From a0a2640b398cffd351f87d3f6243103add66575b Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 12 Dec 2018 14:38:09 +0900
Subject: Fix for wrong fnmatch patttern

* dir.c (file_s_fnmatch): ensure that pattern does not contain a
  NUL character.  https://hackerone.com/reports/449617
---
 dir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'dir.c')

diff --git a/dir.c b/dir.c
index 6d1f501927..d20cf60a7f 100644
--- a/dir.c
+++ b/dir.c
@@ -3211,7 +3211,7 @@ file_s_fnmatch(int argc, VALUE *argv, VALUE obj)
     else
 	flags = 0;
 
-    StringValue(pattern);
+    StringValueCStr(pattern);
     FilePathStringValue(path);
 
     if (flags & FNM_EXTGLOB) {
-- 
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