Add checks on CRYPTO_new_ex_data return value Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/996)

diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index 94c97da..6ddc19f 100644
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c

@@ -93,7 +93,8 @@
     bio->references = 1;
     bio->num_read = 0L;
     bio->num_write = 0L;
-    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
+    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data))
+        return 0;
 
     bio->lock = CRYPTO_THREAD_lock_new();
     if (bio->lock == NULL) {

diff --git a/crypto/engine/eng_lib.c b/crypto/engine/eng_lib.c
index d0bc716..5bcd24b 100644
--- a/crypto/engine/eng_lib.c
+++ b/crypto/engine/eng_lib.c

@@ -83,7 +83,10 @@
     }
     ret->struct_ref = 1;
     engine_ref_debug(ret, 0, 1);
-    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ENGINE, ret, &ret->ex_data);
+    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ENGINE, ret, &ret->ex_data)) {
+        OPENSSL_free(ret);
+        return NULL;
+    }
     return ret;
 }
 

diff --git a/crypto/ui/ui_lib.c b/crypto/ui/ui_lib.c
index 7b08107..cc5b5f1 100644
--- a/crypto/ui/ui_lib.c
+++ b/crypto/ui/ui_lib.c

@@ -92,7 +92,10 @@
     else
         ret->meth = method;
 
-    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data);
+    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_UI, ret, &ret->ex_data)) {
+        OPENSSL_free(ret);
+        return NULL;
+    }
     return ret;
 }
 

diff --git a/crypto/x509/x_x509.c b/crypto/x509/x_x509.c
index 22a7e59..11e758b 100644
--- a/crypto/x509/x_x509.c
+++ b/crypto/x509/x_x509.c

@@ -99,7 +99,8 @@
 #endif
         ret->aux = NULL;
         ret->crldp = NULL;
-        CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+        if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data))
+            return 0;
         break;
 
     case ASN1_OP_FREE_POST:

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 81c4b67..e00c119 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c

@@ -751,7 +751,8 @@
     if (!SSL_clear(s))
         goto err;
 
-    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
+    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data))
+        goto err;
 
 #ifndef OPENSSL_NO_PSK
     s->psk_client_callback = ctx->psk_client_callback;
@@ -2441,7 +2442,8 @@
     if ((ret->client_CA = sk_X509_NAME_new_null()) == NULL)
         goto err;
 
-    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
+    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data))
+        goto err;
 
     /* No compression for DTLS */
     if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS))

diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c
index d5b7fe3..3b9a9f7 100644
--- a/ssl/ssl_sess.c
+++ b/ssl/ssl_sess.c

@@ -198,8 +198,11 @@
         return NULL;
     }
 
-    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
-
+    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data)) {
+        CRYPTO_THREAD_lock_free(ss->lock);
+        OPENSSL_free(ss);
+        return NULL;
+    }
     return ss;
 }