1 files changed, 3 insertions, 0 deletions

diff --git a/src/lib/libcrypto/mem.c b/src/lib/libcrypto/mem.c
index effec714e8..a7826908e6 100644
--- a/src/lib/libcrypto/mem.c
+++ b/src/lib/libcrypto/mem.c
@@ -303,6 +303,9 @@ void *CRYPTO_realloc(void *str, int num, const char *file, int line)
         {
         void *ret = NULL;
 
+        if (str == NULL)
+                return CRYPTO_malloc(num, file, line);
+
         if (realloc_debug_func != NULL)
                 realloc_debug_func(str, NULL, num, file, line, 0);
         ret = realloc_ex_func(str,num,file,line);