From 7b033367c2f49b47d0a5021a9ad9a82b514429de Mon Sep 17 00:00:00 2001
From: vanhauser-thc <vh@thc.org>
Date: Mon, 17 May 2021 11:02:28 +0200
Subject: [PATCH] restrict afl-showmap in_file size

---
 src/afl-showmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/afl-showmap.c b/src/afl-showmap.c
index 946b19cd..5994101e 100644
--- a/src/afl-showmap.c
+++ b/src/afl-showmap.c
@@ -386,7 +386,7 @@ static u32 read_file(u8 *in_file) {
 
   }
 
-  in_len = st.st_size;
+  in_len = st.st_size > MAX_FILE ? MAX_FILE : st.st_size;
   in_data = ck_alloc_nozero(in_len);
 
   ck_read(fd, in_data, in_len, in_file);