From a3fffac90cb96736395aa9764f4cc5aa20e6cd71 Mon Sep 17 00:00:00 2001
From: vanhauser-thc <vh@thc.org>
Date: Mon, 17 May 2021 13:11:16 +0200
Subject: add warning for afl-showmap partial read

---
 src/afl-showmap.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/afl-showmap.c b/src/afl-showmap.c
index 5994101e..41a62108 100644
--- a/src/afl-showmap.c
+++ b/src/afl-showmap.c
@@ -386,7 +386,18 @@ static u32 read_file(u8 *in_file) {
 
   }
 
-  in_len = st.st_size > MAX_FILE ? MAX_FILE : st.st_size;
+  if (st.st_size > MAX_FILE) {
+
+    WARNF("Input file '%s' is too large, only reading %u bytes.", in_file,
+          MAX_FILE);
+    in_len = MAX_FILE;
+
+  } else {
+
+    in_len = st.st_size;
+
+  }
+
   in_data = ck_alloc_nozero(in_len);
 
   ck_read(fd, in_data, in_len, in_file);
-- 
cgit 1.4.1