X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=fuzz%2Fbignum.c;h=d7c3716aacb43b80e09a6e3e736383609c356ca1;hb=15dfa092d0e0bb9835942d1e3251e32b2f030d54;hp=9e110f65ef4d98265cb736037cd0fe1b6d6795bb;hpb=f3e911d5ed16db6a129306675e20e51d1ee81e1a;p=openssl.git

diff --git a/fuzz/bignum.c b/fuzz/bignum.c
index 9e110f65ef..d7c3716aac 100644
--- a/fuzz/bignum.c
+++ b/fuzz/bignum.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL licenses, (the "License");
+ * Licensed under the Apache License 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  * https://www.openssl.org/source/license.html
@@ -15,33 +15,37 @@
 
 #include <stdio.h>
 #include <openssl/bn.h>
+#include <openssl/err.h>
 #include "fuzzer.h"
 
+
 int FuzzerInitialize(int *argc, char ***argv)
 {
+    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+    ERR_clear_error();
+
     return 1;
 }
 
 int FuzzerTestOneInput(const uint8_t *buf, size_t len)
 {
-    static BN_CTX *ctx;
-    static BIGNUM *b1;
-    static BIGNUM *b2;
-    static BIGNUM *b3;
-    static BIGNUM *b4;
-    static BIGNUM *b5;
     int success = 0;
     size_t l1 = 0, l2 = 0, l3 = 0;
-    int s1 = 0, s2 = 0, s3 = 0;
+    int s1 = 0, s3 = 0;
+    BN_CTX *ctx;
+    BIGNUM *b1;
+    BIGNUM *b2;
+    BIGNUM *b3;
+    BIGNUM *b4;
+    BIGNUM *b5;
+
+    b1 = BN_new();
+    b2 = BN_new();
+    b3 = BN_new();
+    b4 = BN_new();
+    b5 = BN_new();
+    ctx = BN_CTX_new();
 
-    if (ctx == NULL) {
-        b1 = BN_new();
-        b2 = BN_new();
-        b3 = BN_new();
-        b4 = BN_new();
-        b5 = BN_new();
-        ctx = BN_CTX_new();
-    }
     /* Divide the input into three parts, using the values of the first two
      * bytes to choose lengths, which generate b1, b2 and b3. Use three bits
      * of the third byte to choose signs for the three numbers.
@@ -55,14 +59,12 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
         l3 = len - l1 - l2;
 
         s1 = buf[0] & 1;
-        s2 = buf[0] & 2;
         s3 = buf[0] & 4;
         ++buf;
     }
     OPENSSL_assert(BN_bin2bn(buf, l1, b1) == b1);
     BN_set_negative(b1, s1);
     OPENSSL_assert(BN_bin2bn(buf + l1, l2, b2) == b2);
-    BN_set_negative(b2, s2);
     OPENSSL_assert(BN_bin2bn(buf + l1 + l2, l3, b3) == b3);
     BN_set_negative(b3, s3);
 
@@ -91,6 +93,17 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
 
  done:
     OPENSSL_assert(success);
+    BN_free(b1);
+    BN_free(b2);
+    BN_free(b3);
+    BN_free(b4);
+    BN_free(b5);
+    BN_CTX_free(ctx);
+    ERR_clear_error();
 
     return 0;
 }
+
+void FuzzerCleanup(void)
+{
+}