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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F5B3C432C3 for ; Fri, 15 Nov 2019 13:14:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 381AA2073A for ; Fri, 15 Nov 2019 13:14:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Xv6inqLn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727461AbfKONOa (ORCPT ); Fri, 15 Nov 2019 08:14:30 -0500 Received: from mail-pf1-f194.google.com ([209.85.210.194]:41751 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727223AbfKONOa (ORCPT ); Fri, 15 Nov 2019 08:14:30 -0500 Received: by mail-pf1-f194.google.com with SMTP id p26so6659840pfq.8; Fri, 15 Nov 2019 05:14:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=vjaotZdk3GSTT95AfoQh9M1LKSx6XuqLnLrFhIfRlF8=; b=Xv6inqLn3tjxqPEIhT0bqA7kUI6M50KVcOE0EXlgtudqSBvx/8zvQeV82Sn8qcvPwp HdRCXfJhmu+AfD9OYy0BR1Fxd3kOf75EzoNS++EVexy/QXuiB/QfnayTdUugc2swWVWe yYtRLdDnHh5Y8KQlo6OSlCSl7nHQVnjYs7WpssCDEskTX4l+zFkO4VizUmawlgcwDnUf kFwAUDFpEannJ9IU98EJscwyT+ftv9ee8+QWJhn7wXTefcVqdNKFF2qkbxp1RvG+Bxos d7EaFiWByVtoMRGavoMYAeHhBZqMpFc6HPKF522foq7oWkcqwbIZcHjS10xEzgRkpFMO NMvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=vjaotZdk3GSTT95AfoQh9M1LKSx6XuqLnLrFhIfRlF8=; b=BCvSFQxLKn1nw1bwhl41dL1iQZB8aoqRqtH3zQx+r8xbqfKWLA78tz7hzvJ/iq2o+m MNDkiwbFcdeaiheIapfgJ0KnHkH0MEcpGIybCycqOM0Rq+oYWDByrlC9rFP6jqQDn89o emmNljDDQ6w1cGhUkV48U2Ly0RhBG2VRIRc2WvTwtEnlBITIR9mdvigh6u2XjzmZ4VtQ ypq2jnam+ZnOpQV/eXnXRwOrq+mhaCm3Wqn+5TXufFhegO+ySE5PjalvZWYLVw6ahtQi HP2Wq5VjhDaqCrkdRcElAtiNvh+R93edvx6cJhohd4llEHgBV4iTptS5Go/AEw68DvDA NAcg== X-Gm-Message-State: APjAAAWEY15wnmtoLKFw7WTyxo9a9Oz8u7zamKaEzOdlCgpQyVoSQrgQ xh7LF79DWQ1jli1qOvjRdEE= X-Google-Smtp-Source: APXvYqwRDyFEH2e4zhdQUYBI9ZMDv4S1tacfNj9jD7sN9JQWQ8sOlpyKij2ZLBxKKRLWXm5owZlQjg== X-Received: by 2002:a62:ac06:: with SMTP id v6mr17066728pfe.210.1573823667863; Fri, 15 Nov 2019 05:14:27 -0800 (PST) Received: from dahern-DO-MB.local ([2601:282:800:fd80:c9ae:cf0c:82df:2536]) by smtp.googlemail.com with ESMTPSA id u3sm10360008pgp.51.2019.11.15.05.14.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Nov 2019 05:14:26 -0800 (PST) Subject: Re: [PATCH] vrf: Fix possible NULL pointer oops when delete nic To: "wangxiaogang (F)" , dsahern@kernel.org, shrijeet@gmail.com, davem@davemloft.net Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, hujunwei4@huawei.com, xuhanbing@huawei.com References: <60e827cb-2bba-2b7e-55dc-651103e9905f@huawei.com> From: David Ahern Message-ID: Date: Fri, 15 Nov 2019 06:14:25 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <60e827cb-2bba-2b7e-55dc-651103e9905f@huawei.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 11/14/19 11:22 PM, wangxiaogang (F) wrote: > From: XiaoGang Wang > > Recently we get a crash when access illegal address (0xc0), > which will occasionally appear when deleting a physical NIC with vrf. > How long have you been running this test? I am wondering if this is fallout from the recent adjacency changes in commits 5343da4c1742 through f3b0a18bb6cb.