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From: Chen Gang <gang.chen@asianux.com>
To: Eric Paris <eparis@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] kernel/audit_tree.c: tree will memory leak when failure occurs for audit_trim_trees()
Date: Fri, 19 Apr 2013 17:39:06 +0800	[thread overview]
Message-ID: <517110BA.5070806@asianux.com> (raw)


in audit_trim_trees(), has called get_tree() before failure occurs,
so need also call put_tree after go to skip_it:

Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
 kernel/audit_tree.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 642a89c..de46ec0 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -617,10 +617,10 @@ void audit_trim_trees(void)
 		}
 		spin_unlock(&hash_lock);
 		trim_marked(tree);
-		put_tree(tree);
 		drop_collected_mounts(root_mnt);
 skip_it:
 		mutex_lock(&audit_filter_mutex);
+		put_tree(tree);
 	}
 	list_del(&cursor);
 	mutex_unlock(&audit_filter_mutex);
-- 
1.7.7.6

             reply	other threads:[~2013-04-19  9:39 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-19  9:39 Chen Gang [this message]
2013-04-22 23:04 ` [PATCH] kernel/audit_tree.c: tree will memory leak when failure occurs for audit_trim_trees() Andrew Morton
2013-04-23  1:46   ` Chen Gang
2013-05-06  7:41   ` [PATCH kernel-next] kernel/audit_tree.c: fix the original version merging issue for put_tree() Chen Gang
2013-05-09 12:53   ` [PATCH v2] kernel: audit_tree: resource management: need put_tree and goto Err when failure occures Chen Gang
2013-05-09 20:11     ` Andrew Morton
2013-05-10  2:08       ` Chen Gang
2013-05-10  9:50         ` Chen Gang
2013-05-10 11:29           ` Chen Gang
2013-05-13  2:54             ` Chen Gang

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