From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755935Ab3A0Tt3 (ORCPT ); Sun, 27 Jan 2013 14:49:29 -0500 Received: from mx1.redhat.com ([209.132.183.28]:46435 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755876Ab3A0Tt2 (ORCPT ); Sun, 27 Jan 2013 14:49:28 -0500 Date: Sun, 27 Jan 2013 20:48:33 +0100 From: Oleg Nesterov To: Ingo Molnar , Srikar Dronamraju , Steven Rostedt Cc: Anton Arapov , Frank Eigler , Josh Stone , Masami Hiramatsu , "Suzuki K. Poulose" , linux-kernel@vger.kernel.org Subject: [PATCH 1/4] uprobes: Fix dentry/mount leak in create_trace_uprobe() Message-ID: <20130127194833.GA25395@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130127194814.GA25377@redhat.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org create_trace_uprobe() does kern_path() to find ->d_inode, but forgets to do path_put(). We can do this right after igrab(). Signed-off-by: Oleg Nesterov --- kernel/trace/trace_uprobe.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index f3fd8ff..53afabe 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -255,12 +255,13 @@ static int create_trace_uprobe(int argc, char **argv) if (ret) goto fail_address_parse; + inode = igrab(path.dentry->d_inode); + path_put(&path); + ret = kstrtoul(arg, 0, &offset); if (ret) goto fail_address_parse; - inode = igrab(path.dentry->d_inode); - argc -= 2; argv += 2; -- 1.5.5.1