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Message-Id: <1383876946-2396-56-git-send-email-kamal@canonical.com>
Date: Thu, 7 Nov 2013 18:15:10 -0800
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: "Geyslan G. Bem" <geyslan@...il.com>,
Tyler Hicks <tyhicks@...onical.com>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.8 55/91] ecryptfs: Fix memory leakage in keystore.c
3.8.13.13 -stable review patch. If anyone has any objections, please let me know.
------------------
From: "Geyslan G. Bem" <geyslan@...il.com>
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@...il.com>
Signed-off-by: Tyler Hicks <tyhicks@...onical.com>
[ kamal: backport to 3.8 (context) ]
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
fs/ecryptfs/keystore.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index 2333203..a26bb46 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -1149,8 +1149,8 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok,
struct ecryptfs_msg_ctx *msg_ctx;
struct ecryptfs_message *msg = NULL;
char *auth_tok_sig;
- char *payload;
- size_t payload_len;
+ char *payload = NULL;
+ size_t payload_len = 0;
int rc;
rc = ecryptfs_get_auth_tok_sig(&auth_tok_sig, auth_tok);
@@ -1202,8 +1202,8 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok,
crypt_stat->key_size);
}
out:
- if (msg)
- kfree(msg);
+ kfree(msg);
+ kfree(payload);
return rc;
}
--
1.8.1.2
--
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