* marshal.c (r_bytes0): check if source has enough data.

  [ruby-dev:32054]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13700 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/marshal.c b/marshal.c
index 626a2d0783..fc6bff31c9 100644
--- a/marshal.c
+++ b/marshal.c
@@ -929,7 +929,7 @@ r_bytes0(long len, struct load_arg *arg)
 
     if (len == 0) return rb_str_new(0, 0);
     if (TYPE(arg->src) == T_STRING) {
-	if (RSTRING_LEN(arg->src) > arg->offset) {
+	if (RSTRING_LEN(arg->src) > arg->offset + len) {
 	    str = rb_str_new(RSTRING_PTR(arg->src)+arg->offset, len);
 	    arg->offset += len;
 	}