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Subject[PATCH 1/2] eCryptfs: ecryptfs_keyring_auth_tok_for_sig() bug fix
Date
The pointer '(*auth_tok_key)' must be set to NULL if the requested key
cannot be retrieved in order to prevent the use by calling functions.

Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
---
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 c1436cf..4feb78c 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -1563,6 +1563,7 @@ 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);
--
1.7.3.4
[unhandled content-type:application/x-pkcs7-signature]
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