Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756541AbYH0Nqi (ORCPT ); Wed, 27 Aug 2008 09:46:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756107AbYH0Nq0 (ORCPT ); Wed, 27 Aug 2008 09:46:26 -0400 Received: from mx1.redhat.com ([66.187.233.31]:34220 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755657AbYH0NqZ (ORCPT ); Wed, 27 Aug 2008 09:46:25 -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 Subject: [PATCH 06/59] CRED: Wrap task credential accesses in the x86 arch To: linux-kernel@vger.kernel.org Cc: linux-security-module@vger.kernel.org, David Howells , Serge Hallyn , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Date: Wed, 27 Aug 2008 14:46:13 +0100 Message-ID: <20080827134613.19980.98963.stgit@warthog.procyon.org.uk> In-Reply-To: <20080827134541.19980.61042.stgit@warthog.procyon.org.uk> References: <20080827134541.19980.61042.stgit@warthog.procyon.org.uk> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1429 Lines: 40 Wrap access to task credentials so that they can be separated more easily from the task_struct during the introduction of COW creds. Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id(). Change some task->e?[ug]id to task_e?[ug]id(). In some places it makes more sense to use RCU directly rather than a convenient wrapper; these will be addressed by later patches. Signed-off-by: David Howells Reviewed-by: James Morris Acked-by: Serge Hallyn Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin --- arch/x86/mm/fault.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index b9f367f..17d74be 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -395,7 +395,7 @@ static void show_fault_oops(struct pt_regs *regs, unsigned long error_code, if (pte && pte_present(*pte) && !pte_exec(*pte)) printk(KERN_CRIT "kernel tried to execute " "NX-protected page - exploit attempt? " - "(uid: %d)\n", current->uid); + "(uid: %d)\n", current_uid()); } #endif -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/