diff -up openssl-1.1.1b/crypto/conf/conf_lib.c.regression openssl-1.1.1b/crypto/conf/conf_lib.c
--- openssl-1.1.1b/crypto/conf/conf_lib.c.regression	2019-02-26 15:15:30.000000000 +0100
+++ openssl-1.1.1b/crypto/conf/conf_lib.c	2019-05-10 14:28:57.718049429 +0200
@@ -356,8 +356,10 @@ OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(
 {
     OPENSSL_INIT_SETTINGS *ret = malloc(sizeof(*ret));
 
-    if (ret != NULL)
-        memset(ret, 0, sizeof(*ret));
+    if (ret == NULL)
+        return NULL;
+
+    memset(ret, 0, sizeof(*ret));
     ret->flags = DEFAULT_CONF_MFLAGS;
 
     return ret;
diff -up openssl-1.1.1b/crypto/evp/evp_enc.c.regression openssl-1.1.1b/crypto/evp/evp_enc.c
--- openssl-1.1.1b/crypto/evp/evp_enc.c.regression	2019-05-07 11:52:35.982596242 +0200
+++ openssl-1.1.1b/crypto/evp/evp_enc.c	2019-05-10 14:30:42.269243383 +0200
@@ -338,7 +338,7 @@ static int evp_EncryptDecryptUpdate(EVP_
 
     bl = ctx->cipher->block_size;
 
-    if (inl <= 0) {
+    if (in == NULL && inl <= 0) {
         *outl = 0;
         return inl == 0;
     }
@@ -491,7 +491,7 @@ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ct
     if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS))
         cmpl = (cmpl + 7) / 8;
 
-    if (inl <= 0) {
+    if (in == NULL && inl <= 0) {
         *outl = 0;
         return inl == 0;
     }