[PATCH 3.11 33/94] ecryptfs: Fix memory leakage in keystore.c

[Greg Kroah-Hartman]

3.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Geyslan G. Bem" <geyslan@xxxxxxxxx>

commit 3edc8376c06133e3386265a824869cad03a4efd4 upstream.

In 'decrypt_pki_encrypted_session_key' function:

Initializes 'payload' pointer and releases it on exit.

Signed-off-by: Geyslan G. Bem <geyslan@xxxxxxxxx>
Signed-off-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/ecryptfs/keystore.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -1149,7 +1149,7 @@ decrypt_pki_encrypted_session_key(struct
 	struct ecryptfs_msg_ctx *msg_ctx;
 	struct ecryptfs_message *msg = NULL;
 	char *auth_tok_sig;
-	char *payload;
+	char *payload = NULL;
 	size_t payload_len = 0;
 	int rc;
 
@@ -1203,6 +1203,7 @@ decrypt_pki_encrypted_session_key(struct
 	}
 out:
 	kfree(msg);
+	kfree(payload);
 	return rc;
 }
 


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