From 238704592a82654f96906aec0ad6e334380e5bf5 Mon Sep 17 00:00:00 2001
From: "MATSUMOTO, Ryosuke" <matsumoto_r@net.ist.i.kyoto-u.ac.jp>
Date: Mon, 19 Oct 2015 19:24:39 +0900
Subject: Fix buffer overflow of `pos` when file-size is too big

---
 src/io.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/io.c b/src/io.c
index 1d2f98f3c..d9adb2864 100644
--- a/src/io.c
+++ b/src/io.c
@@ -525,8 +525,7 @@ mrb_value
 mrb_io_sysseek(mrb_state *mrb, mrb_value io)
 {
   struct mrb_io *fptr;
-  int pos;
-  mrb_int offset, whence = -1;
+  mrb_int pos, offset, whence = -1;
 
   mrb_get_args(mrb, "i|i", &offset, &whence);
   if (whence < 0) {
-- 
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