From 3d07f0ab791565feb904f5897b22ef924fc06a48 Mon Sep 17 00:00:00 2001
From: Eli Kobrin <kobrineli@star.intra.ispras.ru>
Date: Thu, 17 Nov 2022 14:14:11 +0300
Subject: Handle empty input.

---
 utils/argv_fuzzing/argv-fuzz-inl.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'utils/argv_fuzzing/argv-fuzz-inl.h')

diff --git a/utils/argv_fuzzing/argv-fuzz-inl.h b/utils/argv_fuzzing/argv-fuzz-inl.h
index 68a0c93d..2ec433e1 100644
--- a/utils/argv_fuzzing/argv-fuzz-inl.h
+++ b/utils/argv_fuzzing/argv-fuzz-inl.h
@@ -65,7 +65,10 @@ static char **afl_init_argv(int *argc) {
   int   rc = 0;
 
   ssize_t num = 0;
-  if ((num = read(0, in_buf, MAX_CMDLINE_LEN - 2)) < 0) {}
+  if ((num = read(0, in_buf, MAX_CMDLINE_LEN - 2)) <= 0) {
+      *argc = 0;
+      return ret;
+  }
   if (in_buf[num - 1] == '\n') {
       in_buf[num - 1] = 0;
   }
-- 
cgit 1.4.1