From 44ba654a299c0548b9c43f0bda33c1194734b85e Mon Sep 17 00:00:00 2001 From: Roberto Sassu Date: Thu, 17 Mar 2011 12:48:50 +0100 Subject: 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 Signed-off-by: Tyler Hicks Signed-off-by: Greg Kroah-Hartman --- fs/ecryptfs/keystore.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs') diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index a0a7847567e9..aa2480a33638 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); -- cgit v1.2.3