From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262794AbUDQFmT (ORCPT ); Sat, 17 Apr 2004 01:42:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263672AbUDQFmS (ORCPT ); Sat, 17 Apr 2004 01:42:18 -0400 Received: from holomorphy.com ([207.189.100.168]:32137 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S262794AbUDQFk6 (ORCPT ); Sat, 17 Apr 2004 01:40:58 -0400 Date: Fri, 16 Apr 2004 22:40:57 -0700 From: William Lee Irwin III To: linux-kernel@vger.kernel.org Subject: [5/5] sparc32 stack bounds checking Message-ID: <20040417054057.GA743@holomorphy.com> Mail-Followup-To: William Lee Irwin III , linux-kernel@vger.kernel.org References: <20040417053538.GA20534@holomorphy.com> <20040417053712.GW743@holomorphy.com> <20040417053805.GX743@holomorphy.com> <20040417053905.GY743@holomorphy.com> <20040417053957.GZ743@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040417053957.GZ743@holomorphy.com> User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Index: wli-2.6.5-mm6/arch/sparc/kernel/process.c =================================================================== --- wli-2.6.5-mm6.orig/arch/sparc/kernel/process.c 2004-04-14 23:21:03.000000000 -0700 +++ wli-2.6.5-mm6/arch/sparc/kernel/process.c 2004-04-16 10:38:51.000000000 -0700 @@ -318,7 +318,7 @@ fp = (unsigned long) _ksp; do { /* Bogus frame pointer? */ - if (fp < (task_base + sizeof(struct task_struct)) || + if (fp < (task_base + sizeof(struct thread_info)) || fp >= (task_base + (PAGE_SIZE << 1))) break; rw = (struct reg_window *) fp; @@ -710,7 +710,7 @@ fp = task->thread_info->ksp + bias; do { /* Bogus frame pointer? */ - if (fp < (task_base + sizeof(struct task_struct)) || + if (fp < (task_base + sizeof(struct thread_info)) || fp >= (task_base + (2 * PAGE_SIZE))) break; rw = (struct reg_window *) fp;