Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932197AbWAVWT3 (ORCPT ); Sun, 22 Jan 2006 17:19:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932239AbWAVWT2 (ORCPT ); Sun, 22 Jan 2006 17:19:28 -0500 Received: from saturn.cs.uml.edu ([129.63.8.2]:12301 "EHLO saturn.cs.uml.edu") by vger.kernel.org with ESMTP id S932197AbWAVWT2 (ORCPT ); Sun, 22 Jan 2006 17:19:28 -0500 Date: Sun, 22 Jan 2006 17:19:03 -0500 (EST) Message-Id: <200601222219.k0MMJ3Qg209555@saturn.cs.uml.edu> From: "Albert D. Cahalan" To: linux-kernel@vger.kernel.org, akpm@osdl.org, arjan@infradead.org Subject: [PATCH 4/4] pmap: reduced permissions Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1647 Lines: 44 This patch changes all 3 remaining maps files to be readable only for the file owner. There have been privacy concerns. Fedora Core 4 has been shipping with such permissions on the /proc/*/maps file already. General system monitoring tools seldom use these files. Signed-off-by: Albert Cahalan --- This applies to -git4, grabbed Saturday night. diff -Naurd 3/fs/proc/base.c 4/fs/proc/base.c --- 3/fs/proc/base.c 2006-01-22 15:23:13.000000000 -0500 +++ 4/fs/proc/base.c 2006-01-22 15:44:16.000000000 -0500 @@ -202,7 +202,7 @@ E(PROC_TGID_EXE, "exe", S_IFLNK|S_IRWXUGO), E(PROC_TGID_MOUNTS, "mounts", S_IFREG|S_IRUGO), #ifdef CONFIG_MMU - E(PROC_TGID_PMAP, "pmap", S_IFREG|S_IRUGO), + E(PROC_TGID_PMAP, "pmap", S_IFREG|S_IRUSR), #endif #ifdef CONFIG_SECURITY E(PROC_TGID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO), @@ -231,9 +231,9 @@ E(PROC_TID_CMDLINE, "cmdline", S_IFREG|S_IRUGO), E(PROC_TID_STAT, "stat", S_IFREG|S_IRUGO), E(PROC_TID_STATM, "statm", S_IFREG|S_IRUGO), - E(PROC_TID_MAPS, "maps", S_IFREG|S_IRUGO), + E(PROC_TID_MAPS, "maps", S_IFREG|S_IRUSR), #ifdef CONFIG_NUMA - E(PROC_TID_NUMA_MAPS, "numa_maps", S_IFREG|S_IRUGO), + E(PROC_TID_NUMA_MAPS, "numa_maps", S_IFREG|S_IRUSR), #endif E(PROC_TID_MEM, "mem", S_IFREG|S_IRUSR|S_IWUSR), #ifdef CONFIG_SECCOMP - 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/