From 8f8555dfdfeee643795ba04cd4240db40a88711e Mon Sep 17 00:00:00 2001
From: van Hauser <vh@thc.org>
Date: Mon, 10 Aug 2020 12:05:30 +0200
Subject: fix segfault

---
 src/afl-fuzz-one.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/afl-fuzz-one.c b/src/afl-fuzz-one.c
index beb73246..c664f281 100644
--- a/src/afl-fuzz-one.c
+++ b/src/afl-fuzz-one.c
@@ -2295,6 +2295,7 @@ havoc_stage:
           }
 
           copy_to = rand_below(afl, temp_len - copy_len + 1);
+          if (unlikely(copy_to > temp_len)) copy_to = rand_below(afl, temp_len);
 
           if (rand_below(afl, 4)) {
 
-- 
cgit 1.4.1