From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Subject: Re: array bounds warning in xfrm_output_resume Date: Thu, 20 Sep 2018 15:53:38 -0700 Message-ID: <5417cfdb-3ee7-b452-8321-f0008192af9d@gmail.com> References: <8808f8a3-ea1c-f91b-8288-cc4952086f04@gmail.com> <20180920140617.uybaha3n7iz6ckvn@breakpoint.cc> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Cc: "netdev@vger.kernel.org" To: Florian Westphal Return-path: Received: from mail-pg1-f178.google.com ([209.85.215.178]:35859 "EHLO mail-pg1-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725861AbeIUEja (ORCPT ); Fri, 21 Sep 2018 00:39:30 -0400 Received: by mail-pg1-f178.google.com with SMTP id d1-v6so5106880pgo.3 for ; Thu, 20 Sep 2018 15:53:41 -0700 (PDT) In-Reply-To: <20180920140617.uybaha3n7iz6ckvn@breakpoint.cc> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 9/20/18 7:06 AM, Florian Westphal wrote: > David Ahern wrote: >>> $ make O=kbuild/perf -j 24 -s >>> In file included from /home/dsa/kernel-3.git/include/linux/kernel.h:10:0, >>> from /home/dsa/kernel-3.git/include/linux/list.h:9, >>> from /home/dsa/kernel-3.git/include/linux/module.h:9, >>> from /home/dsa/kernel-3.git/net/xfrm/xfrm_output.c:13: >>> /home/dsa/kernel-3.git/net/xfrm/xfrm_output.c: In function >>> ‘xfrm_output_resume’: >>> /home/dsa/kernel-3.git/include/linux/compiler.h:252:20: warning: array >>> subscript is above array bounds [-Warray-bounds] >>> __read_once_size(&(x), __u.__c, sizeof(x)); \ > > Does this thing avoid the warning? nope, still see it.