From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752400AbcF1Iyb (ORCPT ); Tue, 28 Jun 2016 04:54:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36214 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751419AbcF1Iy2 (ORCPT ); Tue, 28 Jun 2016 04:54:28 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20160628075546.GA15690@gondor.apana.org.au> References: <20160628075546.GA15690@gondor.apana.org.au> <1eeb00c5098d8096cdb61dc7ee1ddc61b3e80f9e.1466974736.git.luto@kernel.org> <699.1467100340@warthog.procyon.org.uk> To: Herbert Xu Cc: dhowells@redhat.com, Andy Lutomirski , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Borislav Petkov , Nadav Amit , Kees Cook , Brian Gerst , "kernel-hardening@lists.openwall.com" , Linus Torvalds , Josh Poimboeuf , Jann Horn , Heiko Carstens Subject: Re: [PATCH v4 02/29] rxrpc: Avoid using stack memory in SG lists in rxkad MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <4338.1467104063.1@warthog.procyon.org.uk> Date: Tue, 28 Jun 2016 09:54:23 +0100 Message-ID: <4339.1467104063@warthog.procyon.org.uk> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 28 Jun 2016 08:54:28 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Herbert Xu wrote: > > ???? I assume you're assuming that the rxrpc_skb_priv struct contents can > > arbitrarily replaced temporarily... > > Of course you can, it's per-skb state. I'm using the per-skb state for my own purposes and might be looking at it elsewhere at the same time. David