From 6e1c0df1048de9c95e757a35dd924917ea2bc481 Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Sun, 22 Jan 2012 12:01:12 -0800
Subject: [PATCH] gob: reduce the maximum message size It was 2^31, but that
 could cause overflow and trouble. Reduce it to 2^30 and add a TODO.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/5562049
---
 src/pkg/encoding/gob/decoder.go        | 4 +++-
 src/pkg/encoding/gob/gobencdec_test.go | 1 -
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/pkg/encoding/gob/decoder.go b/src/pkg/encoding/gob/decoder.go
index 5e684d3ee7e..fb28c8caf53 100644
--- a/src/pkg/encoding/gob/decoder.go
+++ b/src/pkg/encoding/gob/decoder.go
@@ -75,7 +75,9 @@ func (dec *Decoder) recvMessage() bool {
 		dec.err = err
 		return false
 	}
-	if nbytes >= 1<<31 {
+	// Upper limit of 1GB, allowing room to grow a little without overflow.
+	// TODO: We might want more control over this limit.
+	if nbytes >= 1<<30 {
 		dec.err = errBadCount
 		return false
 	}
diff --git a/src/pkg/encoding/gob/gobencdec_test.go b/src/pkg/encoding/gob/gobencdec_test.go
index b8dfeeb5156..83644c0331b 100644
--- a/src/pkg/encoding/gob/gobencdec_test.go
+++ b/src/pkg/encoding/gob/gobencdec_test.go
@@ -547,7 +547,6 @@ func (a isZeroBugArray) GobEncode() (b []byte, e error) {
 }
 
 func (a *isZeroBugArray) GobDecode(data []byte) error {
-	println("DECODE")
 	if len(data) != len(a) {
 		return io.EOF
 	}