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de-fuzz: fix overflow in shift

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jzmaddock
2017-02-21 11:04:26 +00:00
parent ac3838b622
commit b0a83dc8d9
1 changed files with 1 additions and 1 deletions
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include/boost/regex/v4/basic_regex_creator.hpp
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@ -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);