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[209.132.180.67]) by mx.google.com with ESMTP id j16si6603140eda.161.2019.11.15.05.15.44; Fri, 15 Nov 2019 05:16:10 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Xv6inqLn; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727472AbfKONOa (ORCPT + 99 others); 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-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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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.