From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752183AbdJFLjk (ORCPT ); Fri, 6 Oct 2017 07:39:40 -0400 Received: from forwardcorp1j.cmail.yandex.net ([5.255.227.106]:49240 "EHLO forwardcorp1j.cmail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752126AbdJFLje (ORCPT ); Fri, 6 Oct 2017 07:39:34 -0400 Authentication-Results: smtpcorp1o.mail.yandex.net; dkim=pass header.i=@yandex-team.ru Subject: [PATCH] kmemleak: change /sys/kernel/debug/kmemleak permissions from 0444 to 0644 From: Konstantin Khlebnikov To: linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org, Catalin Marinas Date: Fri, 06 Oct 2017 14:39:25 +0300 Message-ID: <150728996582.744328.11541332857988399411.stgit@buzz> User-Agent: StGit/0.17.1-dirty 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 Kmemleak could be tweaked in runtime by writing commands into debugfs file. Root anyway can use it, but without write-bit this interface isn't obvious. Signed-off-by: Konstantin Khlebnikov --- mm/kmemleak.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 7780cd83a495..fca3452e56c1 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -2104,7 +2104,7 @@ static int __init kmemleak_late_init(void) return -ENOMEM; } - dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL, + dentry = debugfs_create_file("kmemleak", 0644, NULL, NULL, &kmemleak_fops); if (!dentry) pr_warn("Failed to create the debugfs kmemleak file\n");