP id 10so2303324plj.1; Thu, 10 Feb 2022 08:39:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=VyCvMQvGVY3kjERzylhRvh9eJlWVE5dyq2500svQ1kU=; b=d8Bk8D7R2QV4lPQwQRa9qVRlrjTslInRci86Cq8Y5GNky2l5t8OEne2EZxM3ML5p4X jxIVXKW0BwRaHOGDPBlYJW2FRum2UTwFz/mbe8+Jaqa4RJzfAUebfcZ/euV+kusRR6Lu ln/PrH81nG0ViGbdrf/zH9HQe2HGTbjWiFSroPuw8EJSBhYrVJt1+6+ILtVyh0si/Lyk TBZksXwTtifJXsFcQAYna71yZw0F/hhos7sPHzQPv5dk7DRC0v53Xt1mir/UrDav0V/x 5bM678lUoBhpfTHYCnzOPbRju0OZ7+b4jdKuHBRrStoDzImW+SHDF1oxWzKKZhGyhIyB JCUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=VyCvMQvGVY3kjERzylhRvh9eJlWVE5dyq2500svQ1kU=; b=4BzjDFWnGRIdixiJT8QxHf9YlP78JrT6AXMDpgycu5ooo1+lQe/ZUAwIDC049bfS1q p7lK3IZtGXvXuNliR2N8hklQSRICNNfKvYf6lHsnPx+6NCpgtBOzTCZiQAkLLQRN07QD pEAYDPq14C9XR8h5C7Vkb+ecLt9XRp6bACAvv7/A68CvzCg1I3O355FfW0iWFNz4Mp/d gWMqB8bktcKnqov/N+OE3H9XMeI64YAeHqCXc/p/tsy91jYuiidSyg+sG+lGJe6eIbh7 RvM6mkUAO9UZYhDGRybe/G+rhuvyTrqO1j/yMaVR7a5GMDj25df8h6zB6YS+3kSRfzYb yadQ== X-Gm-Message-State: AOAM530KOihjTuPPCeDOD8ydAfKAaaLdUSJv+Yy05/39lqz0GY4jeBKM 5qxexFtbEqb6SJbGBg+ewCg= X-Google-Smtp-Source: ABdhPJzhSEdlxQmJY5qsBi6VTBQgg4dInmdj2X7NVorqBfzv4Q6bf37GrGNxmKssnGJee04i9DPkgQ== X-Received: by 2002:a17:90a:688e:: with SMTP id a14mr3696420pjd.63.1644511182802; Thu, 10 Feb 2022 08:39:42 -0800 (PST) Received: from [192.168.86.21] (c-73-241-150-58.hsd1.ca.comcast.net. [73.241.150.58]) by smtp.gmail.com with ESMTPSA id d16sm17367918pfj.1.2022.02.10.08.39.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Feb 2022 08:39:42 -0800 (PST) Message-ID: <9bb39c37-0fc9-f4a7-dd4b-897f0a8fae18@gmail.com> Date: Thu, 10 Feb 2022 08:39:40 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [syzbot] WARNING in mroute_clean_tables Content-Language: en-US To: syzbot , davem@davemloft.net, dsahern@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org References: <000000000000ad4e9c05d7aa7064@google.com> From: Eric Dumazet In-Reply-To: <000000000000ad4e9c05d7aa7064@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 2/10/22 06:05, syzbot wrote: > syzbot has found a reproducer for the following issue on: > > HEAD commit: e5313968c41b Merge branch 'Split bpf_sk_lookup remote_port.. > git tree: bpf-next > console output: https://syzkaller.appspot.com/x/log.txt?x=141c859a700000 > kernel config: https://syzkaller.appspot.com/x/.config?x=c40b67275bfe2a58 > dashboard link: https://syzkaller.appspot.com/bug?extid=a7c030a05218db921de5 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=130486f8700000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d9f758700000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+a7c030a05218db921de5@syzkaller.appspotmail.com #syz fix: ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path