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| author | Roberto Sassu <roberto.sassu@polito.it> | 2011-03-17 12:48:50 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-14 16:53:21 -0700 |
| commit | a82a276bdb44a3b48e8f2b8dce457073c5f63123 (patch) | |
| tree | 1d318bd46ad9ff8db78576b4c3edcdb54cf2ce29 /fs | |
| parent | b6ec40927010e25d9fc5e432d4ca963f9e1fb31a (diff) | |
eCryptfs: ecryptfs_keyring_auth_tok_for_sig() bug fix
commit 1821df040ac3cd6a57518739f345da6d50ea9d3f upstream.
The pointer '(*auth_tok_key)' is set to NULL in case request_key()
fails, in order to prevent its use by functions calling
ecryptfs_keyring_auth_tok_for_sig().
Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ecryptfs/keystore.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index a0a7847567e..aa2480a3363 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -1542,6 +1542,7 @@ int ecryptfs_keyring_auth_tok_for_sig(struct key **auth_tok_key, printk(KERN_ERR "Could not find key with description: [%s]\n", sig); rc = process_request_key_err(PTR_ERR(*auth_tok_key)); + (*auth_tok_key) = NULL; goto out; } (*auth_tok) = ecryptfs_get_key_payload_data(*auth_tok_key); |