From b0a83dc8d9a89f652fa11d4edc2178451e808ee5 Mon Sep 17 00:00:00 2001
From: jzmaddock <jz.maddock@gmail.com>
Date: Tue, 21 Feb 2017 11:04:26 +0000
Subject: [PATCH] de-fuzz: fix overflow in shift

---
 include/boost/regex/v4/basic_regex_creator.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/regex/v4/basic_regex_creator.hpp b/include/boost/regex/v4/basic_regex_creator.hpp
index 45539efd..7ee47b3f 100644
--- a/include/boost/regex/v4/basic_regex_creator.hpp
+++ b/include/boost/regex/v4/basic_regex_creator.hpp
@@ -1427,7 +1427,7 @@ bool basic_regex_creator<charT, traits>::is_bad_repeat(re_syntax_base* pt)
    case syntax_element_long_set_rep:
       {
          unsigned state_id = static_cast<re_repeat*>(pt)->state_id;
-         if(state_id > sizeof(m_bad_repeats) * CHAR_BIT)
+         if(state_id >= sizeof(m_bad_repeats) * CHAR_BIT)
             return true;  // run out of bits, assume we can't traverse this one.
          static const boost::uintmax_t one = 1uL;
          return m_bad_repeats & (one << state_id);