From 8e809d8593d9230c123aa22c8cd0b695e54d7c68 Mon Sep 17 00:00:00 2001
From: Dominik Maier <d.maier@avm.de>
Date: Thu, 30 Jul 2020 17:51:32 +0200
Subject: added NULL check

---
 src/afl-fuzz-redqueen.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/afl-fuzz-redqueen.c')

diff --git a/src/afl-fuzz-redqueen.c b/src/afl-fuzz-redqueen.c
index a2e8f992..d86190a6 100644
--- a/src/afl-fuzz-redqueen.c
+++ b/src/afl-fuzz-redqueen.c
@@ -319,6 +319,8 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h,
                               u8 *orig_buf, u8 *buf, u32 len, u8 do_reverse,
                               u8 *status) {
 
+  if (!buf) { FATAL("BUG: buf was NULL. Please report this.\n"); }
+
   u64 *buf_64 = (u64 *)&buf[idx];
   u32 *buf_32 = (u32 *)&buf[idx];
   u16 *buf_16 = (u16 *)&buf[idx];
-- 
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