From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757025Ab0ANW3i (ORCPT ); Thu, 14 Jan 2010 17:29:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932361Ab0ANW3I (ORCPT ); Thu, 14 Jan 2010 17:29:08 -0500 Received: from kroah.org ([198.145.64.141]:60731 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756900Ab0ANW3D (ORCPT ); Thu, 14 Jan 2010 17:29:03 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@kernel.org, stable-review@kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, Al Viro , Al Viro , Greg Kroah-Hartman Subject: [PATCH 49/52] fix more leaks in audit_tree.c tag_chunk() Date: Thu, 14 Jan 2010 14:27:28 -0800 Message-Id: <1263508051-7868-49-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.6.6 In-Reply-To: <1263508051-7868-48-git-send-email-gregkh@suse.de> References: <20100114222551.GA7839@suse.de> <1263508051-7868-1-git-send-email-gregkh@suse.de> <1263508051-7868-2-git-send-email-gregkh@suse.de> <1263508051-7868-3-git-send-email-gregkh@suse.de> <1263508051-7868-4-git-send-email-gregkh@suse.de> <1263508051-7868-5-git-send-email-gregkh@suse.de> <1263508051-7868-6-git-send-email-gregkh@suse.de> <1263508051-7868-7-git-send-email-gregkh@suse.de> <1263508051-7868-8-git-send-email-gregkh@suse.de> <1263508051-7868-9-git-send-email-gregkh@suse.de> <1263508051-7868-10-git-send-email-gregkh@suse.de> <1263508051-7868-11-git-send-email-gregkh@suse.de> <1263508051-7868-12-git-send-email-gregkh@suse.de> <1263508051-7868-13-git-send-email-gregkh@suse.de> <1263508051-7868-14-git-send-email-gregkh@suse.de> <1263508051-7868-15-git-send-email-gregkh@suse.de> <1263508051-7868-16-git-send-email-gregkh@suse.de> <1263508051-7868-17-git-send-email-gregkh@suse.de> <1263508051-7868-18-git-send-email-gregkh@suse.de> <1263508051-7868-19-git-send-email-gregkh@suse.de> <1263508051-7868-20-git-send-email-gregkh@suse.de> <1263508051-7868-21-git-send-email-gregkh@suse.de> <1263508051-7868-22-git-send-email-gregkh@suse.de> <1263508051-7868-23-git-send-email-gregkh@suse.de> <1263508051-7868-24-git-send-email-gregkh@suse.de> <1263508051-7868-25-git-send-email-gregkh@suse.de> <1263508051-7868-26-git-send-email-gregkh@suse.de> <1263508051-7868-27-git-send-email-gregkh@suse.de> <1263508051-7868-28-git-send-email-gregkh@suse.de> <1263508051-7868-29-git-send-email-gregkh@suse.de> <1263508051-7868-30-git-send-email-gregkh@suse.de> <1263508051-7868-31-git-send-email-gregkh@suse.de> <1263508051-7868-32-git-send-email-gregkh@suse.de> <1263508051-7868-33-git-send-email-gregkh@suse.de> <1263508051-7868-34-git-send-email-gregkh@suse.de> <1263508051-7868-35-git-send-email-gregkh@suse.de> <1263508051-7868-36-git-send-email-gregkh@suse.de> <1263508051-7868-37-git-send-email-gregkh@suse.de> <1263508051-7868-38-git-send-email-gregkh@suse.de> <1263508051-7868-39-git-send-email-gregkh@suse.de> <1263508051-7868-40-git-send-email-gregkh@suse.de> <1263508051-7868-41-git-send-email-gregkh@suse.de> <1263508051-7868-42-git-send-email-gregkh@suse.de> <1263508051-7868-43-git-send-email-gregkh@suse.de> <1263508051-7868-44-git-send-email-gregkh@suse.de> <1263508051-7868-45-git-send-email-gregkh@suse.de> <1263508051-7868-46-git-send-email-gregkh@suse.de> <1263508051-7868-47-git-send-email-gregkh@suse.de> <1263508051-7868-48-git-send-email-gregkh@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Al Viro commit b4c30aad39805902cf5b855aa8a8b22d728ad057 upstream. Several leaks in audit_tree didn't get caught by commit 318b6d3d7ddbcad3d6867e630711b8a705d873d7, including the leak on normal exit in case of multiple rules refering to the same chunk. Signed-off-by: Al Viro Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- kernel/audit_tree.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index b36aa96..4b05bd9 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -373,15 +373,17 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) for (n = 0; n < old->count; n++) { if (old->owners[n].owner == tree) { spin_unlock(&hash_lock); - put_inotify_watch(watch); + put_inotify_watch(&old->watch); return 0; } } spin_unlock(&hash_lock); chunk = alloc_chunk(old->count + 1); - if (!chunk) + if (!chunk) { + put_inotify_watch(&old->watch); return -ENOMEM; + } mutex_lock(&inode->inotify_mutex); if (inotify_clone_watch(&old->watch, &chunk->watch) < 0) { @@ -425,7 +427,8 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) spin_unlock(&hash_lock); inotify_evict_watch(&old->watch); mutex_unlock(&inode->inotify_mutex); - put_inotify_watch(&old->watch); + put_inotify_watch(&old->watch); /* pair to inotify_find_watch */ + put_inotify_watch(&old->watch); /* and kill it */ return 0; } -- 1.6.6