diff options
| author | Sylvain Munaut <tnt@246tNt.com> | 2012-08-02 09:12:59 -0700 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2012-08-02 09:19:20 -0700 |
| commit | f0666b1ac875ff32fe290219b150ec62eebbe10e (patch) | |
| tree | 9f38d4c5ac83b77812692ccd2db6a880bf63cf9d /net | |
| parent | 5ef50c3bec20060bc114f62d6503c5d86d70bdd7 (diff) | |
| download | lwn-f0666b1ac875ff32fe290219b150ec62eebbe10e.tar.gz lwn-f0666b1ac875ff32fe290219b150ec62eebbe10e.zip | |
libceph: fix crypto key null deref, memory leak
Avoid crashing if the crypto key payload was NULL, as when it was not correctly
allocated and initialized. Also, avoid leaking it.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ceph/crypto.c | 1 | ||||
| -rw-r--r-- | net/ceph/crypto.h | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c index b780cb7947dd..9da7fdd3cd8a 100644 --- a/net/ceph/crypto.c +++ b/net/ceph/crypto.c @@ -466,6 +466,7 @@ void ceph_key_destroy(struct key *key) { struct ceph_crypto_key *ckey = key->payload.data; ceph_crypto_key_destroy(ckey); + kfree(ckey); } struct key_type key_type_ceph = { diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h index 1919d1550d75..3572dc518bc9 100644 --- a/net/ceph/crypto.h +++ b/net/ceph/crypto.h @@ -16,7 +16,8 @@ struct ceph_crypto_key { static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key) { - kfree(key->key); + if (key) + kfree(key->key); } extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst, |