Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1950826AbdDYPm5 (ORCPT ); Tue, 25 Apr 2017 11:42:57 -0400 Received: from mail-lf0-f41.google.com ([209.85.215.41]:33564 "EHLO mail-lf0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1950560AbdDYPms (ORCPT ); Tue, 25 Apr 2017 11:42:48 -0400 Subject: Re: [PATCH 1/5] skbuff: return -EMSGSIZE in skb_to_sgvec to prevent overflow To: "Jason A. Donenfeld" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, davem@davemloft.net, David.Laight@aculab.com, kernel-hardening@lists.openwall.com References: <20170425140809.23881-1-Jason@zx2c4.com> From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: <00e2b74b-69cd-07c5-6a0e-5b3e856a783e@cogentembedded.com> Date: Tue, 25 Apr 2017 18:42:44 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20170425140809.23881-1-Jason@zx2c4.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 356 Lines: 14 Hello! On 04/25/2017 05:08 PM, Jason A. Donenfeld wrote: > This is a defense-in-depth measure in response to bugs like > 4d6fa57b4dab0d77f4d8e9d9c73d1e63f6fe8fee. You need to also specify the summary line enclosed in (""). And it's enough to specify 12 digits of SHA1 ID... > Signed-off-by: Jason A. Donenfeld [...] MBR, Sergei