PROV: Fix RSA-OAEP memory leak

The OAEP label wasn't freed when the operation context was freed.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11927)

diff --git a/providers/implementations/asymciphers/rsa_enc.c b/providers/implementations/asymciphers/rsa_enc.c
index 405842e69e4a79093936408fad7b7e8163e6da78..1f9ded4a651bdd31b17e0ee5dfb938ed2c4bf046 100644 (file)
--- a/providers/implementations/asymciphers/rsa_enc.c
+++ b/providers/implementations/asymciphers/rsa_enc.c
@@ -257,6 +257,7 @@ static void rsa_freectx(void *vprsactx)
 
     EVP_MD_free(prsactx->oaep_md);
     EVP_MD_free(prsactx->mgf1_md);
+    OPENSSL_free(prsactx->oaep_label);
 
     OPENSSL_free(prsactx);
 }