From 299e23019752861310828b5382c2da4827364461 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 14 Mar 2009 09:05:09 +0000
Subject: * proc.c (rb_proc_call): checks overflow.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@22954 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 proc.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'proc.c')

diff --git a/proc.c b/proc.c
index a70b29294..e20e1d902 100644
--- a/proc.c
+++ b/proc.c
@@ -529,10 +529,17 @@ proc_call(int argc, VALUE *argv, VALUE procval)
 VALUE
 rb_proc_call(VALUE self, VALUE args)
 {
+    long argc = RARRAY_LEN(args);
     rb_proc_t *proc;
     GetProcPtr(self, proc);
+#if SIZEOF_LONG > SIZEOF_INT
+    if (argc > INT_MAX || argc < 0) {
+	rb_raise(rb_eArgError, "too many arguments (%lu)",
+		 (unsigned long)argc);
+    }
+#endif
     return rb_vm_invoke_proc(GET_THREAD(), proc, proc->block.self,
-			     RARRAY_LEN(args), RARRAY_PTR(args), 0);
+			     (int)argc, RARRAY_PTR(args), 0);
 }
 
 VALUE
-- 
cgit