From f30ca1476c2d4d08d46fe9657ad4aa1d828eb578 Mon Sep 17 00:00:00 2001
From: van Hauser <vh@thc.org>
Date: Wed, 5 Aug 2020 11:17:15 +0200
Subject: fix short write

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

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

diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c
index 71874283..f35df914 100644
--- a/src/afl-fuzz-queue.c
+++ b/src/afl-fuzz-queue.c
@@ -112,8 +112,10 @@ static u8 check_if_text(struct queue_entry *q) {
   u8  buf[MAX_FILE];
   s32 fd, len = q->len, offset = 0, ascii = 0, utf8 = 0, comp;
 
+  if (len >= MAX_FILE) len = MAX_FILE - 1;
   if ((fd = open(q->fname, O_RDONLY)) < 0) return 0;
   if ((comp = read(fd, buf, len)) != len) return 0;
+  buf[len] = 0;
   close(fd);
 
   while (offset < len) {
-- 
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