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ecryptfs: Fix memory leakage in keystore.c

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commit 3edc8376c0 upstream.

In 'decrypt_pki_encrypted_session_key' function:

Initializes 'payload' pointer and releases it on exit.

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Rui Xiang <rui.xiang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geyslan G. Bem 2013-10-11 16:49:16 -03:00 committed by Greg Kroah-Hartman
parent 47532a2912
commit 2e4191b310
1 changed files with 2 additions and 1 deletions
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3
fs/ecryptfs/keystore.c
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@ -1149,7 +1149,7 @@ 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;
char *payload = NULL;
size_t payload_len;
int rc;
@ -1204,6 +1204,7 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok,
out:
if (msg)
kfree(msg);
kfree(payload);
return rc;
}