Add value_barriers in constant time select functions

[openssl.git] / fuzz / bndiv.c

diff --git a/fuzz/bndiv.c b/fuzz/bndiv.c
index dd6d9cfafe64adc7cccbccce0c5fb969a657b3c1..70636d4fee596718be013fb24f115ea471079494 100644 (file)
--- a/fuzz/bndiv.c
+++ b/fuzz/bndiv.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
@@ -15,8 +15,12 @@
 
 #include <stdio.h>
 #include <openssl/bn.h>
+#include <openssl/err.h>
 #include "fuzzer.h"
 
+/* 256 kB */
+#define MAX_LEN (256 * 1000)
+
 static BN_CTX *ctx;
 static BIGNUM *b1;
 static BIGNUM *b2;
@@ -33,6 +37,9 @@ int FuzzerInitialize(int *argc, char ***argv)
     b5 = BN_new();
     ctx = BN_CTX_new();
 
+    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+    ERR_get_state();
+
     return 1;
 }
 
@@ -43,6 +50,10 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
     /* s1 and s2 will be the signs for b1 and b2. */
     int s1 = 0, s2 = 0;
 
+    /* limit the size of the input to avoid timeout */
+    if (len > MAX_LEN)
+        len = MAX_LEN;
+
     /* We are going to split the buffer in two, sizes l1 and l2, giving b1 and
      * b2.
      */
@@ -104,6 +115,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
 
  done:
     OPENSSL_assert(success);
+    ERR_clear_error();
 
     return 0;
 }