merge revision(s) 64071: [Backport #14941]

	ruby.c: taint ARGV on Windows

	* ruby.c (external_str_new_cstr): strings come from the external
	  should be tainted.  [ruby-dev:50596] [Bug #14941]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@64616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/ruby.c b/ruby.c
index 452d0a0e3c..e3271f99c2 100644
--- a/ruby.c
+++ b/ruby.c
@@ -2112,7 +2112,9 @@ external_str_new_cstr(const char *p)
 {
 #if UTF8_PATH
     VALUE str = rb_utf8_str_new_cstr(p);
-    return str_conv_enc(str, NULL, rb_default_external_encoding());
+    str = str_conv_enc(str, NULL, rb_default_external_encoding());
+    OBJ_TAINT_RAW(str);
+    return str;
 #else
     return rb_external_str_new_cstr(p);
 #endif