io.c: buffer must be modifiable

* io.c (io_setstrbuf): always check if the buffer is modifiable.
  [ruby-core:62643] [Bug #9847]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 91d14526a1..1845e5abc2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun May 18 08:22:25 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (io_setstrbuf): always check if the buffer is modifiable.
+	  [ruby-core:62643] [Bug #9847]
+
 Sun May 18 01:21:23 2014  Tanaka Akira  <akr@fsij.org>
 
 	* include/ruby/ruby.h: Hide Rational internal.