From 68f4237c21bad35efb2b51c816a1d6c2f44ad45e Mon Sep 17 00:00:00 2001
From: Kurt Roeckx <kurt@roeckx.be>
Date: Thu, 5 Jan 2017 19:59:14 +0100
Subject: [PATCH] Make rand_add predictable when fuzzing

Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #2182
---
 crypto/rand/md_rand.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/crypto/rand/md_rand.c b/crypto/rand/md_rand.c
index 88820bbb91..78da14a8e6 100644
--- a/crypto/rand/md_rand.c
+++ b/crypto/rand/md_rand.c
@@ -126,6 +126,11 @@ static int rand_add(const void *buf, int num, double add)
     if (!num)
         return 1;
 
+#ifdef PREDICT
+    if (rand_predictable)
+        return 1;
+#endif
+
     /*
      * (Based on the rand(3) manpage)
      *
-- 
2.39.2