diff options
Diffstat (limited to 'main/openssl/crypto/asn1/x_pubkey.c')
| -rw-r--r-- | main/openssl/crypto/asn1/x_pubkey.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/main/openssl/crypto/asn1/x_pubkey.c b/main/openssl/crypto/asn1/x_pubkey.c index d42b6a2c..b649e1fc 100644 --- a/main/openssl/crypto/asn1/x_pubkey.c +++ b/main/openssl/crypto/asn1/x_pubkey.c @@ -171,7 +171,19 @@ EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key) goto error; } - key->pkey = ret; + /* Check to see if another thread set key->pkey first */ + CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY); + if (key->pkey) + { + CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY); + EVP_PKEY_free(ret); + ret = key->pkey; + } + else + { + key->pkey = ret; + CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY); + } CRYPTO_add(&ret->references, 1, CRYPTO_LOCK_EVP_PKEY); return ret; |