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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-07 09:07:57 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-07 09:07:57 +0000 |
commit | f4d13801b620f55e886f3108f6f37ef386c4669d (patch) | |
tree | dee4fcfa5cf85dd9e9bd462a0569118fc114bf67 | |
parent | d19d629eaa8baa50208a4ef872a5133f5d5b6ece (diff) | |
download | ruby-f4d13801b620f55e886f3108f6f37ef386c4669d.tar.gz |
string.c: fix integer overflow
* string.c (str_byte_substr): fix another integer overflow which
can happen only when SHARABLE_MIDDLE_SUBSTRING is enabled.
[ruby-core:79951] [Bug #13289]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57799 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | string.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -5254,7 +5254,7 @@ str_byte_substr(VALUE str, long beg, long len, int empty) beg += n; if (beg < 0) return Qnil; } - if (beg + len > n) + if (len > n - beg) len = n - beg; if (len <= 0) { if (!empty) return Qnil; |