diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-06-17 23:52:48 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-06-17 23:52:48 +0000 |
| commit | ed4aed86fbfdc8133148c6ffa2e03312a601a3cd (patch) | |
| tree | e9e5429892ff1dfe7a135b3d22dceca163f65f7c /ext | |
| parent | 34eb16651e2809bec19523b989aafb987022aac8 (diff) | |
stringio.c: fix index overflow
* ext/stringio/stringio.c (strio_getline): fix pointer index
overflow. reported by Guido Vranken <guido AT guidovranken.nl>.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/stringio/stringio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c index 4fdc4df51e..f35c702d0a 100644 --- a/ext/stringio/stringio.c +++ b/ext/stringio/stringio.c @@ -1021,7 +1021,7 @@ strio_getline(int argc, VALUE *argv, struct StringIO *ptr) s = RSTRING_PTR(ptr->string); e = s + RSTRING_LEN(ptr->string); s += ptr->pos; - if (limit > 0 && s + limit < e) { + if (limit > 0 && (size_t)limit < (size_t)(e - s)) { e = rb_enc_right_char_head(s, s + limit, e, get_enc(ptr)); } if (NIL_P(str)) { |