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authorIlya Dryomov <idryomov@gmail.com>2017-05-19 14:24:36 +0200
committerIlya Dryomov <idryomov@gmail.com>2017-05-23 20:32:28 +0200
commitb51456a6096ebf9f4ceb2cc7e176b471d4b70af0 (patch)
tree5f955c4b414044d4cfc1fc6a553e6844049f052b /net/ceph
parentd18a1247c4070390fc0c2d83d89a72afe921882e (diff)
downloadlinux-b51456a6096ebf9f4ceb2cc7e176b471d4b70af0.tar.bz2
libceph: fix error handling in process_one_ticket()
Don't leak key internals after new_session_key is populated. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/auth_x.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index d0126df33f1f..8757fb87dab8 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -151,7 +151,7 @@ static int process_one_ticket(struct ceph_auth_client *ac,
struct timespec validity;
void *tp, *tpend;
void **ptp;
- struct ceph_crypto_key new_session_key;
+ struct ceph_crypto_key new_session_key = { 0 };
struct ceph_buffer *new_ticket_blob;
unsigned long new_expires, new_renew_after;
u64 new_secret_id;
@@ -237,13 +237,13 @@ static int process_one_ticket(struct ceph_auth_client *ac,
type, ceph_entity_type_name(type), th->secret_id,
(int)th->ticket_blob->vec.iov_len);
xi->have_keys |= th->service;
-
-out:
- return ret;
+ return 0;
bad:
ret = -EINVAL;
- goto out;
+out:
+ ceph_crypto_key_destroy(&new_session_key);
+ return ret;
}
static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,