From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <545B3148.8000704@lab.ntt.co.jp> Date: Thu, 06 Nov 2014 17:28:56 +0900 From: Toshiaki Makita MIME-Version: 1.0 References: <1415255192-13584-1-git-send-email-suhyun.park@ahnlab.com> <545B1E27.3080302@lab.ntt.co.jp> <8D1F1238A24CE743B8F3CED0F137C69E408AA087@EXMB02.ahnbang.ahnlab.com> In-Reply-To: <8D1F1238A24CE743B8F3CED0F137C69E408AA087@EXMB02.ahnbang.ahnlab.com> Content-Type: text/plain; charset="euc-kr" Content-Transfer-Encoding: base64 Subject: Re: [Bridge] [PATCH] bridge: missing null bridge device check causing null pointer dereference (bugfix) List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?EUC-KR?B?udq89sf2?= , Stephen Hemminger , "David S. Miller" Cc: "netdev@vger.kernel.org" , "bridge@lists.linux-foundation.org" , "linux-kernel@vger.kernel.org" T24gMjAxNC8xMS8wNiAxNjo1OCwgudq89sf2IHdyb3RlOgo+PiAtLS0tLU9yaWdpbmFsIE1lc3Nh Z2UtLS0tLQo+PiBGcm9tOiBUb3NoaWFraSBNYWtpdGEgW21haWx0bzptYWtpdGEudG9zaGlha2lA bGFiLm50dC5jby5qcF0KPj4gU2VudDogVGh1cnNkYXksIE5vdmVtYmVyIDA2LCAyMDE0IDQ6MDcg UE0KPj4gVG86ILnavPbH9jsgU3RlcGhlbiBIZW1taW5nZXI7IERhdmlkIFMuIE1pbGxlcgo+PiBD YzogYnJpZGdlQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnOyBuZXRkZXZAdmdlci5rZXJuZWwu b3JnOyBsaW51eC0KPj4ga2VybmVsQHZnZXIua2VybmVsLm9yZwo+PiBTdWJqZWN0OiBSZTogW1BB VENIXSBicmlkZ2U6IG1pc3NpbmcgbnVsbCBicmlkZ2UgZGV2aWNlIGNoZWNrIGNhdXNpbmcgbnVs bAo+PiBwb2ludGVyIGRlcmVmZXJlbmNlIChidWdmaXgpCj4+Cj4+IE9uIDIwMTQvMTEvMDYgMTU6 MjYsIFN1LUh5dW4gUGFyayB3cm90ZToKPj4+IHRoZSBicmlkZ2UgZGV2aWNlIGNhbiBiZSBudWxs IGlmIHRoZSBicmlkZ2UgaXMgYmVpbmcgZGVsZXRlZCB3aGlsZQo+Pj4gcHJvY2Vzc2luZyB0aGUg cGFja2V0LCB3aGljaCBjYXVzZXMgdGhlIG51bGwgcG9pbnRlciBkZXJlZmVyZW5jZSBpbgo+PiBz d2l0Y2ggc3RhdGVtZW50Lgo+Pgo+PiBIb3cgY2FuIHRoaXMgaGFwcGVuPz8KPj4gSXQgaXMgZ3Vh cmRlZCBieSByY3UuCj4+IG5ldGRldl9yeF9oYW5kbGVyX3VucmVnaXN0ZXIoKSBlbnN1cmVzIHJ4 X2hhbmRsZXJfZGF0YSBpcyBub24gTlVMTC4KPj4KPiAKPiBUaGUgUkNVIHByb3RlY3QgcnhfaGFu ZGxlcl9kYXRhLCBub3QgdGhlIGJyaWRnZSBtZW1iZXIgcG9ydC4gSXQgY2FuIGJlIE5VTEwgYWNj b3JkaW5nIHRvIGJlbG93IGNvZGUuCj4gCj4gc3RhdGljIGlubGluZSBzdHJ1Y3QgbmV0X2JyaWRn ZV9wb3J0ICpicl9wb3J0X2dldF9yY3UoY29uc3Qgc3RydWN0IG5ldF9kZXZpY2UgKmRldikgewo+ IAlzdHJ1Y3QgbmV0X2JyaWRnZV9wb3J0ICpwb3J0ID0gcmN1X2RlcmVmZXJlbmNlKGRldi0+cnhf aGFuZGxlcl9kYXRhKTsKPiAJcmV0dXJuIGJyX3BvcnRfZXhpc3RzKGRldikgPyBwb3J0IDogTlVM TDsgCj4gfQoKU2VlbXMgdG8gaGF2ZSBiZWVuIGZpeGVkIGZvciBhIHllYXIuCjcxNmVjMDUyZDIy OCAoImJyaWRnZTogZml4IE5VTEwgcG9pbnRlciBkZXJlZiBvZiBicl9wb3J0X2dldF9yY3UiKQoK VGhhbmtzLApUb3NoaWFraSBNYWtpdGEKCg==